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|Enemies =[[Legio Ignatum]]{{Fn|1a}}

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'''Legio Mortis''' (AKA the '''''Death's Heads''''') are a [[Traitor Titan Legion]] currently residing within the [[Eye of Terror]].

==History==

Over the course of the Heresy, the Death's Heads also fought on [[Iydris]]{{Fn|8a}}, [[Ruin of Maedran|Maedran]], [[Paramar V]], and [[Tallarn]]]. They were the tip of the spear of Horus' final attack during the climax of the [[Battle of Beta-Garmon]], engaging in a surprise attack upon [[Beta-Garmon III]] with the [[Sons of Horus]].{{Fn|10}}

During [[Siege of Terra]] the Legio Mortis was unleashed in full, sending hundreds of Titans towards the Mercury-Exultant Killzone of the [[Imperial Palace]] defenses. Led by the ''[[Dies Irae]]'', by this point the Legio Mortis had been heavily corrupted by the powers of [[Chaos]] and many of its Titans demonstrated the ability to regenerate from damage or operate independent of a Princeps.{{Fn|12a}} During the battle for the Mercury-Exultant Killzone, the Legio Mortis annihilated their long-hated enemy, the [[Legio Ignatum]].{{Fn|12b}}

The remnants of the Legion fled to the Eye of Terror following the collapse of the rebellion, and from time to time, Chaos Titans bearing the tattered banners of the Legio Mortis have attacked human planets to wreak terrible vengeance on all living things for the defeat of their beloved Warmaster.{{Cite this}}

==Assets==

===Known Titans===

====[[Imperator Class Titan|Imperator]]-class====

*''[[Aquila Ignis]]'' — Attacked [[Magma City]] during the start of the schism. Destroyed the last of the Legio Tempestus' Titans, before being destroyed during the destruction of Magma City. Its Hellstorm Cannon was salvaged and transported to [[Kronus]] for study, before being lost for 10,000 years. It was finally destroyed during the defense of Victory Bay.{{Cite this}}

====[[Warmaster Titan|Warmaster]]-class====

*''[[Sothis (Titan)|Sothis]]'' — Fought in the [[Battle of Isstvan III]].{{Fn|1b}}

*''[[Tenebris Fedelis]]'' — Commissioned weeks before the outbreak of the [[Horus Heresy]] and first saw combat in the [[Drop Site Massacre]].{{Fn|5b}}

===Notable Personnel===

*[[Jonah Aruken]] - [[Moderati]]

*[[Titus Cassar]] - [[Moderati]]

==Images==

*{{Endn|13}}: [[Adeptus Titanicus: Traitor Legios]], pgs. 28-30

*{{Endn|14}}: [[War Zone Nachmund: Rift War]], pg. 33

===Uncited===