Apocalyptic Apex Predator

{ Part of the Zoniverse: Earth } The End of the World. Nobody expects it to happen but you hear about it all the time. Eventually, it did happen though, leaving billions dead and cities razed to the ground. Chaos consumed the world. But while people fought for their lives, an old hermit living in the mountains casually slays monster after monster, like nothing had changed. *ding!* [You are the first to become a True Predator! Congra-"Shove off..." With absolutely no care in the world, this old guy lives his life 'peacefully' as the new Universal Law System plans to turn him into either the Savior or Destroyer of this world.