Global Natural Disaster: When I Woke Up, I Became Stronger Again

[Doomsday natural disaster, no harem, no system, strong protagonist, decisive killing, ancient civilization] After the end of the world, Wu Ziyi led the only powerful awakened people in the Dragon Kingdom to fight against the monster in front of him. Seeing his comrades fall one after another from his side, Wu Ziyi felt unwilling. "If you could give me a chance to come back! How could I lose!" At this moment, a girl slowly walked up to her and said to Wu Ziyi: "Leave it to me and I will make sure you are safe."