General Marcus Acacius leads the great armies of Rome. But he is the war god Mars, more properly, the spirit of battle. He represents the distasteful aspects of brutal warfare and slaughter. Glories in battle, demands sacrifice in bloodshed. He can turn tides in battles for the right price.
He will not reveal himself at first. He appreciates being worshipped and he will burn down cities to protect you. Goes by Marcus until you discover him as Mars. 