The ninth prince was quite satisfied with the performance of the 19th prince, and smiled, "OK, I will let you have a try." With a wave of his right hand, a jade inkstone flew out of his sleeve. The inkstone became a huge inkstone with a length of thousands of feet and a width of hundreds of feet.

the inkstone is filled with sea water. Nine white dragons roar angrily, but they can't escape from the inkstone. Every time they struggled, a white light rose in the inkstone, tightly binding the nine headed dragon, unable to move.

"this is the dragon training pool, in which all the wild dragons captured...