The jade slips record the characters of the Xisi tribe. The characters of the Xisi tribe are similar to the three characters "Red Wave Hall", and similar to the "blue and white imprint" of the Blue and White Cave Mansion, which is very mysterious. Being able to create such words shows that the Sith have completely surpassed their own civilization. So the Sith tribe just invaded their own side and there were a lot of supremes!...