Primordial Sea

On switch-in, heavy rain begins until this Ability is not active in battle.

Standard ability
0
Pokémon
Hidden ability
0
Pokémon
Only in battle
1
Pokémon

In detail

On switch-in, the weather becomes Heavy Rain, which includes all the effects of Rain and prevents damaging Fire-type moves from executing. This weather remains in effect until this Ability is no longer active for any Pokémon, or the weather is changed by the Delta Stream or Desolate Land Abilities.

Pokémon that can have it

1

Only in battle1A forme it takes mid-battle, like a Mega Evolution