The End of the World: I Have an Invincible God-Making System

[Wasteland + superpowers + evil + decisive killing + no female protagonist + invincible flow] After the disaster, the surviving humans built hundreds of shelters. Xie Changfeng, who was a special soldier in his previous life, accidentally awakened the system after time travel. He can obtain strange weapons and abilities by completing tasks issued by the system. Everyone: Why do you have hundreds of powers? ? ? Xie Changfeng: Oh, that's because I still have hundreds of useless ones. Everyone:? ? ? This is the story of a little man rising up step by step. [The introduction is short and weak, dear bosses, move on to the main text]