A desolate landscape of rubble and ruin, scarred by the aftermath of battle. The M-Nation Captain clashes with his arch-nemesis!,Sighing, Tony shook his head as if trying to shake away the last vestiges of regret. Then he said: "Ten years ago, based on my father's research, I independently developed this time-travel device. My intention was to use it to travel back in time and prevent the tragedy that befell my parents. However, I didn't know what impact altering the past would have on the future. Perhaps those I cherish here would disappear as a result, so the time journey never came to pass.",It's unclear if it was due to the Super Serum, but Guan Heng's progress was abnormally rapid. His physique grew increasingly strong and robust. In less than a year, he had mastered all the martial arts skills. In his own words: "This kung fu stuff is the easiest for me to learn, after all, it's something unique to my homeland!"。