Meng Bai gave a cold laugh. "A Blood Seal? Blood Master, you truly take me for a fool who knows nothing of what a Blood Seal is."
Thinking back, the reason Kong Sandao had been able to advance to Fetus Transformation Level 7 in such a short time was precisely because of the Blood Seal.
Ancient texts recorded that when a Blood Seal was first planted, it was indistinguishable from a normal person; at the same time, the Blood Seal would burn the cultivator's very foundation to help them advance rapidly.
Chapter 206