300 years ago, humans were still killing each other. However, that changed when the portals appeared and the beasts hidden within started popping out. They slaughtered humans at first. But, after a decade of being hunted and slaughtered, some humans started to change. At first, all that changed was their teeth, bodies. But then, they started to change in different ways almost being identified as a different species. Before that happened, those that changed, and some that stayed the same, were granted the gift of the system. One such person would be Nathan, who changes from being human into something else. Follow Nathan on his journey to help and be helped, to save others even if he might die. Updates will be at most one or twice a week, unless you want shorter chapters.