Spiritomb

Ability

Cursed Whirlpool

As long as this Pokémon is your Active Pokémon, your opponent's Active Pokémon can't retreat.

Cursed Drop

Put 3 damage counters on your opponent's Pokémon in any way you like.

Retreat

“A Pokémon that was formed by 108 spirits. It is bound to a fissure in an odd keystone.”