The NiJedhan monks comprised a collective of monks, followers of a religion that disappeared into the past, and they persisted across countless millennia. The Catacombs of Cadera functioned as the final resting place for the skeletal forms of numerous generations of these monks, whose identities and past have faded from memory. The walls of the catacombs were adorned with their humanoid skulls, a respected, yet unsettling, display.