After Living in Poverty for Thousands of Years, You Call This Qi Training Period?

Yan Qingyuan was once the greatest genius in ancient times, but at the last moment of becoming the Great Emperor, he suddenly shattered his foundation and became a mortal. The whole world laughed at him for going crazy, and his former enemies even celebrated him. But no one knows that he just completed the system task in exchange for the endless lifespan [Immortality Fruit]. Lost all your cultivation? No matter what, he took a big yellow dog and began to slowly rebuild from the Qi refining stage in the world of mortals. Time goes by, and tens of millions of years pass. His old enemy died of old age, and the saint who admired him passed away. Only he and the dog were still wandering around in the world. Until one day, darkness and turmoil swept across the heavens, and the world fell into despair. Yan Qingyuan sighed and threw a basic fireball technique that had been practiced for thousands of years. In an instant, the arrogant Dark Supreme was burned to ashes. The mighty gods trembled: "You call this the Qi refining period?!"