User blog comment:HazelQuill7445/About Roman and Ruby. Canonically./@comment-28288412-20160527211506/@comment-24573226-20160527212359

Well, if I'm right about him playing the role of "teacher," killing him would be like becoming Darth Vader. ;) (I'm joking, not really serious)

I mean, it's weird that knocking him unconscious was given to Blake while Ruby's on top of the train letting her professor set her dog on fire. It feels like there's got to be a reason why Ruby never gets to one-up him.