Mechanical God Emperor - 1369. Maybe it's a leave slip

Androids, Antihero Protagonist, Aristocracy, Army, Army Building, Artifacts, Artificial Intelligence, Beastkin, Bloodlines, Body Tempering, Clever Protagonist, Cultivation, Demons, Domestic Affairs, Dragons, Evolution, Firearms, Generals, Gods, Hard-Working Protagonist, Hiding True Identity, Immortals, Kingdom Building, Knights, Leadership, Magical Technology, Male Protagonist, Monsters, Multiple Realms, Nobles, Polygamy, Power Struggle, Proactive Protagonist, Religions, Romantic Subplot, Ruthless Protagonist, Slaves, Strength-based Social Hierarchy, Sword And Magic, Technological Gap, Time Skip, Transmigration, Transported to Another World, Wars, Weak to Strong