Goblin Slayer Side Story: Year One, Vol. 8 (manga)

Goblin Slayer's promotion exam begins in earnest! The seemingly simple quest he chose ends up taking him and his examiner all the way to a distant village next to a massive goblin nest. The two of them venture into the nest to exterminate the goblins, where they soon discover that this horde is being led by a kind of goblin more dangerous than any Goblin Slayer has seen before... Meanwhile, after Heavy Warrior collapses due to overwork, Young Warrior’s party is sent to investigate the source of the recent frequent, disruptive earthquakes in his place, but the answer they find is something they never could have imagined...!!