Titan Legion · loyalists

Legio Atarus

“Firebrands” — a loyalist Titan Legion that supported the loyal Astartes at the Drop Site Massacre on Isstvan V, where it was broken by the traitor Legio Mortis and its god-machines burned among the dead Astartes. Its Reaver Red Naga destroyed the Mortis Warlord Breath of Thunder. At Beta-Garmon the surviving Warhounds were found among the ruins of Omega-Garmon by a maniple of Mortis.

Category: Titan Legion
Side: Loyalists
Key events: 4 events
Forces: 100–130 Titans at the start of the Heresy; forge world — Atar-Median (a thrall world of the Phaeton/Osedax line).

Fate

Savagely crippled at Isstvan V and Beta-Garmon; a surviving legion.

Key events

Fall of the Lords of Gardinaal 999.M30 · Loyalist victory
Drop Site Massacre on Isstvan V 006.M31 · Atrocity
Second Battle of Paramar 008.M31 · Traitor victory
Battle of Tralsak 011.M31 · Inconclusive

Sources

Lexicanum: Legio Atarus
FW Black Book Two: Massacre
Atlas compilation · source check 2026

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