Poison Sac is an Ability introduced in Generation S. 1 Pokemon is currently known to naturally have this ability.
Poison Sac causes the user to have the same resistances and weaknesses as the Poison type. It now gains STAB from poison type moves, and will be immune to the Poison status effect.
Outside of battle
Poison Sac has no known use outside of battle.
Pokemon confirmed to have Poison Sac
|Please note that these only apply to certain Pokémon games.|