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Aurora Chapter

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Targetdrone.gif This article is about the Space Marine Chapter; for the Eldar space vessel, see Aurora Light Cruiser.
Aurora Shoulder Pad.jpg
AuroraChapterPrimaris.jpg Auroramini.jpg
Founding Chapter: Ultramarines
Founding: Second Founding
Chapter Master: Unknown
Homeworld: Firestorm[2c]
Fortress-Monastery: Unknown
Colours: Green with gold aquila[9]
Specialty: Armoured Assault
Strength: Unknown
Battle Cry Unknown

The Aurora Chapter is a Chapter of Space Marines formed from the Ultramarines Legion during the Second Founding. Like all descendants of the Ultramarines, they are strict followers of the Codex Astartes.[1]


During the Great Crusade and Horus Heresy, the 4th Chapter of the Ultramarines Legion was known as the Aurorans. They possessed five times as many armoured vehicles as a standard Chapter.[13a] The 4th Chapter also used non-standard iconography, using the color green to mark veterans and marking its members with the so-called "Auroran Ribbon",[22] a sign which later became the Aurora Chapter's symbol.[9]

In 007.M31, the 4th Chapter was among the Ultramarines units mustered on Calth. It was mainly deployed on the planet's continent of Ithraca.[22] There, it was drawn into the apocalyptic Betrayal of Ithraca, fighting alongside the 24th Ultramarines Chapter, Legio Praesagius, and other loyalists against the Word Bearers, Legio Suturvora, and other Chaos followers. The 4th Chapter suffered massive losses at Ithraca City,[13d][13e] but rallied under Sub-Captain Mantargo and helped to hold back the traitors before being forced to retreat due to the mass emergence of daemons.[13f][13g]

The Aurora Chapter was officially set up in the Second Founding,[1] and since then operates largely in the Ultima Segmentum. The chapter is well known for their armoured assaults; the Chapter possesses three times the typical number of Land Raiders and Predators[2a], all of which are manufactured on their homeworld, Firestorm.[10]

After defeating the Alpha Legion in the Redemption Rebellion alongside the Knights of the Raven in 744.M41, the Aurora Chapter blamed the Knights for their heavy losses and have been in a bitter feud with them since.[6b]

The Aurora Chapter are bitter rivals with the 66th Armoured Company, a World Eaters warband that also specializes in armoured warfare.[19]

Battles and Campaigns

As Ultramarines 4th Chapter ("the Aurorans"):

As Aurora Chapter:


The Aurara Chapter has a stylized ribbon as its chapter symbol,[9] an icon already used by the 4th Ultramarines Chapter in the Horus Heresy.[22] The Aurora Chapter wear green armour with a golden aquila. Company affiliation is shown by the colour of a Marine's pauldron trim, as per the Codex Astartes.[6c]

The Chapter's Chaplains wear Rosarii gifted to them by the Ecclesiarchy.[7]

Chapter Elements


As Aurora Chapter:

Notable Vessels

Named Vehicles

As Ultramarines 4th Chapter ("the Aurorans"):

As Aurora Chapter:

Known Members

As Ultramarines 4th Chapter ("the Aurorans"):

As Aurora Chapter:


Aurora Chapter Firstborn[9]

See also