In reality, a pure lightning structure as orderly as [Thunder Spear] cannot exist, because such a vast amount of energy gathered into one block would interact with itself and explode, unable to maintain stability at a certain level like this.
"This is a mid-class Magus."
"Breaking old, worn-out templates, creating a variety of templates that are much more diverse and flexible according to the Magus's own wishes rather than being forced to follow natural laws."
"By this point, the Magus has gradually escaped ordinary constraints."
With that, the [Thunder Spear] decomposed to form four [Thunder Bullets], one of which was smaller than the other three. They rotated together.
For a low-class Magus, this asymmetry would cause all four [Thunder Bullets] to lose control and crash into each other, just like before. However, the four [Thunder Bullets] still rotated obediently and orderly on Kain's fingertip.
