The encounter journal for the new raid Aberrus, the Shadowed Crucible, has been updated in the latest Patch 10.1 PTR bulid. Check out the latest raid testing schedule here for more information. Updated Aberrus Raid Testing Schedule
Millennia ago, Neltharion established Aberrus, a secret laboratory where he conducted world altering experiments. Recently rediscovered, Aberrus is now under attack from all sides as forces seeking to claim the Earth-Warder's legacy search for any power that remains. The champions of Azeroth must venture into the shadows and ensure Neltharion's dark power doesn't fall into the wrong hands. Kazzara, the HellforgedAlthough Neltharion would not use them himself until much later, he experimented with elementium plating in the early days of Aberrus. The end result of elementium and shadowflame was Kazzara, who was deemed far too unstable for release. Driven mad by the excruciating pain of her elementium plates, she now serves as the guardian of the Shadowed Crucible.
Overview: As a terrifying revenant of shadowflame, Kazzara tears open unworldly [Dread Rifts] from which [Rays of Anguish] will seek to exterminate her enemies. Upon reaching 100 energy, Kazzara will unleash a devastating [Hellbeam] from her sinister jaws to execute intruders herself. At 70%, 50%, and 30% health remaining, plates of Kazzara's menacing armor are shattered off during [Hellsteel Carnage], intensifying the chaos as her [Infernal Heart] is uncovered. Read more on wowhead.com