Rubbing his eyes, Guan Heng looked at the time-space shuttle curiously: "What is this thing" In the blink of an eye, the time-space shuttle landed on the ground. Three people came down from it, namely Iron Man in armor, Thor with a hammer on his waist, and Banner who was still a normal person.,Now Guan Heng's fists can easily pierce a bucket filled with stones and iron sand. He has never lost in sparring sessions against Danny Rand, and a year has passed quickly!,A powerful force surged through his body, and a black dragon pattern instantly appeared on Guan Heng's chest. This was the mark of the Divine Dragon's Son, the inheritor of the Iron Fist!。