Dry Skin
About the ability
Dry Skin is an ability introduced in generation 4.
7 Pokémon can have this ability, such as Paras, Parasect, Croagunk, Toxicroak and Helioptile. For 1 of them it is the hidden ability, usually obtained from events, raids or breeding.
Official effect
Causes 1/8 max HP in damage each turn during strong sunlight, but heals for 1/8 max HP during rain. Increases damage from Fire moves to 1.25×, but absorbs Water moves, healing for 1/4 max HP.
Paras
Parasect
Croagunk
Toxicroak
Helioptile
Heliolisk
Jynx