Khagra the Usurper and her band of Slaves to Darkness see Direchasm as the site of the culmination of their personal path to glory; a final proving ground where they will earn the attention of the Dark Gods. They mean to turn the mountain to the service of Chaos by desecrating its every chamber through dark sorcery and brutal sacrifice. It was Khagra’s sister Zarshia who led the warband into Beastgrave, but they soon became trapped in a gnashing chamber. Khagra wedged her shield between the cavern floor and the encroaching ceiling before carving a way out of the rocky gullet, and since then, the brutal warriors Cragan and Razek have turned to Khagra for direction. Zarshia has not abandoned her own ambitions, however, and is poised to overturn her upstart sibling when the opportunity arises.
This is partial text from the full article (usually with photos) at https://modelgeek.com/news/direchasm-khagra-s-ravagers