(c) xdarkzerox
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HEART TANK
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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.