The creature had surprised her, and she had stepped back on reflex, the syllables of a cantrip on her tongue, but thankfully Erik spoke before anything rash could happen. Oh. A pet entity - how quaint, really. Narrowly averting disaster, Fever comes in, eyes glancing around in appreciation, but also to see if she can catch the strange one in her gaze again.

"I've never seen a creature like him before. Is he some kind of spirit?"

To get through doors and such, or else just some innate magic.