Create and/or change anything & everything Competitve edition! (Generation VI, ORAS)

Ultimate Champion · May 6, 2014

Name: Indignation
Type: Electric
Category: Special
Power: 130
PP: 5
Accuracy: 90%
Description: Calls forth divine lightning from the heavens to obliterate the foe.
Effect: Sharply lowers the user's Special Attack.
Target in Double Battle: May affect anyone but the user.
Contact move: No.
Learned by: Arceus

Blackjack the Titan · May 19, 2014

Move: Cement Cover
Move Type: Status/Non-Attacking
Type: Ground
Description: User covers self in silt and cement.
Competitive Description: Covering itself in cement, user sharply raises Defense and harshly lowers Speed.
Distribution: Magneton, Magnezone, Palpitoad, Seismitoad, Swampert, Golurk, Skrelp, Frogadier, Greninja

Move: Cement Rush
Move Type: Physical
Power: 100
Type: Ground
Description: User covers self in silt and cement and rushes at opponent. User loses all boosts.
Competitive Description: User rushes at opponent as it is covered in cement. Base Power is raised by any boost it has gets, but move compromises boosts and resets them. Stat lowering moves do not affect base power. Highest Base Power is 780.
Distribution: Seismitoad, Swampert, Ludicolo, Dragalge, Golurk, Greninja, Magnezone

These moves will have very good use with Pokemon like Seismitoad and Swampert, whilst maintaining a niche use with Golurk.
Seis and Swamp can utilize both moves successfully, or simply use the latter move for a well-rounded STAB move. The crux is that the former will function much like a non-attacking Hammer Arm for Swampert.
Ludicolo becomes dangerous with this move. Although it isn't STAB, it will obtain at least 150 Base Power after a Swords Dance boost.
Ludicolo doesn't get Cement Cover, so it remains frail, allowing it to still be countered by Talonflame, who isn't affected by the move and can retaliate with STAB Brave Bird.

Ultimate Champion · May 20, 2014

Name: Supernova
Type: Fire
Category: Special
Power: -
PP: 5
Accuracy: 100%
Description: Strikes the sun with a meteor summoned from outer space, initiating a devastating supernova that leaves all Pokémon except for the user on the brink of destruction.
Effect: This move works a bit like Future Sight and Doom Desire. On the turn Supernova is selected, the message "[user of Supernova] used Supernova! [user of Supernova] summoned a meteor towards the sun!" will be displayed. The battle will then continue as normal, and seven turns later, the message "[user of Supernova]'s meteor crashed into the sun!" will be displayed, with this message followed by both players seeing the list of his or her remaining Pokémon in his or her party appearing on his or her 3DS's screen, as well as every one of his or her own Pokémon (except for the user of Supernova, as well as any Pokémon that may have already fainted) losing 93.75% of their remaining health and ending up burned (unless they are immune to the burn status effect, or are already under a status effect, unless that status effect is freeze, in which case that Pokémon's "frozen" status will be replaced with "burned". If a Pokémon immune to burn is frozen when Supernova strikes, that Pokémon will simply cease to be frozen). With the exception of the user of Supernova itself, any Pokémon out on the field at the time when Supernova strikes also end up confused. After Supernova is completed, the "Sunny Day" weather condition will be in effect for the next five turns (eight turns if the user of Supernova is holding a Heat Rock). Also, after Supernova is selected once, it will fail if used again until the entire move is completed - in other words, after selecting the move "Supernova", selecting the move again at any point in the upcoming seven turns will result in the move failing.
Target in Double Battle: Affects all Pokémon on both teams except for the user, regardless of whether or not they are on the battlefield.
Contact move: No.
Learned by: Reshiram

dirkac · May 20, 2014

Toxic Fumes
Type: Poison
Category: Special
BP: 25
PP: 10
Accuracy: --
Effect: Deals double Damage to all opponent's Pokémon in their Pokéballs.
Sound: No.
Contact: No.
Learned by: Koffing, Weezing, Slugma, Magcargo, Gulpin, Swalot, Shellos, Gastrodon, Trubbish, Garbodor, Vanillite, Vanillish, Vanilluxe.

sheerioxo · May 21, 2014

Move: Sizzle Shield
Type: Fire
Category: Status
Power: --
PP: 10
Accuracy: --
Description: User is defended from attacks with a fiery shield.
Effect: When opponent uses a physical attack, they lose 1/10 of their max HP. Grass, Bug, and Ice types lose 1/8 of their max HP. The shield lasts for four to six turns, or a water type attack will put it out.
Learned by: Charmander, Charmeleon, Charizard, Entei, Magmar, Magmotar, Pansear, Simisear, Darumaka, Darmanitan, Volcarona, Delphox

Move: Doubled Power
Type: Normal
Category: Status
Power: --
PP: 15
Accuracy: --
Description: In double battles, the user helps its partner to attack both of the opposing Pokemon.
Effect: In double battles, if the user uses this move on its partner, its partner's attack will hit both of the opposing Pokemon. For example, if the user's Partner was using Razor Leaf on one of the Pokemon, Doubled Power would make it hit both. This move has +1 priority.
Learned by: Wigglytuff, Clefable, Eevee, Furret, Gardevoir, Ambipom, Audino, Reuniclus, Vivillon, Furfrou, Klefki

Ultimate Champion · May 21, 2014

Name: Ultimate Generator
Type: Electric
Category: Status
Power: -
PP: 10
Accuracy: -
Description: Calls forth power from the user's generator-like tail to increase the user's Attack, Special Attack and Speed.
Effect: Raises the user's Attack by one level, Special Attack by one level, and Speed by two levels.
Target in Double Battle: Affects the user.
Contact move: No.
Learned by: Zekrom

SirBlazikeen · May 21, 2014

This isn't something new but I would change the move Roost. When you use it, you lose your flying type for that turn. I does sort of make sense but it's annoying because I always forget :')

Onyx Tanuki · May 21, 2014

SirBlazikeen said:
This isn't something new but I would change the move Roost. When you use it, you lose your flying type for that turn. I does sort of make sense but it's annoying because I always forget :')

Um... you already do. Or did you mean losing Flying type before the move goes off?

Clone™ · May 21, 2014

Onyx Tanuki said:
Um... you already do. Or did you mean losing Flying type before the move goes off?

Hes complaining about losing the flying typing while using Roost. Hes not changing anything.

Onyx Tanuki · May 22, 2014

Cloneblazer12 said:
Hes complaining about losing the flying typing while using Roost. Hes not changing anything.

