Hitayoshi sent the ultimatum to his country. The koreans did not yet fully grasp what they had just done. They hadn't faced a large scale conflict in generations. Most of the men serving in the korean military had little, if any, real combat experience. According to one korean official, not one in a hundred officers knew the methods of drilling soldiers. So he sits down with his shipbuilders and starts drawing up a prototype, a prototype for a secret weapon. And it worked. His men were soon some of the bravest and the most disciplined soldiers in the entire korean military apparatus. But yisun shin wasn't content yet. He also had