FusionDex

Mewrorus quietly wander in deep, icy caves, seeking out Pokémon frozen in the ice. When they find one, they gently press their noses against the ice, using their psychic abilities to break them out.

Using its diamond-shaped crystals, it can instantly create a wall of ice to block an opponent's attack. A Mewrorus is said to possess the genes of all Pokémon.