Time-Travel Fighting, Binding Sign-In System at the Beginning

Lin Feng traveled to Dou Po World, and when he opened his eyes, he found himself in a strange forest, surrounded by a mysterious atmosphere. Before he could react, a crisp electronic sound sounded in his mind: "The sign-in system was successfully bound!" The system informed him that as long as he signed in at a specific place and time, he would be able to obtain various magical rewards, which would help him rise in this world where the strong are respected.