Oh, it's most curious! It's certainly fire, but for some reason it doesn't seem to burn even if one brushes up against it.

[She wanders over, resting a hand against Charlemagne's neck; it's way too close to not result in a burn, under normal logic, but evidently this is perfectly fine.]

It's as though he's just a horse. It's really very strange, but so it goes, in a place like this.