Defying Fate in Shanhaiguan: Double-Major Wu Sangui's Founding Record

A master with a double major in modern history and physics, when he opened his eyes, he was transported to the beginning of hell in 1644 by Wu Sangui! Chongzhen Meishan hanged himself, his father became a prisoner, and his beloved concubine was kidnapped. In front of him were Li Zicheng's 60,000 bandits, and behind him were Dorgon's Eight Banners cavalry. He only had 50,000 remaining soldiers and seven days of food and grass. One wrong step would be an eternal traitor and the death of his family. Rely on historical prophets to see the general trend of the world, use hard core physics to build great passes, modify gunpowder, calculate ballistics, and make artifacts. Do not surrender to Chuang, do not surrender to the Qing Dynasty, do not support the Southern Ming Dynasty, use Xiongguan as the foundation, use iron and blood as the blade, use dual degrees as the golden finger against the sky, Fight your way out of a desperate situation, wipe out the rogue bandits, drive out the Tartars, settle the situation, finally abolish the old dynasty, and create a new country! It's heart-wrenchingly tortured, bursting with pleasure, and hilarious. Every step is accurately calculated, and every chapter is full of climaxes!