Apocalyptic Calamity: I Built an Army of Superpowered Warriors

[Apocalypse + Special Abilities + Relentless Killing + No Goody-Two-Shoes Protagonist + No System] Bai Chen scraped by for half a year in the apocalypse. He thought awakening a special ability would let him survive in safety, but his teammates betrayed and killed him. Fortunately, he took his spatial-travel ability back in time to one month before the disaster. Given another chance at life, Bai Chen builds himself a safe house, stocks up on mountains of supplies, and quietly develops a core team to defend against outside threats. This time, he lives only for himself. In this apocalypse, where humanity has been extinguished, no one can stay out of it. Order collapses, and only the law of the jungle remains: the strong prey on the weak… (This story is entirely fictional. Any resemblance to real people or events is purely coincidental...)