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===Creation of the Primarchs===

[[Image:The_primarchs_wall.jpg|thumb|right|500px|An assembly of the Primarchs during the great Triumph after the [[Ullanor Crusade]]. Left to right: [[Sanguinius]], [[Mortarion]], [[Magnus the Red]], [[Angron]], [[Jaghatai Khan]], [[Lorgar Aurelian]], [[Rogal Dorn]], [[Horus Lupercal]], and [[Fulgrim]].]]

The Primarchs were created in a secret underground laboratory on [[Terra]]{{Fn|14}} under the tightest security. According to [[Ingethel|Ingethel the Ascended]], the Primarchs were created by the Emperor with the aid of forbidden sciences and arcane lore derived from the [[Warp]].{{Fn|14}} [[Eldrad Ulthran]] also states that the Emperor utilized dark powers to construct the Primarchs.{{Fn|19}} It is speculated the Primarchs were imbued with energies and knowledge that the Emperor gained in a Warp Portal on [[Molech]].{{Fn|20}} The genetic material of the powerful [[Perpetual]] [[Erda]] were used in the creation of the Primarchs and she viewed them as her "sons".{{Fn|38a}} [[Perturabo]] would later estimate his own birth to be 792.[[M30]], perhaps giving a date for the Primarch's creation.{{Fn|26}}

Sometime after [[The Shattering]], Bile discovered one of his clones of Fulgrim managed to survive underneath the rubble of [[Harmony]]. Under Bile's care the clone rapidly matured and was "pure", retaining none of Fulgrim's corruption. However when Bile believed that the clone still retained all of Fulgrim's arrogance and was doomed to go down the same path as the original, he traded him to [[Trazyn the Infinite]] in exchange for a lost [[Emperor's Children]] [[Gene-Seed]] stock.{{Fn|39}}

==Portraits==

*{{Endn|Note 2}}: Officially, Horus was the first Primarch rediscovered and Alpharius the last. According to Alpharius's own account, however, he was in fact the first Primarch recovered by the Emperor and Horus the second, with Alpharius's existence being kept secret until his twin Omegon - the last undiscovered Primarch - revealed himself (as 'Alpharius') to Horus and the Imperium.{{Fn|40}}

[[Gregor Eisenhorn]] refers to the "Primarch" of the [[White Consuls]] [[Space Marine Chapter]], when stating that he made it a point to commend a heroic [[Space Marine Sergeant|Sergeant]] who saved his life, at the cost of the Sergeant's own, on [[Thracian Primaris]]. Since the White Consuls are a [[Successor Chapter]], and because there were no living or active primarchs within the Imperium at the time of these events, he seems to be using the term "Primarch" interchangeably with that of [[Chapter Master]].{{Fn|5}}

**[[Arik Taranis]], one of the first and last [[Thunder Warrior]]s.

**[[Constantin Valdor]], the first [[Custodian]].

==Sources==