I Became Emperor in Game of Thrones with a Mount & Blade System

Transmigration + System + Conquest + Management + Rise from Humble Beginnings Mount & Blade + Game of Thrones + Low-Magic, Gritty Medieval Fantasy He transmigrates into Game of Thrones with a Mount & Blade System, becoming Will, a Night's Watchman who is beheaded by Ned from the start. At this point, Ned is still at Winterfell, and the War of the Five Kings is about a year away. Using the Mount & Blade System, Will captures wildlings, forges weapons, and works as a mercenary, gradually building his own power in the chaotic world of Game of Thrones. He grows from a force of one into an army tens of thousands strong. Every soldier is as formidable as a Kingsguard, and they are undefeated in battle. With Will around, the Night King gets slaughtered like a dog, and Daenerys never goes mad. Who could have guessed that a fleeing Night's Watchman would end up sitting on the Iron Throne?