Tang Dynasty: Pretending to Be an Illegitimate Child of Jiedushi at the Beginning

"Pen and ink are used as swords, and documents kill people! The soul of a contemporary philology master traveled through the lonely city of the late Tang Dynasty and was on death row. In order to survive, he forged his identity and infiltrated into the government by pretending to be the illegitimate son of Jiedushi. A secret parchment letter from a Tibetan spy? I can tell how long the ink has dried, and I can see through it easily! The iron deed of a century-old family? I can tell the difference. Paper fiber, cut it off! Is the fish talisman issued by the imperial court worthy of me? I can even copy the secret seal! In this Shazhou, where documents are the authority, let's see how I can use my mastery of "forgery" to change the world from a fake illegitimate child to a real prosperous age!"