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edits
Changes
From Warhammer 40k - Lexicanum
→Release and Fourth Tyrannic War
After his reincorporation into the Ultramarines 2nd Company, Titus was given command of squad memembers [[Gadriel]] and [[Chairon]], keeping his history and reasons for being a Deathwatch Blackshield from them. He converses with the [[Chaplain]] attached to the Ultramarines 2nd Company, who is highly distrustful of him and seeks to keep an eye on him. Titus then journeyed with his new squad to [[Avarax]] to rescue the [[Archmagos]] [[Nozick Beta-12]], but the [[Tech-Priest]]s were all slain by the Tyranids save [[Morias Leuze]].{{Fn|12b}} Titus discovers that the Mechanicum research team was reviving [[Project Aurora]], but they are then ambushed by the [[Thousand Sons]] under [[Imurah]]. Leuze is slain and Imurah retrieves the device.{{Fn|12c}}
Battling through both Thousand Sons and Tyranids on [[Avarax]], Titus and his squad are able to retrieve Leuze and then move to send out an [[Astropath]]ic message to [[Marneus Calgar]] and warn him of the situation.{{Fn|12d}} However when they reach the [[Astropathic Choir]], the [[Astropath]] accuses Titus of being a heretic who seeks to betray Calgar. This causes Chairon Gadriel to attempt to subdue Titus, but the Astropath is slain by GadrielChairon. Soon enough the Astropah is revealed to have been possessed by Imurah, causing Chairon to realize he had been manipulated.{{Fn|12e}}
Battling the Thousand Sons on [[Demerium]], Titus and the rest of the Ultramarines under Acheron rendezvoused with Calgar, who congratulates them for holding the line. Together, the Ultramarines drive on the Thousand Thousands as Imurah uses Aurora to open a [[Warp Rift]], summoning a great [[Lord of Change]]. Titus and his squad are able to reverse the alignment of the [[Necron]] constructs powering the Warp Rift, causing it to weaken. Imurah and the Lord of Change flee into a new Warp Portal, unleashing a spell that freezes all the Ultramarines save Calgar, Titus, Gadriel, and Chairon. The four pursue Imurah and the Lord of Change, finding themselves inside the [[Immaterium]]. During the final battle against Imurah, Titus and his squad are able to finds Calgar and drive back the Lord of Change as Imurah attempts to use Aurora to imbue himself with the divine knowledge of the Warp. However midway through the process, Titus reverses the polarity of Aurora as Imurah imbues himself with it, causing his form to explode and forcing back the Daemonic tide.{{Fn|12f}}