Invincishroom

A mushroom made in Little Fungitown in Mario & Luigi: Superstar Saga. It is made from Starmen and 1-Up Mushrooms from the Mushroom Kingdom. When Mario ate one, he contracted the Bean Fever, a disease which affects people who are not accustomed to the food of the Beanbean Kingdom. Luigi has to travel to Guffawha Ruins, alone, to find the cure.