I’m the Craziest General in the Three Kingdoms

I transmigrated to the Three Kingdoms era and helped Cao Cao become the most unhinged great general in its history. How can a transmigrator whose actions are often completely unexpected gradually move closer to the goal in his heart? Starting with Cao Cao, he makes small changes to history, setting this ancient people, whose immense strength only emerges when they face annihilation, on a new path unlike the one history took.