*A quick purple glow and that cloud is as solid as...well, solid as Styrofoam, but hey, it holds his weight. The door to the castle is open onto what looks like a pretty typical entrance hall, only made completely of dark cloud. Oh, and lit purely by floating orbs of purple electricity. And with a couple of hippogriffs made of gelatinous blood milling around.*
[Action]
Welcome to the castle in the sky!