An EV spread is a spread of points that when four of them are added, 1 stat point is increased. They essentially become stronger.
They vary based on Pokémon used, what role you want your Pokémon to fill, and playstyle.
I've been hearing something about aBulky Megazard X with Will-o-wisp, could someone give me a set for that? How does it compare to physical sweeper Megazard X?
The sets on smogon forum. People should look at it more often
anyway:
Bulky Will-o-Wisp
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name: Bulky Will-o-Wisp
move 1: Earthquake / Fire Punch
move 2: Dragon Claw
move 3: Will-o-Wisp
move 4: Roost
ability: Blaze
item: Charizadite X
evs: 248 HP / 140 SDef / 120 Spd
nature: Careful Nature