Zerxus is strong and stubborn enough to keep a grip on the shield, but that may not have been the right call; his knees buckle and he topples backwards, entirely unable to catch himself.

The horns make a decent buffer, at least; his head is ringing, but his gaze doesn't lose focus.

"If you break my shield - " His arm whips up again, doing his shoulder no favours; he means to slam his sword down on any part of Jedao he can reach.