Legion - 10000 soldiers

Cohort - 500 soldiers

Company - 100 soldiers

Battalion - 50 soldiers

Commander - General of the legion

Garen - Commander of centurions and a praetorian guard

Darius - Cavalry officer and a praetorian guard

Praetorians - Royal guards

Centurions - Officers below commander

Captains - Officers below centurions

Auxiliary - non-citizens of Rome but are part of the legion

P.S If anyone is wondering about the size of the legion and ranks there is an explanation in the ff chapters. First novel I've written so there will be errors, hope you enjoy the story.