I Am the Best in the World in Martial Arts World

Lin Dong patted his chest: "My eldest brother is invincible in the world!" Little Diao wagged his tail: "My big brother has a wonderful plan!" Xiaoyan: "Ouch--ouch!" Until the time traveler named Lin Yun woke up from the car accident and found himself standing on the streets of Qingyang Town, next to Lin Dong, the future ruler of heaven and earth. He knew the plot, knew the disaster, and knew every twist and turn that was supposed to happen. He thought he was here to assist the Son of Destiny. But when he easily avoided the dead ends in the original work time and time again, and when he seemingly unintentionally guided Lin Dong to break through the bottleneck, and even Xiao Diao started to circle around him... Lin Dong's eyes changed when he looked at him. "Who are you anyway?" Lin Yun smiled and did not answer. Because only he knows that this world has deviated from the original work as early as the moment he opened his eyes.