The problem is that, given his other interests, Ryuu would probably enjoy it. :x
I don't mind waiting for a decision on this. But if somebody can get away with attempted murder, then I'd expect it to affect the story and setting. Students will slowly stop caring about any of the rules, which would eventually lead to anarchy.
I know it seems like I'm singling out for persecution, but there's a reason I've made Elene be very careful about what she does in public. I'd expect the same for her, should she ever...snap somebody's neck or something.