When Jim puts it that way, Isidor knows she would have scolded him for trying to deter her. That's not something she'll admit, though. As it is she gets to conveniently dodge that issue and save herself from looking any worse.

"It's been a long time since I cast something that wasn't as easy as walking," she mutters unhappily.

This place is becoming more like a world of discomfort for her than a place of sanctuary. No ground beneath her feet, no ease in using her magic. What kind of place is this?

It's not all bad. Being frustrated by all of this means she gets a burst of energy again. Ready to vent, Isidor steps across from Jim and prepares herself. "Right. Let's see how worried I should be about pissing you off in future."