Ren Yuan, Dressed as Optimus Prime, Trades His Height for Understanding at the Beginning

Travel through the world of Water Margin and become Ren Yuan, a good sumo wrestler. He gave up his height advantage in exchange for extraordinary understanding. He instantly mastered all kinds of sumo wrestling skills and was able to lift huge rocks alone. Knowing that there will be a strong enemy challenge in many years, and foreseeing the troubled times in the future, he decides to seek out famous teachers to hone his skills.