Oh, fair enough then. I don't entirely know why one would complain though; Roost can be used strategically to help a faster pokemon survive an Ice, Rock, or Electric type move if the need arises. And if the user is slower, then it's no different than Recover or Slack Off. The problem really only arises when the user's second type is Ground-weak and they mispredict the opponent's moves.

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Bedtime
Type: Dark
Category: Other
Power: ---
PP: 10
Accuracy: ---
- If the opponent switches pokemon this turn, this attack causes the opposing pokemon to fall asleep before the switch occurs. Otherwise, this attack has no effect. Pokemon with Natural Cure cannot cure the Sleep status when they switch out this turn.

Tight Embrace
Type: Fairy
Category: Physical
Power: 75
PP: 15
Accuracy: 90
- This attack has a 30% chance to inflict Charmed status to an opposing pokemon of the opposite gender. If the user is genderless, it instead has a 30% chance to inflict Charmed if the opposing pokemon is also genderless.

Dream Orb
Item
- At the end of each of the holder's turns, if it's unaffected by a status condition, it falls Asleep.

Charisma
Ability
- Gender does not affect this pokemon's ability to afflict the Charm status, and it has a 10% chance to afflict Charm with its contact attacks in addition to other secondary effects.

Waking Dream
Ability
- While this pokemon is Asleep, its Attack and Special Attack increase 1.5 times.

Wax Wings
Ability
- This pokemon takes double damage from Fire and Burned damage and 1/8 HP damage per turn in Sun, but also has 1.5 times Attack and Speed in Sun and when Burned. The Attack and Speed bonuses don't stack if the pokemon is both Burned and under Sunny weather.

Pokemon - Ichorus
Type: Poison/Flying
Evolves from: Grimer - Evolve any other pokemon with a Sun Stone with Grimer in party
Evolves into: ---
Description: Similar to Muk, Ichorus appears as a gooey glob of slime. However, where its arms would have been on Muk are instead great wings that keep it aloft, and below it is a pair of talons dripping with sludge.
HP: 105
Attack: 85
Defense: 105
SpAtt: 40
SpDef: 85
Speed: 90
Abilities: Stench, Dry Skin, Wax Wings
- This pokemon could be treated as a defensive variant of Crobat; its typing is excellent from a defensive standpoint, and it has great bulk on the physical side. This, alongside a solid offensive movepool (which would be further augmented with access to Roost, Steel Wing, Aerial Ace, and Fly) would make it excellent as either an Assault Vest user or Toxic staller. Wax Wings would also make it incredibly effective as a sweeper on a Sun team or as an alternate to Guts users, while Dry Skin would help it out in Rain teams to give it amazing self-healing, especially if it's carrying Roost, Rain Dance, and Leftovers.

Ultimate Champion · May 22, 2014

Name: Fusion Freeze
Type: Ice
Category: Status
Power: 100
PP: 5
Accuracy: 100%
Description: The user calls down a giant sphere of freezing energy. This attack produces a negative reaction when influenced by an enormous flame or thunderbolt.
Effect: The power of this move is halved if used immediately after Fusion Flare or Fusion Bolt is used. If Fusion Flare or Fusion Bolt is used immediately after this move, the power of such moves also become halved. This move has a 50% chance of being a physical attack and a 50% chance of being a special attack.
Target in Double Battle: May affect anyone but the user.
Contact move: No.
Learned by: Kyurem

SirBlazikeen · May 22, 2014

Onyx Tanuki said:
Oh, fair enough then. I don't entirely know why one would complain though; Roost can be used strategically to help a faster pokemon survive an Ice, Rock, or Electric type move if the need arises. And if the user is slower, then it's no different than Recover or Slack Off. The problem really only arises when the user's second type is Ground-weak and they mispredict the opponent's moves.

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Bedtime
Type: Dark
Category: Other
Power: ---
PP: 10
Accuracy: ---
- If the opponent switches pokemon this turn, this attack causes the opposing pokemon to fall asleep before the switch occurs. Otherwise, this attack has no effect. Pokemon with Natural Cure cannot cure the Sleep status when they switch out this turn.

Tight Embrace
Type: Fairy
Category: Physical
Power: 75
PP: 15
Accuracy: 90
- This attack has a 30% chance to inflict Charmed status to an opposing pokemon of the opposite gender. If the user is genderless, it instead has a 30% chance to inflict Charmed if the opposing pokemon is also genderless.

Dream Orb
Item
- At the end of each of the holder's turns, if it's unaffected by a status condition, it falls Asleep.

Charisma
Ability
- Gender does not affect this pokemon's ability to afflict the Charm status, and it has a 10% chance to afflict Charm with its contact attacks in addition to other secondary effects.

Waking Dream
Ability
- While this pokemon is Asleep, its Attack and Special Attack increase 1.5 times.

Wax Wings
Ability
- This pokemon takes double damage from Fire and Burned damage and 1/8 HP damage per turn in Sun, but also has 1.5 times Attack and Speed in Sun and when Burned. The Attack and Speed bonuses don't stack if the pokemon is both Burned and under Sunny weather.

Pokemon - Ichorus
Type: Poison/Flying
Evolves from: Grimer - Evolve any other pokemon with a Sun Stone with Grimer in party
Evolves into: ---
Description: Similar to Muk, Ichorus appears as a gooey glob of slime. However, where its arms would have been on Muk are instead great wings that keep it aloft, and below it is a pair of talons dripping with sludge.
HP: 105
Attack: 85
Defense: 105
SpAtt: 40
SpDef: 85
Speed: 90
Abilities: Stench, Dry Skin, Wax Wings
- This pokemon could be treated as a defensive variant of Crobat; its typing is excellent from a defensive standpoint, and it has great bulk on the physical side. This, alongside a solid offensive movepool (which would be further augmented with access to Roost, Steel Wing, Aerial Ace, and Fly) would make it excellent as either an Assault Vest user or Toxic staller. Wax Wings would also make it incredibly effective as a sweeper on a Sun team or as an alternate to Guts users, while Dry Skin would help it out in Rain teams to give it amazing self-healing, especially if it's carrying Roost, Rain Dance, and Leftovers.

