I Rely on the Memory Palace to Win the World of Fairy Tales

After failing to overcome the tribulation, I was reborn as the only son of an ordinary noble in the world of cultivation with the memories of my previous life. I thought that with my foresight on the trajectory of history, I was destined to have a bright future in this life. Unexpectedly, when he opened his eyes, he was shocked to find that the memory palace contained all the memory details of his enemies in the previous life. The enemy wants to kill me? Sorry, I know exactly where the three moles are on the sole of his left foot. When people in the world think that I am just a second-generation ancestor who relies on my family, I am already using the memory of my enemies to crazily exploit system bugs. Wait, this ancient forbidden technique that destroys heaven and earth in my memory seems to be somewhat useful...