Turning the Sky: Starting from Lu Xiufu

The time of crossing was the eve of the Yashan naval battle, and the Yuan army Zhang Hongfan's fleet had completed the encirclement. In the original history, Lu Xiufu jumped into the sea with the young emperor on his back, and hundreds of thousands of soldiers and civilians died for the country. Let's see how we can use wisdom that transcends the times to turn the tide of heaven and rebuild China in this hellish start of the late Southern Song Dynasty?