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|Knight World=[[Atar-Planitia]]{{Fn|7a}}

Founded upon the frigid word of [[Atar-Planitia]] to serve alongside the newly founded [[Forge World]] of [[Atar-Median]], the Knights of Col'Khak were forever bound in service to Atar-Median and the [[Legio Atarus]]. Like Atar-Median, the House was formed by those dispatched from [[Phaeton]] and were trained to function flawlessly against the forces of Atar-Median and Legio Atarus. This unbreakable bond ensured that only rarely did they take to the field alone and full authority over the Knights was often divested to the command of whichever [[Archmagos]] or [[Princeps]] preesentis present.{{Fn|6}} The devotion of the House to the ideals of the Mechanicum and [[Omnissiah]] extended far beyond the field of battle. All within its ranks displayed extreme reverence for the technological artefacts given to it. In accordance with their allegiance they fielded greater numbers of rarer technologies, most notable being their entire formations of rarer [[Knight Styrix]] suits. Many of their Knight pilots underwent extreme augmentation in the mirror of their Mechanicum patrons.{{Fn|6}}

The devotion At the start of the [[Horus Heresy]], {{PAGENAME}} operated around 100 Knights. The House was deployed to the ideals of the Mechanicum and [[OmnissiahIsstvan V]] extended far beyond and the field of battle. All within its ranks displayed extreme reverence for first to bring the technological artifacts given traitors to itBattle. In accordance with their allegiance they fielded greater numbers of rarer technologies, most notable being their entire formations They were wiped out upon the world but survivors backed by the industrial might of rarer [[Knight StyrixPhaeton]] suitssaw the House rebuilt to some 254 Knight armours. Many of {{Fn|7a}} These were able to enact their revenge upon the traitors alongside their Knight pilots underwent extreme augmentation Atarus brethren in the mirror [[Cataclysm of their Mechanicum patronsIron]]. Here, they took to the field independently more frequently.{{Fn|6}}

At the start of the ==House Elements=====Knight Armours=======[[Cerastus Pattern]]====*''[[Horus HeresyOmnissiah's Will]], {{PAGENAME}} operated around 100 Knights. The House was deployed to '' — [[Isstvan VKnight Atrapos]] and the first to bring the traitors to Battle. They were wiped {{Fn|6}}{{Fn|7b}} Destroyed in battle cutting out upon the world but survivors backed by legs under enemy titans during the industrial might of [[PhaetonCataclysm of Iron]] saw the House rebuilt to some 254 Knight armours.{{Fn|76}} These were able to enact their revenge upon the traitors alongside their Atarus brethren in the *''[[Cataclysm Spear of IronPhobos]]'' — [[Knight Lancer]]. Here, they took to Took part in the invasion of the field independently more frequently[[T'au Empire]] [[Sept World]] [[Vesh'yo]].{{Fn|64}}

===Known Knights=[[Questoris Pattern]]====*''[[Spear of PhobosOmnissiah's Grace]]'' — [[Knight Lancer]]. Took part in the invasion of the Tau Empire Sept World Vesh'yo{{FnPaladin|4}}*''Omnissiah's Will'' - [[Knight Atrapos]] and survivor of [[Isstvan V]] piloted by [[Ailaedus VII]]. Destroyed in battle cutting out the legs under enemy titan's during the [[Cataclysm of IronPaladin]].{{Fn|67c}}

===Notable Knights===*[[Ailaedus VII]] — Survivor of [[Isstvan V]] and pilot of ''[[Omnissiah's Will]]''.{{Fn|6}}{{Fn|7b}} ==See Alsoalso==

*{{Endn|6}}: [[Adeptus Titanicus: Crucible of Retribution]] pg, pgs.60-61*{{Endn|7}}: [[Adeptus Titanicus: Loyalist Legios]], :**{{Endn|7a}}: pgs. 7374-75**{{Endn|7b}}: pg. 76**{{Endn|7c}}: pg. 77