Late Sui Dynasty: Starting from the Protector of the Country

He was the fourth son of Emperor Wen of the Sui Dynasty Yang Jian and the younger brother of Emperor Yang Guang of the Sui Dynasty. He was also the youngest champion in history. Ten years ago, he destroyed the Chen Dynasty, abolished the Western Liang Dynasty, unified the world, expanded the territory, made unparalleled military exploits, and was granted the title of Lord Protector. Just when he was about to succeed to the throne and proclaim himself emperor, he suddenly disappeared and fell asleep for ten years. Ten years later, he returns. Emperor Yang Guang of the Sui Dynasty was killed, Yu Wenhua and the mercenaries in Yangzhou City proclaimed themselves kings, the Eighteenth Route Army rebelled against the king, and the Li bandit rebelled in Jinyang and took over Chang'an. The world of the Sui Dynasty was in danger! Ten years later, the world-famous Protector Yang Yu returned. Kill Yu Wenji, destroy the Eighteenth Route Army against the king, kill Li Yuan, and pacify the Central Plains! Slaughter the Xiongnu, destroy the Japanese, kill the Goryeo, and point your sword at the world! Wherever the soldiers go, they are invincible. The iron cavalry stepped on it, could it be the king's soil?