After Zelda escapes through the Door of Time Link is left trying to find a way to chase after her. After returning to the Sealed Grounds the Imprisoned breaks out and tries to destroy everything in sight. After Link defeats The Imprisoned he returns to Skyloft and begins trying to find a way to find Zelda again.
By repairing the Windmill Link opens up a portal into the Thunderhead Cloud.
Imprisoned Boss Fight
Beedle’s Shop – Wallet Upgrade – Bug Net
Fixing Scrapper the Robot
Retrieve Propeller and Fix Windmill
Thunderhead Tower Puzzle