Goblin Slayer, Vol. 10 (Manga) - Kumo Kagyu

Goblin Slayer's party has rescued Noble Fencer, who, burning with desire for revenge, accompanies them as they seek to bring down a fortress controlled by goblins. And after sneaking into and assaulting the stronghold, they finally come face‒to‒face with the ruler of all the enemies they have fought on the snowy mountain--the goblin paladin!!