The Black Jade Essence was extremely rare in the cultivation world. It was the perfect material for refining Dharma treasures! A fingertip-sized Black Jade Essence was enough to increase the flying sword's quality by several grades. Furthermore, the Black Jade Essence had the characteristic of armor-breaking. If a Dharma treasure refined by the Black Jade Essence was added to the Black Jade Essence, it would inherit the characteristic of the Black Jade Essence. When fighting an enemy, ordinary spirit armor would collapse upon contact and would lose its defensive properties.
"I didn't expect the woman in white to have such a large piece in her hand. I wonder if she has any more." Zhan Feng thought to himself.
Immediately, Zhan Feng nodded at the woman in white and placed the Black Jade Es
