C663 Calculation

After Du Changsheng took off all the gems, he took out a bag and carefully placed all of the gems inside. Then, he started to take off the green gems, and after taking off the red, blue, yellow, purple and green gems, he brought Qi Tian and left.

"What are these things for?"

"You'll know in a while."

When he arrived in front of the underground palace, Du Changsheng suddenly stopped