Apocalypse: the Controller

After the disaster, survivors built high walls and joined groups to stay warm. A hundred years later, technology has allowed a few people to rule the majority, and conflicts have become more intense... Alien races, mutant beasts, and mysterious forces are surging. Winter has arrived, who is in charge of the ups and downs of the various forces... Let's see how the lucky young man can turn the tide! (Ahem, actually I just brought a hook)