My System vs. The Monkey King

Rhys, after a thousand years of cultivation, becomes a Human Immortal and enters the Heavenly Court. Seen as mediocre by the Four Heavenly Kings, he's sent to be the Land God of the Peach Garden. He activates the Miracle System, gaining ten thousand years of cultivation daily. After a hundred years, nearing Taiyi True Immortal, a calamity begins. The system asks him to be king over all heavens. His first mission: prevent the Stone Monkey from being born!