chapter 423 The Crazy Immortal's Letter of Invitation

"It's actually the Human King Pill!"Cyneburg Wu eyes lit up. The jade brick contained an introduction to the Human King Pill, but there was no detailed recipe. Taking the Human King Pill could start the evolution of humanity.

Human evolution is very slow, and only after practicing to a certain level can it accelerate evolution. Generally speaking, genetic evolution can be started when one reaches the Earthly Immortal Realm. However, this Human King Pill can directly start human...