Accidentally Traveled to the Tubo Dynasty

What if Tubo had invaded Tianzhu first? What if Tubo had become a feudal system? What about the country? What if Tubo blocked the advance of Arabia, Tang, and Uighurs? What about Gong? Dorje, who became a modern man, fell while riding a horse and woke up When I discovered that I had traveled back to the Tibetan period, Zampuchidezuzan As a modern man, how will he continue on the snowy plateau?