Zheng Fa's first encounter with the Secret Technique "Yin Yang Union" left him somewhat incredulous—
The principle behind this technique, as summarized by Zheng Fa, involves the following process:
Heat certain gases into a plasma state using high-energy rays.
Constrain the motion of this plasma using a magnetic field.
Then, wait for the bangs!
Isn't this...just a magnetic confinement nuclear fusion device?
Of course, since Zheng Fa's Spiritual Power and Divine Soul are limited, the particle stream he can heat and capture is minuscule, and the energy is not as tremendous—or rather, not as imposing as the term "nuclear fusion" sounds.
But it is still nuclear fusion!
So when Zhang said that the "Yin Yang Union" was a type of simulation of the Golden Core, Zheng Fa confirmed—Golden Core is likely a kind of nuclear reaction device.
