You've Already Come to the World of Martial Arts, Why Are You Still Letting Me Practice Immortality?

In his previous life, Lin Zhou was just a humble Qi practitioner. However, he was snatched away by his most trusted master and died tragically. When he opened his eyes again, he was already in a world without aura and where martial arts was respected. I thought I could only live a busy life, But he discovered that the mysterious magic weapon from his previous life followed him—— Slay demons and obtain elixirs, which can be exchanged for spiritual energy points to continue cultivating immortality! In the world of cultivating immortals, external evil spirits are rare and powerful, and Nascent Soul monks can barely fight against them; But here, demons are everywhere, with varying powers, and demon pills can even be used as currency. This time, he finally saw an opportunity for rapid growth. Lin Zhou, who was still frightened, just wanted to steadily embark on the road to immortality. Puppet, incarnation, elixir... If you can, he will never do it himself. ——Until that day, the Demon King, who was forced into a desperate situation, desperately broke into the Xia Kingdom's imperial city, But Lin Zhou raised his hand to suppress him. Emperor Xia cried with joy: "Master, in the next step, we can eliminate all the demons!" Lin Zhou looked at the insufficient spiritual energy points, remained silent for a moment, and then slowly spoke: "Have you ever heard of Your Majesty—sustainable fishing?"