He gets swept into the Sui and Tang dynasties with the "System for Resisting Japan and Saving the Nation."
He thought that if he made his plans early enough, he could rewrite the tragedy of the Xuanwu Gate showdown.
He thought that if he didn't push Li Er too hard, Li Er would have no reason to launch a coup.
He thought that if he dismantled the claws of the Heavenly Strategy Mansion, Li Er would no longer be able to stage a coup.
With that ideal in mind, he plunges into the transition from the late Sui to the early Tang and chooses to support Li Jiancheng.
The succession struggle falls completely out of balance. Ambitious Li Shimin is crushed by his opponent on every front, left helpless and miserable throughout.
On the surface, he takes it easy and slacks off, muttering all day about settling the score in his little ledger. He never fights for power at court, yet every step forward the Tang dynasty takes bears his mark.
The realm is unified, the first signs of the Tang golden age appear, and he leaves without seeking recognition.
But when he returns triumphant from a distant campaign against Japan, he is met with a blood-soaked sight.
In the end, the momentum of history slips beyond his control.
Li Jiancheng is gravely wounded and near death. Li Yuanji is killed on the spot. Li Shimin is also critically wounded, his life hanging by a thread.
Seeing their lord on the brink of death and their chance to share in the founding glory vanish, Yuchi Jingde and the other military commanders of the Qin household fly into a rage and lead their troops straight for the Eastern Palace…
