Prehistoric: to Survive Until You Are Invincible and Then Come Out Again

Su Yan's soul traveled through the wilderness and he knew the dangers of calamity. He found an uninhabited lonely peak, practiced hard in seclusion, and did not care about worldly affairs. One hundred thousand years later, at the end of the Lich's calamity, he broke out and looked at the devastated wilderness. He took one step forward and reached a state that made all the saints look at him.