The Necromancer's Crazy Hoarding of Soldiers in the Apocalypse

【The false necromancer, lacking in soldiers, is ostracized and pursued.】【The real necromancer, countless skeletons, becomes a dominant power.】After Wu Heng obtained the two-way portal, he discovered that the original world was filled with zombies.When the plan to be a trader failed, he began another plan to survive.Wu Heng chose to become a 'necromancer'.The Otherworld doesn't allow summoning the undead? The whole planet in the apocalypse is a source of soldiers.Can't survive in the zombie world? Then I'll live in the Otherworld and learn skills.From then on, a zombie army equipped with modern weapons appeared in the world.Disasters are approaching, millions of skeletons.Undead bone dragons, the undead king.(Two-way portal + Necromancer + Magic + Fantasy world + Undead disaster.)