Effect Spore
About the ability
Effect Spore is an ability introduced in generation 3.
11 Pokémon can have this ability, such as Paras, Parasect, Shroomish, Breloom and Foongus. For 3 of them it is the hidden ability, usually obtained from events, raids or breeding.
Official effect
Has a 30% chance of inflcting either paralysis, poison, or sleep on attacking Pokémon on contact.
Paras
Parasect
Shroomish
Breloom
Foongus
Amoonguss
Morelull
Shiinotic
Vileplume
Gossifleur
Eldegoss