Poltchageist

Basic

AbilityHide 'n' Sneak

Prevent all effects of your opponent's Pokémon's attacks and Abilities done to this Pokémon. (Damage is not an effect.)

Furtive Drop

Place 1 damage counter on your opponent's Active Pokémon.

Weakness

Fire ×2

Resistance

—

Retreat

—

Poltchageist looks like a regional form of Sinistea, but it was recently discovered that the two Pokémon are entirely unrelated.