[Rebirth + Apocalypse + Systemless + Superpowers + Artifacts + Zombies + Alien Species + Mutated Beasts + Invincible]
In the last life, the energy crystal was controlled by the top management. It was difficult for ordinary survivors to upgrade, and zombies upgraded extremely quickly. In the end, 15 people at the top of the world were instantly killed by the Zombie King. Li Er's 6 artifacts were also killed. This time Li Er wants to change. In addition to becoming stronger himself, he also wants to make everyone stronger.
