This was not Oguri Hayashi's guess; it was stated clearly in that booklet.
And in this world, only those who cultivated methods like the Lightning Release Body Cultivation Technique had the qualifications and physical ability to train in the Six Powers.
The booklet stated plainly: when Kami-e was trained to its utmost limit, that would be the moment Observation Haki—the ability to understand the hearts of others and hear the voices of all things—awakened.
The same applied to Iron Body.
As for Soru, Moon Walk, Tempest Kick, and Finger Pistol, they were all applications built around those two powers.
Kong Zhange's Iron Body training was lacking. He had probably only obtained it recently, but he used Moon Walk and Soru well. Those were combat techniques he had managed to pick up quickly through his own physical prowess, though they still could not match Oguri Hayashi.
But for Oguri Hayashi, this was exactly what he needed. His body had gradually surpassed the techniques of the My Style Secret Technique. Martial arts that could only bring out the limits of an ordinary human had long ceased to satisfy his ever-improving body.
The strength of his body had gradually surpassed that of the original Invincible Superman, and naturally, the techniques of the Invincible Superman style could no longer satisfy him either.
The Six Powers had arrived at just the right time. Oguri Hayashi could use them to further strengthen his body and techniques. It would be even better if he could cultivate Haki.
He did not have high expectations for that. If even Rob Lucci, CP9's most talented member in eight hundred years, had been unable to cultivate Haki, then Oguri Hayashi did not hold out much hope for it either. (Though he would cultivate Armament Haki two years later.)
After obtaining the