Hermione wasn't sure what she was expecting, but whatever it was, it certainly wasn't that. She couldn't even be entirely sure what she was seeing until it was already over, after which she frowned a little as she kept scanning the area for the remnants of Lenneth's spell.

"Versatile, yes," she murmured before turning her attention to Lenneth again, smiling a little. "Have you tried relearning other spells, or have you simply been using this one in whatever flexible way you can manage? I'm curious as to whether magic can be fully relearned or even altered here."