The wide sweep of his arm doesn't allow for much, visually, so he misses the small detail where Summoner draws the large knife. He sees the smaller troll dart forward, but only when the knife plunges into his leg does he realize-- fuck.

He roars, the blade digging into his leg deep but he quickly raises his hand to backhand the troll (or at least drive him away so he could tend to the knife). It sends a hot bolt of pain up and down his leg, causing him to lurch in his step, nearly tripping. It's a pretty nasty wound, and dear god does it hurt. It hurts so fucking much, but he only finds himself stretching his mouth from ear to ear in an unsettling grin. A strange moaning sound bubbles up in his throat, and it's obvious he's trying to keep it down but he's pretty sure Summoner is close enough to hear it.

"Motherfuck..."