The group defeats a powerful dragon and harvests valuable parts from its corpse. They receive a bittersweet visit from fallen comrades Tika and Betofino, who bestow gifts and encouragement. The party travels to a research camp where they work with scientists to unravel the mystery of dimensional doors that could allow them to return home. They discover that Grass, a kobold, is key to opening one of the doors. Tensions rise as they struggle to extract painful memories from Grass to locate the door's origin point.