C686 Purifying Spirit Seal

"Purifying Spiritual Seal?"

Yue Xun blinked his bean-sized eyes. Clearly, he was very puzzled by this name.

Lu Yang explained, "This kind of Purifying Spiritual Seal is a type of Spiritual Seal. It is an extremely special existence in the world. They have no physical form, but they can communicate with the power of the heaven and earth. If a cultivator can master this kind of Spiritual Seal