Start a Darkest Dungeon quest with four heroes of resolve level 0

Complete a long quest

Slay your first boss

Complete a quest in the Ruins

All three campaigns completed

Zombie - Reach wave 25

Zombie - Get a full squad

Lose the first mission in either Campaign

Fully upgrade your squad

Use an airstrike to kill 3 enemies at once

Completed Spec Ops Campaign

Complete the Tutorial