Spiritual Energy Recovery: I Can Level up by Killing Monsters

An unprecedented meteor shower suddenly swept across the world, and the subsequent revival of spiritual energy caused changes in the animals and plants in nature. In just a few months, monsters rampaged across the land and preyed on humans. In times of despair, powerful psychics awakened among humans, killing monsters and helping people build high walls. And in this doomsday, I can level up by killing monsters. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.