I never really thought of it like that actually :')

Ultimate Champion · May 23, 2014

Name: Superconductivity
Type: Ice
Category: Physical
Power: 100
PP: 5
Accuracy: 100%
Description: Strikes the foe with an attack powered by immense, unresisted electrical energy within the user's low-temperature body. This move is Ice and Electric type simultaneously.
Effect: Despite being an Ice-type move, the damage dealt is actually a combination of Ice and Electric types, and thus its effectiveness against a given Pokémon differs from other Ice-type moves (but only Ice-type Pokémon can receive the Same Type Attack Bonus for Superconductivity).
Target in Double Battle: May affect anyone but the user.
Contact move: Yes.
Learned by: Kyurem-B (when a normal Kyurem that knows Fusion Freeze transforms into Kyurem-B, Fusion Freeze becomes this move)

bloocookies · May 25, 2014

Some Dual Type moves.

Fire Dart
Type: Poison
Category: Physical
Power: 90
PP: 10
Accuracy: 90
-The user unleashes a spray of needles from it's body that hit all the opponents on the field, this attack also does fire type damage.
Distribution:

Moss Ball
Type: Grass
Category: Special
Power: 20
PP: 10
Accuracy: 100
-The user throws a volley of moss covered rocks at the opponent for 2-5 turns, this attack also does rock type damage.
Distribution:

Chilly Gust
Type: Ice
Category: Special
Power: 70
PP: 10
Accuracy: 100
-The user lets out a chilly wind that hits the opposing Pokemon, this has a 25% to freeze the opponent and also does flying type damage.
Distribution:

Brain Freeze
Type: Psychic
Category: Special
Power: 75
PP: 10
Accuracy: 100
-The user chills the opponents mind that may cause it's special attack to lower, this attack also does ice type damage.
Distribution:

Dark Inferno
Type: Fire
Category: Special
Power: 100
PP: 5
Accuracy: 100
-The user ignites the foe with a flurry of dark flames, this attack also does dark type damage.
Distribution:

Ultimate Champion · May 26, 2014

Name: Freeze Flare
Type: Ice
Category: Special
Power: 100
PP: 5
Accuracy: 100%
Description:Breathes upon the foe a stream of strange, unnatural fire that is extremely cold rather than hot. May freeze the foe. This move is Ice and Fire type simultaneously.
Effect: Despite being an Ice-type move, the damage dealt is actually a combination of Ice and Fire types, and thus its effectiveness against a given Pokémon differs from other Ice-type moves (but only Ice-type Pokémon can receive the Same Type Attack Bonus for Freeze Flare).
Target in Double Battle: May affect anyone but the user.
Contact move: No.
Learned by: Kyurem-W (when a normal Kyurem that knows Fusion Freeze transforms into Kyurem-W, Fusion Freeze becomes this move)

simsims2800 · Jun 5, 2014

Kingler, Lapras, Torterra, Samurott, Clawitzer, and Blastoise get Shell Smash. Because it just makes sense.

Magmortar gets Mega Launcher, Aura Sphere, Dark Pulse, Dragon Pulse, and a Fire-type Aura Sphere clone called Heat Pulse. Because it just makes sense.

Onyx Tanuki · Jun 5, 2014

bloocookies said:
Some Dual Type moves.

Fire Dart
Type: Poison
Category: Physical
Power: 90
PP: 10
Accuracy: 90
-The user unleashes a spray of needles from it's body that hit all the opponents on the field, this attack also does fire type damage.
Distribution:

Moss Ball
Type: Grass
Category: Special
Power: 20
PP: 10
Accuracy: 100
-The user throws a volley of moss covered rocks at the opponent for 2-5 turns, this attack also does rock type damage.
Distribution:

Chilly Gust
Type: Ice
Category: Special
Power: 70
PP: 10
Accuracy: 100
-The user lets out a chilly wind that hits the opposing Pokemon, this has a 25% to freeze the opponent and also does flying type damage.
Distribution:

Brain Freeze
Type: Psychic
Category: Special
Power: 75
PP: 10
Accuracy: 100
-The user chills the opponents mind that may cause it's special attack to lower, this attack also does ice type damage.
Distribution:

Dark Inferno
Type: Fire
Category: Special
Power: 100
PP: 5
Accuracy: 100
-The user ignites the foe with a flurry of dark flames, this attack also does dark type damage.
Distribution:

I quite dg the idea of dual-type moves, the the distribution you gave to them mostly makes sense, although it could cause a few things to be slightly broken (for example, Chandelure with Dark Inferno would be a terror since it opens up its Ghost STAB for something else thanks to Ghost and Dark having such similar coverage). Also, the Freeze chance for Chilly Wind is horrific; while that might be fin for most other status ailments, Freeze is probably the worst thing to have afflicted on a pokemon, and I believe everything that can cause it has a 10% or less chance to do so. I'd really reduce that down to 10% personally if the current Freeze mechanics are considered.

Anyway, dual-type attacks could well change the game quite a lot, especially those with as much power as you've given some of these. At present the only dual-typed move, Flying Press, is such that no pokemon currently in the game is more that double-weak or double-resistant to it, but when you start going into more dual-type attacks you may start to get things that take as much as 16 times or as little as 1/16th damage (like, for example, a Rock/Ice type taking 16x damage from a Fighting/Steel attack, or a Poison/Flying type taking 1/16th damage from a Grass/Bug attack). That could make certain moves excellent to threaten specific pokemon out). Just for kicks, I'm gonna do a type chart to see just how effective these attacks would be...

Code:

          |Nor|Fir|Wat|Ele|Gra|Ice|Fig|Poi|Gro|Fly|Psy|Bug|Roc|Gho|Dra|Dar|Ste|Fai
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Fir   |   |1/2|1/2|   |4x |2x |   |1/2|1/2|   |   |2x |1/4|1/2|1/2|   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Roc   |   |   |2x |   |1/2|2x |1/2|1/2|   |   |   |   |2x |   |1/2|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Fly   |   |1/2|1/2|1/2|4x |1/2|2x |   |2x |2x |   |2x |1/2|   |2x |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Ice   |   |1/2|1/2|   |2x |1/2|2x |2x |2x |2x |1/2|   |   |   |2x |Nul|1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Dar   |   |1/2|1/2|   |2x |2x |1/2|   |   |   |2x |2x |1/2|2x |1/2|1/2|2x |1/2

