I Want to Defeat the Country

I traveled through time and became the Emperor of the Tang Dynasty, and also obtained a system. Has the system issued a mission? "Main Selection Mission 1: Defeat the Tang Empire, reduce the national luck value to less than 10, and reward the fully equipped version of the Holy Demon Yuan Fei!" "Main line selection mission 2: Increase the national luck value to 100W to get the Emperor's Seal! Note: The current national transportation value is 2100" What should I do? Li Yin: Of course the country was defeated! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.