Soul-Killing for All: Template Aizen's I Am Invincible

A hundred years ago, many dimensional cracks suddenly appeared all over the world. The spiritual seeds in the cracks that almost condensed into entities floated to all parts of the world. Since then, monsters have frequently attacked humans in various places. And some people even claimed to have seen the legendary 'ghost' with their own eyes. Ghosts have harmed countless people, and thermal weapons have no effect at all. Just when people were panicking, they suddenly discovered that the spirits walking in the air seemed to contain some kind of cultivation method. Some people are absorbing the spirits in the air, Awakened a weapon called the 'Soul-Slaying Sword'. Since then, the world has entered the era of soul-killing. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.