The power of Energy Transformation is that the Gang Qi can adhere to the palm of the hand. Chen Jie had seen an Energy Transformation Master unleash moves.
When they struck, their palms would emanate a faint glow, which was the Gang Qi.
A type of power similar to Inner Strength, yet different from it, distinguished by its external release.
And Energy Transformation could achieve the adhesion of Gang Qi to the body, such as on the palms, so that they could withstand the blow of swords and sabers.
Of course, if your Gang Qi was strong enough, you could also cover swords and sabers in it.
Creating a protective layer on the sword, and such Gang Qi would differ in color depending on the Cultivation Technique practiced.
That is the formidable aspect of Energy Transformation.
And the third piece of information mentioned something beyond Energy Transformation.
Above Energy Transformation was the Qi Blood Holding Core Realm.