Fuel Tank

"“The pain is immediate and unending. Your spine hardens and solidifies into a single metal rod, to better support the fuel tank being welded permanently onto your back. After an eternity the procedure ends, and you’re left with a large tank of flammable liquid sprouting from the ripped and ravaged remains of your back. — In-game description"

Effects

 * Chance to Release Flame Wave When Damaged
 * + 40 Speed
 * - 80 Resistance