The Immortal Doctor of Peach Haven

After inheriting the legacy of an ancient sage, he uses silver needles in his left hand to overcome calamities and spiritual energy in his right to heal wounds. He treats ordinary people kindly and punishes bullies. Everyone loves him, and wherever he goes, things flourish. Just as he is reaching the peak of his life, the world suddenly changes. The greater the power, the greater the responsibility. Saving the world is up to me!