Goblin Slayer, Vol. 13 (light novel)

The dungeon exploration contest-a famous test of survival in an underground maze
filled with deadly traps; the stuff of legends. And now the Guild wants to use this test
to train rookie adventurers! A certain silver-ranked adventurer is drafted to oversee the
competition while Guild Girl takes a surprising liking to setting the traps. But as
preparations commence and an aspiring adventurer takes up her sword, the shadow of
chaos looms just out of sight...