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...!!