A large army unit. Lead by a Legate.
- Legio Cohors Nihil - Zero Legion - Secretive legion used to defend the Sovereign.
- Legio X Pardus - Iron Leopards - Led by Ajax.
- Legio XIII Dracones - Dragoons - Led by Aja au Grimmus.
- Legio XX Fulminata - Thunderbolt Legion
- Scorpion Legion - Led by Scorpio au Votum
- Fifteenth Legion - Helldivers
- Pegasus Legion - The Seventh Legion, known as the Pegasus Legion, is under the personal command of ArchImperator Darrow O'Lykos. They were assigned to stay on Luna during the battle for Mercury. Supported Virginia's escape to Mars. 27,000 remain out of the original 50,000.
- Rat Legion - Described as the toughest legion who fought in the Rat War in the tunnels of Mars. Soldiers in the legion wear a rat skull as a charm on their necklace. they were on mercury during the Free Legions annihilation.