The Road to Death

"Why doesn't Your Majesty use gunpowder to bring peace to the world?" In his later years, his favorite concubine once asked. He smiled and said nothing, only looking to the south - there was the first waterwheel he improved when he was thirteen years old, and it was still turning in the fields of Jiangxia. "The Path to Destruction" The most silent transformation of a time traveler, A gentle revision spanning seventy years. He knew everything, but chose to let history wake up on its own.