A tsunami that had not been seen for thousands of years occurred on the Hopeless Sea. After the tsunami, a huge fairy mountain appeared on the sea. People climbed onto the fairy mountain and began the era of immortality cultivation in the world. In modern times, immortality cultivation has reached its peak. Combined with modern technology, it has created infinite possibilities. Everyone in the world can practice, and courses on immortality cultivation are also offered in schools. Classes are divided according to age and cultivation level, 7-10 years old → Qi-nourishing realm, 11-14 years old → Qi-condensing realm, 15-18 years old → Armor-breaking realm