Great Tang: I, Crown Prince Li Jiancheng, Have Been Secretly Signing In for Twenty Years

Transmigrating as Li Jiancheng, he gained a sign-in System and secretly checked in at the border for twenty years!

His personal combat prowess and an array of strange and wondrous skills had reached the peak of human ability.

He matched Yu Wenchengdu in strength! Captured and executed Yang Guang! Guarded the border! Kept the Turks in check for decades!

He was hailed as the Heaven-Slaying General! He outshone Li Shimin, the Heavenly Strategy General!

His position as Crown Prince was already firmly established, but after Li Er's schemes, he had no choice but to flee through the Xuanwu Gate to the border.

During the Xuanwu Gate Incident, he shot out Li Shimin's right eye and killed several of his top generals!

He conquered Goguryeo, Tibet, and Rome, and swept the Turks from the map!

He founded the Dragon Flame Empire and took the title Dragon Emperor!

On the day of his coronation, all nations submitted to him: Persia, Rome, Japan, and the Arab Empire!

Three months later, Li Jiancheng mustered his troops and set out to personally lead the campaign, fighting his way back to the Tang Empire!

After breaking through Chang'an, Li Jiancheng stood before the Hall of Supreme Harmony and sneered at Li Shimin:

"My foolish younger brother! Why don't you kneel before me when you see your emperor...?"

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.