He steps through! Behind him there is an archway, free-standing and empty, that seems to resemble the one he came through to get here.

Besides that... there's not much of note. It feels like a place that's waiting to happen, the nervous hunger of wanting to take the first bite of a new food that you're not sure will be palatable. If he touches the throne, it sways a bit worryingly, and he immediately gets a sense of an almost panicked wish to not mess up.