Three Kingdoms: I Tell Cao Cao from the Start That I've Transmigrated

In 189 AD, Cao Cao's attempt to assassinate Dong Zhuo failed. As he fled Luoyang, he was intercepted and unexpectedly rescued by a young man.

Cao Cao: "Who are you, sir? Why did you save me?"

Chen Xun: "I'll drop the act and come clean. I'm a transmigrator from two thousand years in the future. I know all of history, which means I know your future!"

Cao Cao: "If you're a transmigrator, why didn't you go see Dong Zhuo? Why save me, a fugitive?"

Chen Xun: "Dong Zhuo is nothing. You're the traitor to the Han dynasty, and you're just one step away from becoming emperor!"

Cao Cao: "Impossible! Absolutely impossible!"

Years later, with the help of the transmigrator Chen Xun, Cao Cao raised an army in Yan Province and swept north and south, defeating the Yuan brothers and wiping out Liu Biao of Jing Province...

Cao Cao unified the realm ahead of schedule.

Cao Cao asked Chen Xun, "Does history really not record the part where I became emperor?"

Chen Xun: "Well..."