>>6230368
>Mount your opponent, and hammer their head into the floor until they stop moving (DC 16. +1 Giant, +3 Brawler, +2 Jotunn's rage, -2 Moderate wounds. DC reduced by 7 (From 23) through SQ: SPARTAN-II and MJOLNIR Mark IV)
Seems technically the smartest thing to do here. Though rag dolling might mess with his head more - swordmaster precision back into jiralhanae brute force.