C656 Mabel Was a Genius!

"I clearly remember that I only studied half of it last night. How did I finish it in one night?" Duane muttered with his eyes wide open. "Could it be that... I completed it while I was asleep? No, that's not right! I clearly remember that it was a dream where I slept with my wife. I didn't dream about the cultivation technique..."

He carefully looked at the cultivation technique