| Category | Oceanic |
| Region | Necrocrypt |
| Location | Sea of Mourning |
| Map | Nithlurik |
Zen'nêlkhush is a profound undersea chasm encompassing a substantial portion of Necrocrypt. The local aquatic populations assert this locale harbors some of the most profound waters of the Sea of Mourning.
Zen'nêlkhush is a gloomy and ominous locale, whispered to harbor a primeval dormant menace. The Dark Rite Library possesses scrolls and venerable tomes hinting at the unsettling mysteries that may lurk within the eerie recesses of this fissure. The texts recount the ancient submerged metropolises of the Durkoth.
In each of these underwater municipalities resides a hibernation vault, a relic salvaged from the Helas Vessel. They contain thousands of Durkoth in temporal suspension. Victims of the Durkoth Descent, it is believed they await in stasis for the day when they shall be summoned to reclaim their position as sovereigns of civilizations.
The Hibernation Vaults, located deep within the ancient Unausprechlin Kulten, serve as a sanctuary for those seeking respite from the world above These subterranean chambers offer a tranquil environment, shielded from the distractions and demands of daily life The vaults' meticulously crafted architecture, with its intricate carvings and soothing lighting, creates an atmosphere of profound serenity, allowing those who enter to achieve a state of profound stillness and contemplation The Hibernation Vaults provide a haven for those in need of solace, a place where they can escape the chaos of the outside world and immerse themselves in the serene embrace of the underground sanctum
The merfolk patrolling the outer regions claim that in the Durkoth Descent, numerous esteemed and prosperous Durkoth nobles from Abâthigûr ventured into Zen'nêlkhush and disappeared. The remainder journeyed northward, establishing the underwater settlement of Ogharkú.