So, for example, Fire Dart would deal 8 times damage against Grass/Ice and Grass/Bug types, since you're combining double-weakness from the Grass side with regular weakness from the Ice or Bug side. Since a large number of single types are weak to Chilly Gust and Grass is double-weak to it, that makes that particular move even more dangerous; it's going to deal 8x damage to Grass/Fighting, Grass/Poison, Grass/Ground, Grass/Bug, and Grass/Dragon, as well as 4x damage to pure Grass, Fighting/Ground, Fighting/Poison, Fighting/Bug, Fighting/Dragon, Poison/Ground, Poison/Bug, Poison/Dragon, Ground/Bug, Ground/Dragon, and Bug/Dragon, so even barring the types that don't yet exist in the game (Grass/Dragon, Fighting/Ground, Fighting/Dragon, and Bug/Dragon), you're hitting a huge host of pokemon for incredible damage. However, pretty much any combination with Steel is going to resist it aside from Grass/Steel, and several combinations are going to resist it (1/8 taken by Fire/Steel, Water/Steel, Electric/Steel, Ice/Steel, and Rock/Steel; 1/4 taken by pure Steel, Fire/Water, Fire/Electric, Fire/Ice, Fire/Rock, Water/Electric, Water/Ice, Water/Rock, Electric/Ice, Electric/Rock, and Ice/Rock; 1/2 taken by pure Fire, pure Water, pure Electric, pure Ice, pure Rock, Normal/Fire, Normal/Water, Normal/Electric, Normal/Ice, Normal/Rock, Fire/Poison, Fire/Psychic, Fire/Ghost, Fire/Dark, Fire/Fairy, Water/Poison, Water/Psychic, Water/Ghost, Water/Dark, Water/Fairy, Electric/Poison, Electric/Psychic, Electric/Ghost, Electric/Dark, Electric/Fairy, Ice/Poison, Ice/Psychic, Ice/Ghost, Ice/Dark, Ice/Fairy, Fighting/Steel, Poison/Rock, Ground/Steel, Flying/Steel, Psychic/Rock, Bug/Steel, Rock/Ghost, Rock/Dark, Rock/Fairy, and Dragon/Steel). Which... is a lot. Basically, it makes this a situational attack that works amazingly on several pokemon, but is worth little otherwise.

And unfortunately, a lot of type combos have potential to end up that way. I think that's probably the main reason GF has avoided dual-typed moves for so long; if we had a pokemon that could learn, say, a Rock/Electric type move, it'd very likely be brought in as a potential counter to Charizard and Talonflame. And you can also see that all of those pokemon that can learn Dark Inferno would become powerful checks to Aegislash, which takes 4x damage from it, despite not normally taking 4x damage from anything in the game.

Ultimate Champion · Jun 6, 2014

Name: Healing Light
Type: Fairy
Category: Status
Power: -
PP: 5
Accuracy: -
Description: Radiates a flash of holy light that heals the user and its teammates.
Effect: Restores 20% of the HP of the user and all of its teammates that are not fainted.
Target in Double Battle: Affects the user and all allies
Contact move: No.
Learned by: Xerneas

Orithan · Jun 6, 2014

Onyx Tanuki said:
Anyway, dual-type attacks could well change the game quite a lot, especially those with as much power as you've given some of these. At present the only dual-typed move, Flying Press, is such that no pokemon currently in the game is more that double-weak or double-resistant to it, but when you start going into more dual-type attacks you may start to get things that take as much as 16 times or as little as 1/16th damage (like, for example, a Rock/Ice type taking 16x damage from a Fighting/Steel attack, or a Poison/Flying type taking 1/16th damage from a Grass/Bug attack). That could make certain moves excellent to threaten specific pokemon out). Just for kicks, I'm gonna do a type chart to see just how effective these attacks would be...

Code:

|Nor|Fir|Wat|Ele|Gra|Ice|Fig|Poi|Gro|Fly|Psy|Bug|Roc|Gho|Dra|Dar|Ste|Fai [s] | | | | | | | | | | | | | | | | | | [/s] Poi/Fir | |1/2|1/2| |4x |2x | |1/2|1/2| | |2x |1/4|1/2|1/2| |Nul|2x [s] | | | | | | | | | | | | | | | | | | [/s] Gra/Roc | | |2x | |1/2|2x |1/2|1/2| | | | |2x | |1/2| |1/2| [s] | | | | | | | | | | | | | | | | | | [/s] Ice/Fly | |1/2|1/2|1/2|4x |1/2|2x | |2x |2x | |2x |1/2| |2x | |1/4| [s] | | | | | | | | | | | | | | | | | | [/s] Psy/Ice | |1/2|1/2| |2x |1/2|2x |2x |2x |2x |1/2| | | |2x |Nul|1/4| [s] | | | | | | | | | | | | | | | | | | [/s] Fir/Dar | |1/2|1/2| |2x |2x |1/2| | | |2x |2x |1/2|2x |1/2|1/2|2x |1/2

So, for example, Fire Dart would deal 8 times damage against Grass/Ice and Grass/Bug types, since you're combining double-weakness from the Grass side with regular weakness from the Ice or Bug side. Since a large number of single types are weak to Chilly Gust and Grass is double-weak to it, that makes that particular move even more dangerous; it's going to deal 8x damage to Grass/Fighting, Grass/Poison, Grass/Ground, Grass/Bug, and Grass/Dragon, as well as 4x damage to pure Grass, Fighting/Ground, Fighting/Poison, Fighting/Bug, Fighting/Dragon, Poison/Ground, Poison/Bug, Poison/Dragon, Ground/Bug, Ground/Dragon, and Bug/Dragon, so even barring the types that don't yet exist in the game (Grass/Dragon, Fighting/Ground, Fighting/Dragon, and Bug/Dragon), you're hitting a huge host of pokemon for incredible damage. However, pretty much any combination with Steel is going to resist it aside from Grass/Steel, and several combinations are going to resist it (1/8 taken by Fire/Steel, Water/Steel, Electric/Steel, Ice/Steel, and Rock/Steel; 1/4 taken by pure Steel, Fire/Water, Fire/Electric, Fire/Ice, Fire/Rock, Water/Electric, Water/Ice, Water/Rock, Electric/Ice, Electric/Rock, and Ice/Rock; 1/2 taken by pure Fire, pure Water, pure Electric, pure Ice, pure Rock, Normal/Fire, Normal/Water, Normal/Electric, Normal/Ice, Normal/Rock, Fire/Poison, Fire/Psychic, Fire/Ghost, Fire/Dark, Fire/Fairy, Water/Poison, Water/Psychic, Water/Ghost, Water/Dark, Water/Fairy, Electric/Poison, Electric/Psychic, Electric/Ghost, Electric/Dark, Electric/Fairy, Ice/Poison, Ice/Psychic, Ice/Ghost, Ice/Dark, Ice/Fairy, Fighting/Steel, Poison/Rock, Ground/Steel, Flying/Steel, Psychic/Rock, Bug/Steel, Rock/Ghost, Rock/Dark, Rock/Fairy, and Dragon/Steel). Which... is a lot. Basically, it makes this a situational attack that works amazingly on several pokemon, but is worth little otherwise.

