Xuandi and Xuantian come to the tavern to meet people. They have something important to do when they come to Zhuque. They have found all the treasures they need in these years. This time, they come to find a man, tielao, who is known as "iron old man".

find tielao and they will be able to create what they need. It can be said that this trip is the last moment for them to come to China.

"elder brother, we have already posted. Besides, last year, we broke through the old man's mechanism. Do you think he can make what we need?"

"trust him!"

"elder brother, this man's rules are...