Generals’ levels depend on their EXP (experience). There are many methods to gain General EXP in Evony. To level up your Generals, please read this article to learn how to gain General EXP.
In Evony, Epic Historic General Sulla can bring excellent buffs to Ranged Troops and In-city Troops as an Archer Camp Officer. Please read this article to understand Sulla’s Story, Special Skill, Specialty, and how to obtain Sulla in Evony.