Fantasy: I Can Modify the Plot

He traveled through time and became a supporting character in a book he wrote. He was about to be killed by the protagonist at the beginning, and the protagonist also received blessings of luck. Fortunately, virtual computers appeared and the plot could be modified. I am here to pick up the treasures of heaven and earth, and the heavenly magic weapons only recognize me! I come to seize the destiny of heaven and earth, and add the energy of the world to my body! I want the sky to be unable to cover my eyes! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.