And unfortunately, a lot of type combos have potential to end up that way. I think that's probably the main reason GF has avoided dual-typed moves for so long; if we had a pokemon that could learn, say, a Rock/Electric type move, it'd very likely be brought in as a potential counter to Charizard and Talonflame. And you can also see that all of those pokemon that can learn Dark Inferno would become powerful checks to Aegislash, which takes 4x damage from it, despite not normally taking 4x damage from anything in the game.

Agreed. Dual typed moves have the potential to drastically change, if not destroy, the metagame if Gamefreak is careless with them. Flying/Fighting was only chosen because no types had 4x resists or 4x SE hits to it.
If we get into moves whose SE hits and resists of their respective types overlap with each other, we start reaching ridiculous levels of SE damage or resists. These levels overly complicate the metagame and we don't want it to be any more confusing than what it already is.

Related in that regard are moves with specific alterations to the type chart (ie. Freeze Dry), which can be just as detrimental if GF is careless. A number of type combinations that are normally neutral to Ice, including Dragon/Water (Palkia, Kingdra) and Water/Flying (Gyarados), take 4x damage from Freeze Dry. If we were to add in a Ground move that hits Flying for SE damage rather than being immune, a whole host of types would be hugely threatened. Flying/Steel (Skarmory), Flying/Electric (Zapdos, Thundurus) and Fire/Flying (Oh-Ho, MegaZardY and Talonflame) would all be hit for 4x damage. This also complicates the metagame because pokemon would have to watch out for these extra weaknesses on top of their normal ones, some of which may come from threats they otherwise check.

Onyx Tanuki · Jun 6, 2014

Orithan said:
Agreed. Dual typed moves have the potential to drastically change, if not destroy, the metagame if Gamefreak is careless with them. Flying/Fighting was only chosen because no types had 4x resists or 4x SE hits to it.
If we get into moves whose SE hits and resists of their respective types overlap with each other, we start reaching ridiculous levels of SE damage or resists. These levels overly complicate the metagame and we don't want it to be any more confusing than what it already is.

Related in that regard are moves with specific alterations to the type chart (ie. Freeze Dry), which can be just as detrimental if GF is careless. A number of type combinations that are normally neutral to Ice, including Dragon/Water (Palkia, Kingdra) and Water/Flying (Gyarados), take 4x damage from Freeze Dry. If we were to add in a Ground move that hits Flying for SE damage rather than being immune, a whole host of types would be hugely threatened. Flying/Steel (Skarmory), Flying/Electric (Zapdos, Thundurus) and Fire/Flying (Oh-Ho, MegaZardY and Talonflame) would all be hit for 4x damage. This also complicates the metagame because pokemon would have to watch out for these extra weaknesses on top of their normal ones, some of which may come from threats they otherwise check.

Actually I believe such a move has been discovered in XY's data: Thousand Arrows. I don't think it's SE against Flying, but it is a Ground type move that can hit Flying types and Levitators, and I think also has the same effect as Smack Down. And relating to this...

So, just for kicks, I decided to whip up a full version of the chart I made above, which will include how every possible dual-type attack would interact with individual types.

Code:

