Unlimited Superposition!
Ever since the last time Arthur used this ability, while it was indeed powerful, but Arthur realized that the side effects were too great
Thinking of the scene where every time he used it, he had to be bedridden for a few months, to him that was not acceptable
As a martial artist in his past life, he had seen all kinds of explosive self-harming moves, created where you were willing to perish as long as your opponent died
In his past life, these were called, pure killing martial arts
Meaning they were meant for nothing but to kill your opponent
However, Arthur in this life had no intentions of dying for any reason, and because of that he began studying a better way to use this ability
And one of the ways he came up with was concentrating all that power into certain parts of his body, rather than his whole body