Imperial Son-in-Law: From Exiled Prince to Eternal Emperor

Banished to the frozen wastelands as a disgraced prince, he refuses to accept defeat. Armed with knowledge from another world, he transforms barren lands with revolutionary inventions—potatoes to feed armies, cement to build empires, and cannons to shatter barbarian hordes. Taming fierce warrior women, recruiting legendary heroes, and forging an unstoppable military machine, he rises from exile to become the King of the Northern Frontier. But his ambition doesn't stop there. Court conspiracies? He'll crush them with overwhelming might. Ancient dynasties? They'll kneel before his vision. This i…