Changes

He was supposedly present on [[Eskrador]] the day that [[Omegon]] fell, something that caused him to develop a fierce hatred for the [[Ultramarines]] and their successors.{{Fn|1c}} Commanding the [[Sons of the Hydra]] Warband, Quetzel gained quasi-authority over other independent Alpha Legion cells such as [[The Redacted]] as he wages a campaign in the [[Maelstrom Zone]].{{Fn|1d}} He considers considered himself the ''Angelbane'', a living end to the successor sons of [[Guilliman]]. His At one point, Carthach fell under the influence of an [[Mephet'ran|allegedly returned Alpharius]];{{Fn|1g}} furthermore, a [[Necron]] [[Cryptek]] named [[Omizhar Vohk]] was able to become his advisor.{{Fn|1a}} Both tried to manipulate Carthach.{{Fn|1a}}{{Fn|1g}} Carthach's activities have led him into attacking the homeworlds of the [[Vindicators]], [[Crimson Consuls]], [[Marines MordantNova Legion]], and finally [[Nova LegionMarines Mordant]]. As such, he has been was the target of many [[Inquisition]] assassination attempts.{{Fn|1a}}

However in After successfully destroying the end Marines Mordant, however, Quetzel Carthach seemingly attempted to betray one of his subordinates, Lord [[Occam]] of [[The Redacted]]. In this regard, he was probably deceived by Omizhar Vohk. Before Carthach could make his move, Vohk informed Occam about the Redactedbetrayal, causing the latter to use the captured Marines Mordant [[Battle Barge]] to open fire on Carthach's position. The latter was generally believed to be dead, bringing him into conflict with one and the survivors of Lord his Alpha Legion coalition subsequently splintered.{{Fn|1c}}{{Fn|1d}}{{Fn|1e}} Alongside his few remaining loyalists, Carthach ultimately resurfaced on [[Procul-Sanctus]]. He had prepared an ambush for Occam's forces by guiding the Inquisition and [[Grey Knights]] to attack Occam himself, while human allies slaughtered The Redacted's cultists at Procul-Sanctus, and Carthach himself boarded Occam's [[Q-Ship]] ''[[Iota-Æternus]]''. Contacting his former ally via com, Carthach could not help himself by gloating about his success and how he had brought down his rival by using one of Occam's assassins own followers, [[Autolicon Phex]]. However, Occam used the opportunity to order his [[Mina Perdita]]. She managed to damage his ships the Iota-Æternus's [[Gellar Field]]s, causing . As the Chaos Lord to be consumed ship had been previously possessed by [[Daemon]]s, this caused the entire ship to start killing everyone onboard. Carthach screamed in frustration, even as he and his last loyalists were torn apart by the possessed vessel.{{Fn|1b}}{{Fn|1f}}

**{{Endn|1d}}: Part III, Chapter αε: ''Snake Eyes''**{{Endn|1e}}: Part V, Chapter χ: ''Snakes Alive''**{{Endn|1f}}: Part V, Chapter υ: ''Poisoned Hearts''**{{Endn|1g}}: Part V, Chapter ψ: ''The Serpent's EggReptilian Brain''