You're gonna need a bigger Terrakion.

Forewarn - Pokémon Ability

The Pokémon ability Forewarn. Information on which Pokémon have the ability as well as its description can be found below, organized by name and generation. For a complete list of all the Pokémon abilities, check out our complete abilities list.

  • Forewarn
Determines what moves a foe has.

These Pokémon Have Forewarn

Name Gen IV Gen V Gen VI
Drowzee
Hypno
Jynx
Smoochum
Munna
Musharna