Tony, lost in thought, tapped his chin thoughtfully while the other Avengers looked at each other, shrugging their shoulders with no solution in sight. All that could be heard in the hall was Hulk chewing on something loudly, crunch, munch, slurp!,Thor pointed at Guan Heng, turning his head to ask Iron Man, "Tony, is this kid the so-called 'Taoist' He doesn't look very impressive!",Suddenly, a bright light flashed above his head. He looked up and saw a sword hilt deeply embedded in the stone wall of the cave. The spot was right above the dragon's head!。