Liquid Ooze (ability)

Liquid Ooze is an ability introduced in Generation III. So far, 5 Pokémon have this ability. This ability is exclusive to poison types.

In battle
Pokémon with Liquid Ooze damage those attempting to drain HP from them for as much as would normally be healed. The damage dealt from HP draining moves remains the same.

Outside of battle
Liquid Ooze has no effect outside of battle.