In the third year after the end of the world, Lin Yan was framed as a traitor and exiled to the death penalty area. After awakening the [Eternal Fortress System], he can transform buildings into undead legions, and sign in every day to unlock doomsday weapons such as Titan mechas and quantum turrets. In order to investigate the truth of the betrayal, he disguised himself as a wanderer and sneaked into the dungeon, using a mechanical puppet that could be infinitely resurrected to infiltrate the seven major forces. When his former comrades discovered that he had returned with the 300-meter-tall Star Destroyer Fortress, the man who should have been infected and turned into a zombie was already standing on the top of the human parliament building, followed by 30 million immortal warriors condensed from the ruins.
