Global Mutation: My Body Can Level Up Without Limit

For reasons unknown, animals across the globe began growing abnormally powerful. To escape their attacks, the government built five underground shelters in every city.

Xiao Chen transmigrates to this world and immediately has to face these monsters!

Fortunately, he obtains the Brain of the Universe System, which lets him upgrade his body without limit!

What caused the mutations?

Can Xiao Chen uncover the truth?

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.