Dazhou: Reverse Adjustment at the Beginning, Shocking the Old Emperor

Li Xuan traveled through time and became the absurd prince of the Great Zhou Dynasty, just as his relatives forced the palace, foreign races blocked the country, and evil cultivators from overseas came. Fortunately, he awakened the [All Heavens Revitalization System] on the spot. As long as the big factory's slander is bad enough and the modern jokes are cool enough, he can forcibly tamper with the physical constants and initiate dimensionality reduction attacks at will!