Castle of Black Iron

Army Building, Artifacts, Character Growth, Cultivation, Cunning Protagonist, Death of Loved Ones, Demons, Depictions of Cruelty, Determined Protagonist, First-time Interc**rse, F*llatio, Game Elements, Gods, Handsome Male Lead, Hard-Working Protagonist, Harem-seeking Protagonist, Hot-blooded Protagonist, Kingdom Building, Love Interest Falls in Love First, Magic, Magical Space, Male Protagonist, M*sturbation, Monsters, Naive Protagonist, Nationalism, Nobles, Pe*verted Protagonist, Politics, Polygamy, Poor to Rich, Post-apocalyptic, Pragmatic Protagonist, Pregnancy, Racism, Reverse R*pe, Romantic Subplot, Shameless Protagonist, Time Skip, Wars, Weak to Strong, Zombies