Quote Originally Posted by Emperordaniel View Post
The "during movement" bit makes me think that it's plausible that he's using the Stand on Mount skill.
I think it's quite plausible too, which is why I suggested it. I don't get how he's not using the skill. He is clearly standing on his mount while moving towards the Order, and while standing jumps off and attacks Roy. At the very least it warrants further discussion.