There are a ton of collectibles to find in The Legend of Zelda: Skyward Sword HD, but some of the trickiest ones to get your hands on are Gratitude Crystals. You'll typically receive these crystalized bits of happiness when you help out the many residents of Skyloft, and they can be traded in for some rare rewards, making them among the game's most valuable collectibles.
Nearly every denizen of Skyloft has some sort of problem or side quest they need help with, including one unusual request involving the Knight Academy's bathroom. Here's what you need to do to complete this side quest and earn some more Gratitude Crystals. For more Skyward Sword HD guides, check out our full guide roundup, which also includes beginner's tips and heart piece locations. Be sure to also read our full Zelda: Skyward Sword HD review.
Haunted Bathroom
Location: Knight Academy
Prerequisites: Must defeat The Imprisoned for the first time
If you stick around the Knight Academy at night, you will notice haunting sounds coming from the bathroom in the dorm. Alternatively, you can find your way to this side quest by talking to Dovos at the Bazaar, or Henya the lunch lady at the Knight Academy.
