What Kind of Immortality Should I Cultivate?

Yi Dong traveled to a fantasy world and became the eight-year-old fourth son of the Ruyang Palace. His lifelong wish is to be an idle rich man, marry a lot of wives, and have a lot of children. It just happened that fate played a trick on people, and after being bound to the system, I got countless full-level talents. "Talent for cultivating immortals: full level." "Martial arts talent: full level." "Alchemy talent: full level." "Item refining talent: full level." "Array talent: full level." … He worked really hard to be a waste. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.