Abyssal Deathripper

Abyssal Deathrippers were a species of Demon created by Syverr and tied to Nocturnus's soul in the Seeds of Madness Alternate Universe.

Origins
As the Shadow War raged on the surface, Syverr continued with his experiments and efforts to create the perfect soldiers for Nocturnus, eventually fusing an Abyssal Knight to a armor and blades, dousing it with Pit mutagen, and bonding it to Nocturnus's soul, creating the first Abyssal Raveners and Deathrippers, unkillable horrors that were utterly loyal to Nocturnus.

The Shadow War
During this time, Syverr discovered that the Obelisk Nocturnus was entombed in could be broken if, when the Avatars were sufficiently weakened, the Obelisk was hit with a concentrated blast of Shadow energy. At the end of the Shadow War, Syverr was able to free Nocturnus, and renew the battle against the Avatars.

The Second Abyssal Invasion
During the Second Abyssal Invasion, the Demons were able to steadily push back the Avatars' forces, with the Abyssal Juggernauts proving their worth, and the Abyssal Raveners and Deathrippers laying waste to all in their path, even brutally killing the Avatar of Pride, even after the destruction of the lab where they were being created. As the Demons closed in on the last pockets of resistance, the Avatars of Life and Death combined their life forces to trap the Demonic armies in a pocket dimension, with only Xithax and a few other Demons escaping. the Abyssal Raveners were among the Demons trapped in the pocket dimension.

Abilities and Traits
Abyssal Deathrippers were extremely aggressive, even more so than their Ravener counterparts. In combat Deathrippers used their massive claws to scythe through enemy formations, heedless of the wounds inflicted upon them. Abyssal Deathrippers also possessed incredible endurance.

The Abyssal Deathripper's most dangerous ability was its incredible regenerative properties. A Deathripper could survive being cut in half, dismembered, and having every bone in its body broken, due to its tether to Nocturnus's soul. When the Deathripper's limbs were severed, they would act as individual creature. The only way to kill the creature, aside from killing Nocturnus, was to disintegrate it.

Social Structure and Interactions
Abyssal Deathrippers existed primarily outside of the Demons' hierarchy, as Nocturnus was the only demon who could control them, and they became his bodyguards, at first supplementing and finally replacing the Blackfire Knights.

Trivia

 * The Abyssal Deathripper, alongside the Abyssal Ravener, was originally built as a minion for a large, lizard-like being, before being reused as a Demon.