Ultimate Anton the Undying: The Complete Collection:

Rome may have fallen, but its greatest warrior still fights.
Enter the world of Anton the Undying, a Roman gladiator who was transformed into a vampire upon his death.
Now, Anton fights for Bregit, the ruler of the supernatural world and the vampire who turned him. As Bregit's Enforcer, Anton seeks to keep the paranormal world in check so that his kind and humans can coexist peacefully.
However, not everyone sees things as Bregit does, and Anton is constantly challenged by eldritch schemes and...