Where can I exchange things for omnipotent fragments in the era of dazzling dance?

Let me take a screenshot to illustrate. First of all, let me introduce the types of fragments and their relationships. For example, in the following two pictures, the fragments in these two pictures can be converted into general fragments, but they also have their own functions, and general fragments are not omnipotent.

Next is the general segment, as shown in the figure.

When you want to trade pieces for things, you can go to this place called Super Prize Pool on the map, as shown in the figure.

Click the mouse to enter, as shown in the figure.

Click and the picture will appear.

Yes, all the pieces here can be exchanged, but every item is a treasure and needs a lot of pieces. The way to get chess pieces can be obtained by lottery, as shown in these three ways.

It takes a lot of gold coins to exchange Dongdong. I hope the landlord will get an early harvest.