This seemingly ordinary punch actually contained tremendous explosive power. Without looking, the old man also threw out a similar punch. He wanted to see how much strength the youth's punch had. The two fists collided without any fancy moves. Li Kong's body continued to slide backward due to the great force, while the old man only took three steps back. "This kid is really strong. He can actually force me back," the old man sighed in his heart. "My ability is still too weak. If I could reach the Third Grade, then there shouldn't be such a big gap." Li Kong shook his numb fists. He rushed forward again, and flames instantly covered his fist. The old man did not intend to continue fighting with Li Kong. Instead, he went for a much simpler method and used a magic skill to blast Li Kon