In the End of Eternal Night, Create an Invincible Dungeon

(Explain the suspension of updates. Wait until the author solves the survival problem, and then gradually resume updates.) [Rebirth + National Survival + Shelter + Novel Plot + D&D World View + Sinister Protagonist + Non-traditional Routines and Cool Articles! The sun annihilates and eternal night falls! Throw the entire population into the bottomless abyss! The high-rise buildings of the past have become the new underground cities. Desolate plains, twisted jungles, eternal cold nights, deep dark abyss, bloody lava... The underground ruins bury ancient civilizations. In the darkness, alien races with different postures are ready to move... The broken city is no longer enough to protect humans! Fortunately, Li Ren came back with memories of his past life! In this life, he is no longer naive, let alone a Holy Mother! What moral shackles and human glory? In the face of survival, everything is vain! He wants to hold the blood-stained holy sword tightly in his hand, and build an impregnable and invincible dungeon that belongs only to him on top of the corpse that is coveted by all races! "Your Excellency Li Ren, I heard that... The aliens call you 'the devil among devils, the devil among devils'?" Li Ren wiped the wet blood on the holy sword and raised a cold and playful curve at the corner of his mouth: "Slander! Pure slander!" "I just solved a small overpopulation problem for them, and by the way increased the employment rate - let them experience the blessings of 007. Can't stand this little exercise? How squeamish." "As for me?" He raised the holy sword that glowed with blood, and said in a pious tone: "I'm just a little paladin dedicated to maintaining order..."