Telepathy

Telepathy is an ability. The ability prevents its allies from hurting it with moves such as Earthquake. This ability also allows Pokémon to talk to humans via telepathy such as Jirachi, Zorua, etc.

Pokémon that uses Telepathy in Special Movies
The following Pokemon uses Telepathy to speak with Ash and his friends during his adventure : Mewtwo = MS001 : Mewtwo Strikes Back

Jirachi = MS006 : Jirachi : Wish Maker