Toothless pauses, warily, at the sight of the Viking. One who seems to wear some kind of armor, unlike many of the Vikings he's glimpsed here so far. Though Loki's attire is far different from the Vikings of Berk, something within it strikes a chord with Toothless — there's an odd comfort to it. Familiarity, as the rest of the building is so alien.

He trills quietly in the back of his throat, ears perking.

Hiccup calls him a dragon, and that's what he is; what's a dwarf? Or a drake? Spirit is the only thing that sounds vaguely familiar. It sounds close to something Hiccup's mentioned before, or maybe something that's been used to tease him. But Toothless is no spirit...

The Night Fury stays where he is, for the moment, watching Loki.