C1625 Death of Blood(part I)

"Backdoor?"

When Shangguan Shiyu heard that, an undetectable look of doubt appeared on her beautiful face, as if she was asking Qin Sheng why he wanted to use the backdoor.

Could it be that this pill formula had some unknown origin?

This fellow didn't steal a certain great power's pill formula, right?

A few terrifying thoughts instantly formed in Shangguan Shiyu's mind.

Just think about it