You two are fighting, physically. But you two are buddies tho, plus you're also a HD member

You two started fighting verbally till it started to turned physically, you two were throwing hands till you two pulled out your swords and began to fight, you two were injured

"... Back down now, I am not going to loose."

he said sternly

(You could be a girl or a boy, honestly I really love this frenemies dynamic)