When a Pokémon with the Poison Heal Ability gets Poisoned, instead of doing damage it recovers one-eighth, or 12.5%, of its Maximum HP. Being severely poisoned by way of Toxic, Poison Fang or stage two Toxic Spikes won't increase the amount of HP recovered per turn, however.
The Poison Status Condition still works as normal in the Overworld, as a Pokémon with Poison Heal still takes Poison Damage outside of battle as usual.
Pokémon With Poison Heal
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