Global Mutation Begins with Swallowing the Monster Crystal Core

[Rebirth flow, dark text, swallowing, evolution, no Virgin plot] Yang Feng, who had struggled for decades after the catastrophe, returned to the three days before the end. Relying on the memory of the future, Yang Feng swallowed the crystal core and became a person with abilities, and even revealed the "immortal cultivator" career book. With the first-mover advantage, he rose from the difficult times to the top step by step. In this life, he will make up for all the regrets in his previous life and turn everything in front of him into a corpse. Even God is no exception! ! ! [The introduction is too weak, please go to the main text]