I think the emotional weight is a bit different too.
in the LN, he was basically like, "i'll just get us the fuck out of here."
also
Ross asking him was torture for her. It was one of their first most honest moments. She didn't want him to fight, because she wanted him to put away that part of him. She felt guilty asking him to do his do. z
The satisfying payoff from the silver dragons thinking the queen's consort was just a weak ass dragon with no skills, not even strong enough to hold a dragon form and he turns into an aimbot just killing hundreds with every step.