Hoarding Billions of Skeletons, I Will Become a Natural Disaster of the Undead

Apocalyptic game + national data + decisive killing + no heroine + gathering supplies + summoning The apocalyptic game has arrived, and the rules of the world have been overturned. Demon corpses are raging, ferocious beasts are rampant, aliens are invading... Li Hanzhang returned to the past with the Eternal Book, the treasure of the dead. Do you need materials to summon skeletons? Just hoard a billion bones! Are skeletons too weak to be useful? Harvest and strengthen the plundering talent! Use your hand blade to trap your roommates and slaughter your unkind and unjust family! Seize the opportunity from roommates and awaken as an SSS-level professional undead monarch. Let's see how Li Hanzhang waved his hand to summon the undead and natural disasters, and killed enemies, monsters, aliens... All of them! Billions of skeletons serve as soldiers, and millions of bone dragons serve as generals! Climb to the top of the world, sit high on the Skeleton Throne, and achieve endless domination!