Why Is It the End of the World When We Wake up in 50,000 Years?

Fifty thousand years after killing the evil beast, Lin Feng swallowed the evil beast and woke up. The once prosperous city was in ruins, and zombies were spread all over the world. The aura of this earth has long since disappeared, and there is no way to start cultivating. The aura stored in the body is also slowly decreasing. When he was most embarrassed, Lin Feng discovered that killing zombie mutants could gain spiritual energy, which could replenish himself and increase his strength. Ever since! There is an adventurer in the world who aims to kill the zombie king! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.