Fighting by his side are Sadie Song, a mighty Crusader whose faith-driven power exacts a heavy toll; Dat Bao, a lethal Witch Hunter driven by loyalty; Kurik, a dwarven Sapper whose ingenuity can turn the tide of any battle; and Ron, a Healer struggling to preserve compassion in a world determined to devour the weak. Together, they’ll confront the nine challenges, each representing a different realm attached to the World Tree.