Legions often shared the same base with other legions. The Armenian First Legion was one of the later-period Roman imperial legions. Armies were, unlike the earlier Roman legions, untrained and unprepared. "Legion" focuses on the "Alpha Legion", the of the Space Marine Legions. Eventually, the Romans were forced to begin hiring mercenaries to fight alongside the legions. His legions of undead Predacons are destroyed. A typical Roman army during this period consisted of five to six legions. The attack was repelled by the Roman legions and the Germanic cavalry. They are juicy, cheap, predictable, and devoured in stupefying quantities by legions of loyal fans. The various governorships gave Caesar command of an army of (initially) four legions. He has 72 legions of demons under his command. Additionally, the two legions they commanded defected to Pompey. The cohorts came to form the basic tactical unit of the legions. Auxiliary regiments were designed to operate as a complement to the legions. This was in contrast to other legions that were reestablished after suffering defeat.