The starting point is Xuanwumen?
Li Jiancheng opened his eyes and heard someone announcing outside the door: "Second Young Master invites you to discuss something. This is a matter of persuasion."
It took him two seconds to realize that it was now 617 AD, nine years away from the arrow.
Nine years. Enough for him to play chess from scratch.
In the meeting hall, Li Shimin was making an impassioned speech. Li Jiancheng listened silently and then said three sentences.
From that moment on, the way his good brother looked at him would never go back.
Raising troops in Jinyang, taking Chang'an in the west, and conquering Luoyang in the east... He was at the forefront of every step.
Until one day, Li Shimin came to the door, pressed his sword and asked: "Brother, who are you?"
Li Jiancheng smiled: "I am your brother. But it may not be the same in the next life."