How did Qq get the tortoise shell fragments at the gate of Chinese destiny?

During the visit of the Oracle of Destiny, every character above level 80 will get 1 complete tortoise shell (draw) when he logs in the game for the first time every day. You can use it as a proof of divination and opening the door of fate.

In the process of opening the door of fate, you may get a prop called tortoise shell fragments. After collecting 10 tortoise shell fragments, they can be exchanged with the Oracle of Destiny to obtain a complete tortoise shell, which can be used to continue to open the door of destiny.

And it is available in the prop mall.