The group confronts Doctor Blackthorn in a cold, ancient chamber at the heart of an island laboratory. Blackthorn admits to manipulating their lives for his experiments aimed at stabilizing unstable realms. Emma discovers a diary revealing she was abducted as a baby for these experiments and escaped during a teenage accident. The group faces numerous challenges, including the laboratory's structural instability and illusions forcing them to relive traumatic memories. They uncover that Blackthorn's work is funded by a powerful organization called The Consortium, which seeks to control the realms using the entity accidentally unleashed by Blackthorn. As they delve deeper, the entity reappears, declaring its dominance over The Consortium and intending to use Emma as a vessel to manifest fully in the realms. Throughout, the characters develop new abilities and strengthen their bonds, resolving to uncover the truth and stop the impending threat.