          |Nor|Fir|Wat|Ele|Gra|Ice|Fig|Poi|Gro|Fly|Psy|Bug|Roc|Gho|Dra|Dar|Ste|Fai
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Fir   |   |1/2|1/2|   |2x |2x |   |   |   |   |   |2x |1/4|Nul|1/2|   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Wat   |   |2x |1/2|   |1/2|   |   |   |2x |   |   |   |   |Nul|1/2|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Ele   |   |   |2x |1/2|1/2|   |   |   |Nul|2x |   |   |   |Nul|1/2|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Gra   |   |1/2|2x |   |1/2|   |   |1/2|2x |1/2|   |1/2|   |Nul|1/2|   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Ice   |   |1/2|1/2|   |2x |1/2|   |   |2x |2x |   |   |1/2|Nul|2x |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Fig   |2x |   |   |   |   |2x |   |1/2|   |1/2|1/2|1/2|   |Nul|   |2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Poi   |   |   |   |   |2x |   |   |1/2|1/2|   |   |   |1/4|Nul|   |   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Gro   |   |2x |   |2x |1/2|   |   |2x |   |Nul|   |1/2|   |Nul|   |   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Fly   |   |   |   |1/2|2x |   |2x |   |   |   |   |2x |1/4|Nul|   |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Psy   |   |   |   |   |   |   |2x |2x |   |   |1/2|   |   |Nul|   |Nul|1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Bug   |   |1/2|   |   |2x |   |1/2|1/2|   |1/2|2x |   |1/2|Nul|   |2x |1/4|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Roc   |   |2x |   |   |   |2x |1/2|   |1/2|2x |   |2x |1/2|Nul|   |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Gho   |Nul|   |   |   |   |   |   |   |   |   |2x |   |1/2|Nul|   |1/2|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Dra   |   |   |   |   |   |   |   |   |   |   |   |   |1/2|Nul|2x |   |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Dar   |   |   |   |   |   |   |1/2|   |   |   |2x |   |1/2|Nul|   |1/2|1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Ste   |   |1/2|1/2|1/2|   |2x |   |   |   |   |   |   |   |Nul|   |   |1/4|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Nor/Fai   |   |1/2|   |   |   |   |2x |1/2|   |   |   |   |1/2|Nul|2x |2x |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Wat   |   |   |1/4|   |   |2x |   |   |2x |   |   |2x |   |   |1/4|   |2x |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Ele   |   |1/2|   |1/2|   |2x |   |   |Nul|2x |   |2x |1/2|   |1/4|   |2x |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Gra   |   |1/4|   |   |   |2x |   |1/2|2x |1/2|   |2x |   |   |1/4|   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Ice   |   |1/4|1/4|   |4x |   |   |   |2x |2x |   |2x |1/2|   |   |   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Fig   |2x |1/2|1/2|   |2x |4x |   |1/2|   |1/2|1/2|1/2|   |Nul|1/2|2x |4x |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Poi   |   |1/2|1/2|   |4x |2x |   |1/2|1/2|   |   |2x |1/4|1/2|1/2|   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Gro   |   |   |1/2|2x |   |2x |   |2x |   |Nul|   |   |   |   |1/2|   |4x |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Fly   |   |1/2|1/2|   |4x |2x |2x |   |   |   |   |4x |1/4|   |1/2|   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Psy   |   |1/2|1/2|   |   |2x |2x |2x |   |   |1/2|2x |1/2|   |1/2|Nul|   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Bug   |   |1/4|1/2|   |4x |2x |1/2|1/2|   |1/2|2x |2x |1/2|1/2|1/2|2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Roc   |   |   |1/2|   |2x |4x |1/2|   |1/2|2x |   |4x |1/2|   |1/2|   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Gho   |Nul|1/2|1/2|   |2x |2x |   |   |   |   |2x |2x |1/2|2x |1/2|1/2|2x |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Dra   |   |1/2|1/2|   |2x |2x |   |   |   |   |   |2x |1/2|   |   |   |   |Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Dar   |   |1/2|1/2|   |2x |2x |1/2|   |   |   |2x |2x |1/2|2x |1/2|1/2|2x |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Ste   |   |1/4|1/4|1/2|2x |4x |   |   |   |   |   |2x |   |   |1/2|   |   |2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fir/Fai   |   |1/4|1/2|   |2x |2x |2x |1/2|   |   |   |2x |1/2|   |1/2|2x |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Ele   |   |2x |   |1/2|1/4|   |   |   |Nul|2x |   |   |2x |   |1/4|   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Gra   |   |   |   |   |1/4|   |   |1/2|4x |1/2|   |1/2|4x |   |1/4|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Ice   |   |   |1/4|   |   |1/2|   |   |4x |2x |   |   |2x |   |   |   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Fig   |2x |2x |1/2|   |1/2|2x |   |1/2|2x |1/2|1/2|1/2|4x |Nul|1/2|2x |2x |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Poi   |   |2x |1/2|   |   |   |   |1/2|   |   |   |   |   |1/2|1/2|   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Gro   |   |4x |1/2|2x |1/4|   |   |2x |2x |Nul|   |1/2|4x |   |1/2|   |2x |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Fly   |   |2x |1/2|1/2|   |   |2x |   |2x |   |   |2x |   |   |1/2|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Psy   |   |2x |1/2|   |1/2|   |2x |2x |2x |   |1/2|   |2x |   |1/2|Nul|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Bug   |   |   |1/2|   |   |   |1/2|1/2|2x |2x |2x |   |2x |1/2|1/2|2x |1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Roc   |   |4x |1/2|   |1/2|2x |1/2|   |   |2x |   |2x |2x |   |1/2|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Gho   |Nul|2x |1/2|   |1/2|   |   |   |2x |   |2x |   |2x |2x |1/2|   |    |    
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Dra   |   |2x |1/2|1/2|   |   |   |   |2x |   |   |   |2x |   |   |   |1/2|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Dar   |   |2x |1/2|   |1/2|   |1/2|   |2x |   |2x |   |2x |2x |1/2|1/2|   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Ste   |   |   |1/4|1/2|1/2|2x |   |   |   |   |   |   |2x |   |1/2|   |1/2|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Wat/Fai   |   |2x |1/2|   |1/2|   |2x |1/2|2x |   |   |   |2x |   |   |2x |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Gra   |   |1/2|4x |1/2|1/4|   |   |1/2|Nul|   |   |1/2|2x |   |1/4|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Ice   |   |1/2|   |1/2|   |1/2|   |   |Nul|4x |   |   |   |   |   |   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Fig   |2x |   |2x |1/2|1/2|2x |   |1/2|Nul|   |1/2|1/2|2x |Nul|1/2|2x |2x |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Poi   |   |   |2x |1/2|   |   |   |1/2|Nul|2x |   |   |1/2|1/2|1/2|   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Gro   |   |2x |2x |   |1/4|   |   |2x |Nul|Nul|   |1/2|2x |   |1/2|1/2|2x |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Fly   |   |   |2x |1/4|   |   |2x |   |Nul|2x |   |2x |1/2|   |1/2|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Psy   |   |   |2x |1/2|1/2|   |2x |2x |Nul|2x |1/2|   |   |   |1/2|Nul|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Bug   |   |1/2|2x |1/2|   |   |1/2|1/2|Nul|   |2x |   |   |1/2|1/2|2x |1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Roc   |   |2x |2x |1/2|1/2|2x |1/2|   |Nul|4x |   |2x |   |   |1/2|   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Gho   |Nul|   |2x |1/2|1/2|   |   |   |Nul|2x |2x |   |   |2x |1/2|1/2|   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Dra   |   |   |2x |1/2|1/2|   |   |   |Nul|2x |   |   |   |   |2x |   |1/2|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Dar   |   |   |2x |1/2|1/2|   |1/2|   |Nul|2x |2x |   |   |2x |1/2|1/2|   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Ste   |   |1/2|   |1/4|1/2|2x |   |   |Nul|   |   |   |2x |   |1/2|   |1/2|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ele/Fai   |   |1/2|2x |1/2|1/2|   |2x |1/2|Nul|2x |   |   |   |   |   |2x |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Ice   |   |1/4|   |   |   |1/2|   |1/2|4x |   |   |1/2|2x |   |   |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Fig   |2x |1/2|2x |   |1/2|2x |   |1/4|2x |1/4|1/2|1/4|4x |Nul|1/2|2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Poi   |   |1/2|2x |   |   |   |   |1/4|   |1/2|   |1/2|   |1/2|1/2|   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Gro   |   |   |2x |2x |1/4|   |   |   |2x |Nul|   |1/4|4x |   |1/2|   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Fly   |   |1/2|2x |1/2|   |   |2x |1/2|2x |1/2|   |   |   |   |1/2|   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Psy   |   |1/2|2x |   |1/2|   |2x |2x |2x |1/2|1/2|1/2|2x |   |1/2|Nul|1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Bug   |   |1/4|2x |   |   |   |1/2|1/4|2x |1/4|2x |1/2|2x |1/2|1/2|2x |1/4|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Roc   |   |   |2x |   |1/2|2x |1/2|1/2|   |   |   |   |2x |   |1/2|   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Gho   |Nul|1/2|2x |   |1/2|   |   |1/2|2x |1/2|2x |1/2|2x |2x |1/2|1/2|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Dra   |   |1/2|2x |   |1/2|   |   |1/2|2x |1/2|   |1/2|2x |   |   |   |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Dar   |   |1/2|2x |   |1/2|   |1/2|1/2|2x |1/2|2x |1/2|2x |2x |1/2|1/2|1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Ste   |   |1/4|   |1/2|1/2|2x |   |1/2|2x |1/2|   |1/2|4x |   |1/2|   |1/4|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gra/Fai   |   |1/4|2x |   |1/2|   |2x |1/4|2x |1/2|   |1/2|2x |   |2x |2x |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Fig   |2x |1/2|1/2|   |2x |   |   |1/2|2x |   |1/2|1/2|2x |Nul|2x |2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Poi   |   |1/2|1/2|   |4x |1/2|   |1/2|   |2x |   |   |1/2|1/2|2x |   