What's the best set?

[▼■DoomWing■▼]

Umm...I was just wondering...in my newly got LG,my strongest pokemon in my team is kabutops.So these are its current moveset and stats:

Kabutops
Level:79
Item:King's Rock
Nature:Adamant
Ability:Swift Swim

-Rock Slide
-Mud Shot
-Brick Break
-Slash

Which one of these set should siut kabutops 4 future use?(PS:You can always suggest to breed)

-Kabutops

Item:Lefties
Nature:Adamant

-Rock Slide
-HP Ground
-Brick Break
-Double Egde

~or~​

-Kabutops

Item:Shell bell
Nature:Quiet

-Surf
-Ice Beam
-Rock Slide
-Brick Break

I would appriciate your help!!!!!!!!!

 

[HaLuZiNaTHoR]

Try this one:
Kabutops
Adamant

-Swords dance
-Brick break
-Hp ground/mudshot
-Rock slide

 

[chaos952]

More like:

Adamant Nature @ Leftovers
Trait: Swift Swim

Swords Dance
Rain Dance
Rock Slide
HP Ground