C74 Purple sun body refining technique

The moment this piece of cloth appeared, Tie Muyuan could feel a throbbing sensation coming from his book, which was extremely strong.

Tie Muyuan looked down at the rag and couldn't help feeling puzzled. Could it be that this was a defective item? It was already damaged?

However, if it was damaged, how could it cause the Book of Talisman to fluctuate?

All of a sudden