The summit houses one of the hardest-to-find crystal heartsheart in the game. You will need to Collect 6 [[Gems]] one in each subchapter, Start, 500 M, 1000 M, 1500 M, 2000 M, and 2500 M. Once you collect all of the Gems you can Find the crystal heart in a hidden room near the start of 3000 M