[A somewhat startled, sheepish laugh as he sits back up.]
Ah— It's quite fine. I misstepped, that's all. [Except... isn't that a faint smell of blood suddenly in the air? No part of his clothes seems to stain with it immediately, so it can't be a deep cut, at least.
"Sebastian you can just pretend to sprain your ankle or something you don't actually have to cut it open." Yes but see, that wouldn't be overkill.]