Goblin Slayer Gaiden 2: Tsubanari no Daikatana

This manga is a spin-off of the Goblin Slayer! light novel series and serves as its first manga adaptation. It takes place 10 years before the events of the main series and follows a group of six adventurers known as the Sword Maiden's party. Their mission is to travel to the Dungeon of the Dead with the objective of killing the Demon Lord.