On the night of the Harvest Festival, an army of goblins creeps toward a
border town from the west, but Goblin Slayer's party has a merciless plan to
stop them. However, the enemies' leader finally summons the ancient monster
known as "Hecatoncheir" in an attempt to crush all in his path. Is this a spell
that can best even the Goblin Slayer...?!