Reborn in the Doomsday, I Will Build a Prison and Build a Fortress

Won a 100 million yuan grand prize, but the moment he received the prize, he was hit by the doomsday. Wang Yifei fought among zombies for three years, was betrayed by his brother and died tragically. When he opened his eyes, he was reborn half a year before the end. With future memories in hand, he spent tens of billions to buy an abandoned prison and transform it into a doomsday steel fortress! Bound to an exclusive system, only he can safely purify the Source Crystal in the early days of the apocalypse and monopolize the opportunity for evolution. In this life, he will build a fortress kingdom that can cover the sky with one hand in the last days! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.