Regenerator

The Pokémon has a little of its HP restored when withdrawn from battle.

This Pokémon regains 1/3 of its maximum HP when it is switched out for another Pokémon under any circumstances other than having fainted. This ability does not take effect when a battle ends.

28 Pokémon have it

Slowpokehidden ability Galarian Slowpokehidden ability Slowbrohidden ability Galarian Slowbrohidden ability Tangelahidden ability Slowkinghidden ability Galarian Slowkinghidden ability Corsolahidden ability Ho-Ohhidden ability Tangrowthhidden ability Audino Solosishidden ability Duosionhidden ability Reuniclushidden ability Foongushidden ability Amoongusshidden ability Alomomolahidden ability Mienfoo Mienshao Therian Tornadus Mega Dragalge Mareaniehidden ability Toxapexhidden ability Gossifleur Eldegoss Klawfhidden ability Cyclizarhidden ability Hydrapple