C482 Refining Returning Energy Pill

Lee Yifann's blood could temporarily slow down the zombie poison. This was something that Hong Fu had tested, and the fact that the Origin Returning Pill could clear away poison was something that Lee Yifann had unintentionally learned from An Qianqian.

As expected, there was a connection between the two halves of the halo. However, refining the Origin Returning Pill was too cumbersome