At the gates of the corpse garden, the spirit of Yuraka Totha emblazons a rune of Arnovas on Mutana’s shield to aid in their fight. Thakan and Shai’ani use their supernatural power to force open the gates, after which the heroes confront all manner of undead horrors.
Eventually they defeat several large undead monstrosities and secure two orbs of power, cleansing them, then they use the orbs to unlock the last area of the corpse garden. There the confront Tolomi, a vampire using a ritual and corpses to channel a necrotic plague into the river that feeds Amerjosa. Eventually Tolomi is defeated.