Leech Seed
Type: Grass
This attack "seeds" the enemy, forcing it to give you some of its health every turn. Even when your first Pokémon is fainted, the leech seed continues to sap a bit of HP.
Leech Seed is learned by:
Bulbasaur (Lv.7)
Exeggcute (Lv.13)
Popoko (Lv.22)
Serebii (first move)