The Unstoppable

After Duan Fei died, he unexpectedly reincarnated back to 20 years ago, just a few hours before the devastating virus outbreak. Duan Fei could finally make amends for the regrets he had in his previous life for the past 20 years. He utilized the knowledge he had accumulated over 20 years in his previous life to arm himself in this world. Even after obtaining the Evolutionary Tree, he continued to enhance his strength. Duan Fei, who could barely survive in his previous life, became a world hero in this life...