The Mushroom Plasma Root is a permanent power-up item obtained from the Treasure Bag dropped from Crabulon. It increases the Rage Mode damage buff by 15%. There are 2 other items that function identically to this: the Infernal Blood and the Red Lightning Container. It can only be used once.
- The three items that increase the damage of Adrenaline Mode: the Electrolyte Gel Pack, the Starlight Fuel Cell, and the Ectoheart.