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Gro   |   |   |1/2|2x |   |1/2|   |4x |2x |Nul|   |1/2|4x |   |2x |   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Fly   |   |1/2|1/2|1/2|4x |1/2|2x |   |2x |2x |   |2x |1/2|   |2x |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Psy   |   |1/2|1/2|   |2x |1/2|2x |2x |2x |2x |1/2|   |   |   |2x |Nul|1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Bug   |   |1/4|1/2|   |4x |1/2|1/2|1/2|2x |   |2x |   |   |1/2|2x |2x |1/4|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Roc   |   |   |1/2|   |2x |   |1/2|   |   |4x |   |2x |   |   |2x |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Gho   |Nul|1/2|1/2|   |2x |1/2|   |   |2x |2x |2x |   |   |2x |2x |1/2|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Dra   |   |1/2|1/2|   |2x |1/2|   |   |2x |2x |   |   |   |   |4x |   |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Dar   |   |1/2|1/2|   |2x |1/2|1/2|   |2x |2x |2x |   |   |2x |2x |1/2|1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Ste   |   |1/4|1/4|1/2|2x |   |   |   |2x |2x |   |   |2x |   |2x |   |1/4|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ice/Fai   |   |1/4|1/2|   |2x |1/2|2x |1/2|2x |2x |   |   |   |   |4x |2x |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Poi   |2x |   |   |   |2x |2x |   |1/4|1/2|1/2|1/2|1/2|   |Nul|   |2x |Nul|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Gro   |2x |2x |   |2x |1/2|2x |   |   |   |Nul|1/2|1/4|4x |Nul|   |2x |4x |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Fly   |2x |   |   |1/2|2x |2x |2x |1/2|   |1/2|1/2|   |   |Nul|   |2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Psy   |2x |   |   |   |   |2x |2x |   |   |1/2|1/4|1/2|2x |Nul|   |Nul|   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Bug   |2x |1/2|   |   |2x |2x |1/2|1/4|   |1/4|   |1/2|2x |Nul|   |4x |   |1/4
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Roc   |2x |2x |   |   |   |4x |1/2|1/2|1/2|   |1/2|   |2x |Nul|   |2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Gho   |Nul|   |   |   |   |2x |   |1/2|   |1/2|1/2|1/2|2x |Nul|   |   |2x |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Dra   |2x |   |   |   |   |2x |   |1/2|   |1/2|   |1/2|2x |Nul|2x |2x |   |Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Dar   |2x |   |   |   |   |2x |1/2|1/2|   |1/2|   |1/2|2x |Nul|   |   |2x |1/4
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Ste   |2x |1/2|1/2|1/2|   |4x |   |1/2|   |1/2|1/2|1/2|4x|Nul|   |2x |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fig/Fai   |2x |1/2|   |   |   |2x |2x |1/4|   |1/2|1/2|1/2|2x |Nul|2x |2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Gro   |   |2x |   |2x |   |   |   |   |1/2|Nul|   |1/2|   |1/2|   |   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Fly   |   |   |   |1/2|4x |   |2x |1/2|1/2|   |   |2x |1/4|1/2|   |   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Psy   |   |   |   |   |2x |   |2x |   |1/2|   |1/2|   |1/2|1/2|   |Nul|Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Bug   |   |1/2|   |   |4x |   |1/2|1/4|1/2|1/2|2x |   |1/2|1/4|   |2x |Nul|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Roc   |   |2x |   |   |2x |2x |1/2|1/2|1/4|2x |   |2x |1/2|1/2|   |   |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Gho   |Nul|   |   |   |2x |   |   |1/2|1/2|   |2x |   |1/2|   |   |1/2|Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Dra   |   |1/2|1/2|1/2|2x |   |   |1/2|1/2|   |   |   |1/2|1/2|2x |   |Nul|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Dar   |   |   |   |   |2x |   |1/2|1/2|1/2|   |2x |   |1/2|   |   |1/2|Nul|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Ste   |   |1/2|1/2|1/2|2x |2x |   |1/2|1/2|   |   |   |   |1/2|   |   |Nul|4x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Poi/Fai   |   |1/2|   |   |2x |   |2x |1/4|1/2|   |   |   |1/2|1/2|2x |2x |Nul|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Fly   |   |2x |   |   |   |   |2x |2x |   |Nul|   |   |   |   |   |   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Psy   |   |2x |   |2x |1/2|   |2x |4x |   |Nu;|1/2|1/2|   |   |   |Nul|   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Bug   |   |   |   |2x |   |   |1/2|   |   |Nul|2x |1/2|2x |1/2|   |2x |   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Roc   |   |4x |   |2x |1/2|2x |1/2|2x |1/2|Nul|   |   |2x |   |   |   |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Gho   |Nul|2x |   |2x |1/2|   |   |2x |   |Nul|2x |1/2|2x |2x |   |1/2|2x |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Dra   |   |2x |   |2x |1/2|   |   |2x |   |Nul|   |1/2|2x |   |2x |   |2x |Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Dar   |   |2x |   |2x |1/2|   |1/2|2x |   |Nul|2x |1/2|2x |2x |   |1/2|2x |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Ste   |   |   |1/2|   |1/2|2x |   |2x |   |Nul|   |1/2|4x |   |   |   |   |2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gro/Fai   |   |   |   |2x |1/2|   |2x |   |   |Nul|   |1/2|2x |   |2x |2x |   |   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Psy   |   |   |   |1/2|2x |   |4x |2x |   |   |1/2|2x |1/2|   |   |Nul|1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Bug   |   |1/2|   |1/2|4x |   |   |1/2|   |1/2|2x |2x |1/2|1/2|   |2x |1/4|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Roc   |   |2x |   |1/2|2x |2x |   |   |1/2|2x |   |4x |1/2|   |   |   |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Gho   |Nul|   |   |1/2|2x |   |2x |   |   |   |2x |2x |1/2|2x |   |1/2|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Dra   |   |   |   |1/2|2x |   |2x |   |   |   |   |2x |1/2|   |2x |   |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Dar   |   |   |   |1/2|2x |   |   |   |   |   |2x |2x |1/2|2x |   |1/2|1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Ste   |   |1/2|1/2|1/4|2x |2x |2x |   |   |   |   |2x |2x |   |   |   |1/4|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Fly/Fai   |   |1/2|   |1/2|2x |   |4x |1/2|   |   |   |2x |1/2|   |2x |2x |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Bug   |   |1/2|   |   |2x |   |   |   |   |1/2|   |   |   |1/2|   |Nul|1/4|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Roc   |   |2x |   |   |   |2x |   |2x |1/2|2x |1/2|2x |   |   |   |Nul|1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Gho   |Nul|   |   |   |   |   |2x |2x |   |   |   |   |   |2x |   |Nul|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Dra   |   |   |   |   |   |   |2x |2x |   |   |1/2|   |   |   |2x |Nul|1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Dar   |   |   |   |   |   |   |   |2x |   |   |   |   |   |2x |   |Nul|1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Ste   |   |1/2|1/2|1/2|   |2x |2x |2x |   |   |1/2|   |2x |   |   |Nul|1/4|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Psy/Fai   |   |1/2|   |   |   |   |4x |   |   |   |1/2|   |   |   |   |Nul|1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Bug/Roc   |   |   |   |   |2x |2x |1/4|1/2|1/2|   |2x |2x |   |1/2|   |2x |1/4|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Bug/Gho   |Nul|1/2|   |   |2x |   |1/2|1/2|   |1/2|4x |   |   |   |   |   |1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Bug/Dra   |   |1/2|   |   |2x |   |1/2|1/2|   |1/2|2x |   |   |1/2|2x |2x |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Bug/Dar   |   |1/2|   |   |2x |   |1/4|1/2|   |1/2|4x |   |   |   |   |   |1/2|1/4
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Bug/Ste   |   |1/4|1/2|1/2|2x |2x |1/2|1/2|   |1/2|2x |   |2x |1/2|   |2x |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Bug/Fai   |   |1/4|   |   |2x |   |   |1/4|   |1/2|2x |   |   |1/2|2x |4x |1/4|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Roc/Gho   |Nul|2x |   |   |   |2x |1/2|   |1/2|2x |2x |2x |   |2x |   |1/2|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Roc/Dra   |   |2x |   |   |   |2x |1/2|   |1/2|2x |   |2x |   |   |2x |   |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Roc/Dar   |   |2x |   |   |   |2x |1/4|   |1/2|2x |2x |2x |   |2x |   |1/2|1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Roc/Ste   |   |   |1/2|1/2|   |4x |1/2|   |1/2|2x |   |2x |2x |   |   |   |1/4|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Roc/Fai   |   |   |   |   |   |2x |   |1/2|1/2|2x |   |2x |   |   |2x |2x |1/4|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gho/Dra   |Nul|   |   |   |   |   |   |   |   |   |2x |   |   |2x |2x |1/2|1/2|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gho/Dar   |Nul|   |   |   |   |   |1/2|   |   |   |4x |   |   |4x |   |1/4|   |1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gho/Ste   |Nul|1/2|1/2|1/2|   |2x |   |   |   |   |2x |   |2x |2x |   |1/2|1/2|2x 
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Gho/Fai   |Nul|1/2|   |   |   |   |2x |1/2|   |   |2x |   |   |2x |   |   |1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Dra/Dar   |   |   |   |   |   |   |1/2|   |   |   |2x |   |   |2x |2x |1/2|1/2|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Dra/Ste   |   |1/2|1/2|1/2|   |2x |   |   |   |   |   |   |2x |   |2x |   |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Dra/Fai   |   |1/2|   |   |   |   |2x |1/2|   |   |   |   |   |   |4x |2x |1/4|Nul
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Dar/Ste   |   |1/2|1/2|1/2|   |2x |1/2|   |   |   |2x |   |2x |2x |   |1/2|1/2|   
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Dar/Fai   |   |1/2|   |   |   |   |   |1/2|   |   |2x |   |   |2x |2x |   |1/2|1/2
[s]          |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   [/s]
Ste/Fai   |   |1/4|1/2|1/2|   |2x |2x |   |   |   |   |   |2x |   |2x |2x |1/4|2x

