Upon receiving the Crown, Gruliac offended the Leaf Lord by declaring himself to be greater than he. As a result, the entire Kurshok civilization was cast underground in the cataclysmic event known as The Great Fall. Gruliac managed to survive without relinquishing the Crown, but lost his hand in the process.
Gruliac led the remaining Kurshok in an effort to restore the Sunken Citadel and find an escape route, but these tasks were abandoned after his death. His spawn, Grustam, continued to search for a way out, but failed.