System of the undead in the apocalypse

12.12.2021: The world turned upside down. A virus spread throughout the world, putting it in a state of cause. The virus was untreatable and effected whoever got it. Hope came in the form of a system. The systems were not equal, some had system that gave them unlimited powers while others had dog like systems. Seth was one of the lucky ones, his system was the system of the undead. He could revive and control the undead.