.. Finding the Heavy Duty Anti-Gravity Thrust Unit

What is the place that knows about floating stuff?

Right! Have you asked around?

Did you check out Lightbeard and his suspiciously large cloud that shouldn't be floating by itself...

If you climb the ladder you can lower the cloud. Now, the rope keeps the cloud in shape. Maybe F'thr would help you with the knot.

Untie the knot with F'thr