Thick Fat
The Pokémon is protected by a layer of thick fat, which halves the damage taken from Fire- and Ice-type moves.
Own Tempo
The Pokémon sticks to its own tempo, preventing it from becoming confused or being affected by Intimidate.
Spoink will die if it stops bouncing. The pearl on its head amplifies its psychic powers.
Using its tail like a spring, it keeps its heart beating by bouncing constantly. If it stops, it dies.