C550 Thanks for the Reminder

"Using blood as a sacrifice to the soul. This is the Natal Yin Death Aura."

Bai Yuya exclaimed. Everyone looked at him in confusion. They had never heard of such things before, so they had no idea what it was.

"Elder Bai, what exactly is Yin Buqing doing?" Zi Qingyan couldn't help but ask.

"It will be a little troublesome to explain. People live because their bodies are full of vitality