Time traveled to Li Kuan, King of Chu of the Tang Dynasty. Despite his reputation as a playboy, he activated the All-Talent System, sold off the royal family's wealth, and acquired coal mines that no one was optimistic about at a low price. Coinciding with the snowstorm in Guanzhong, he improved briquettes and coal stoves, which not only relieved the people's cold, but also made a lot of money, which shocked Chang'an. Li Shimin watched with cold eyes, but he didn't know that this seemingly absurd arrangement had just begun.
