The Loyalist forces during the Icarion Insurrection fought under the orders of the Warmaster, Alexandros, in his defence of the Imperium against the Stormlord and Traitors.
Early Insurrection[]
Legiones Astartes[]
Mechanicum Forces[]
Titan Legions[]
- Legio Carnifex
- Legio Gojira
- Legio Vindex
- Legio Fatalis
- Legio Auris
- Legio Tonarum
- Legio Apollo
Army and Militia[]
- Vasalius 1st Terra Heredes
- Huronian Sunstriders
- Medusan Steelshod
- Greatstriders of Umbra
- The Mazkan Third
- Franc Voltigeurs
- Kadisian Hounds
= Solar Auxilia Cohorts[]
- 52nd Cohort, the Zanskat Guard
- 80th Cohort, The Balovian Vanguard
- 151st Cohort, the Katorz Destructivists
- 752nd Cohort, the Lightwings
- 918th Cohort, the Star Serpents
- 5173rd Cohort, the Steel Bulls
Legion Serf Forces[]
- Ebedsakar
- Daughters of Daer'dd