Absurdly high ceiling (and three Nias)

Or maybe a hole in the roof? Actually, I can accept that the ceiling is that high, but what door could let the Tumbloni in? Maybe it's in a courtyard. That might work.

Anyway, here's a sort of scale comparison of three different versions—the three different major versions, I think—of my author avatar. Except that the Tumbloni didn't fit.