Now a LOT of these combos hits at least one type for 4x damage or 1/4 damage. If we were to take those out to ensure no combination of types could ever take more than 4x damage or less than 1/4 damage (not counting immunities), and assuming I did al the weakness/resistancd calculations right, that leaves us with the following possibilities for dual-typing moves:

Normal/Water, Normal/Electric, Normal/Fighting, Normal/Ground, Normal/Ghost, Normal/Dark, Fire/Psychic, Fire/Ghost, Fire/Dragon, Fire/Dark, Water/Poison, Water/Flying, Water/Psychic, Water/Bug, Water/Ghost, Water/Dragon, Water/Dark, Water/Fairy, Electric/Fighting, Electric/Poison, Electric/Psychic, Electric/Bug, Electric/Ghost, Electric/Dragon, Electric/Dark, Electric/Fairy, Grass/Ghost, Grass/Dark, Ice/Fighting, Ice/Ghost, Ice/Dark, Fighting/Flying, Fighting/Ghost, Fighting/Dragon, Poison/Ground, Poison/Psychic, Poison/Ghost, Poison/Dragon, Poison/Dark, Ground/Flying, Ground/Bug, Ground/Ghost, Ground/Dragon, Ground/Dark, Ground/Fairy, Flying/Ghost, Flying/Dark, Psychic/Ghost, Psychic/Dark, Rock/Ghost, Ghost/Dragon, Ghost/Steel, Ghost/Fairy, Dragon/Dark, Dark/Steel, Dark/Fairy

While that's a considerably smaller list than the total number of possible type combinations, it's still a lot to work with. I would especially love to see what GF would do with a Water/Flying or Dark/Fairy move. |3

Create and/or change anything & everything Competitve edition! (Generation VI, ORAS)

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Ma! There's a weird 'nuki in the yahd!

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Ma! There's a weird 'nuki in the yahd!