Lin Yu is struck by a System that falls from the sky, then gets tossed by the System into a dimensional space.
After an unknown number of years struggling and killing, Lin Yu successfully ascends to godhood and sainthood, then returns to Earth.
A week later, dimensional space will open on Earth, and a battle that will change humanity's fate begins.
As the strongest being among humans, Lin Yu protects humanity from the invasion of dimensional creatures. He shields all the Awakened and provides them with stable places to cultivate.
Facing powerful dimensional creatures, Lin Yu protects humanity all by himself, wielding power that can blot out the sky.
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.
Covering the sky with one hand is a derogatory term.