From the Super Mario Wiki
Poison is a special attack in the game Super Mario RPG: Legend of the Seven Stars. The Poison attack only targets one party member. This attack is unblockable and does one and a half more damage than a normal attack. In addition, it occasionally inflicts the Poison status. The only known users of the Poison attack are Rat Funks, Alley Rats, Chows, Spinthras and Goombettes.
Names in other languages