Well, while the feats of strength and brandishing of weapons didn't do anything to faze or impress Naugus, the sudden transformation does. Saying it was unexpected is a hugely massive understatement. The mage's eyes pop wide and his toothy maw drops open.

"You-...You just changed. From-...You were an overlander and now? Mobian? How does that make sense!?" At least Harrowheart has, one way or another, baffled the old coot and openly so. He's even completely forgotten to gloat in the continued resilience of his crystal!