Roman Republic's armed forces consists of Hastatus (Principes), Triarius, Velites, Eques, Extraordinarius and Equites Consulares with additional siege equipment. But how do 0 AD team implement the change within the Roman Army ranks? These are the questions: 1. How do 0 AD team introduce new legionary unit? 2. Will the Non-Marian units (Hastatus (Principes), Triarius, Velites, Eques, Extraordinarius and Equites Consulares) become obsolete when Marian Reforms introduced? 3. How to balance the Roma