(c) xdarkzerox *********************** HEART TANK *********************** 1. Flame Mammoth Requirements: Leg Upgrade In the big room with the heart tank go to the top left of the room and use the leg upgrade to smash the blocks. 2. Wire Sponge Suggestions: none When there is a pit of spikes and rain and up and down platforms go up to the top at the start and there will be the sub tank.