[Half Step Crushing Fist], as its name suggests, was a move that released a powerful punch when the user was taking half a step.
Rumour has it that this boxing technique originated from a Xing Yi Quan (a type of Chinese martial art) Martial Artist that was trapped in prison. The Martial Artist was similar to Wang Yu's current predicament and had both his arms and legs chained together. However, to a Martial Artist, even if you are able to chain all of his limbs, you will never be able to chain his heart. Thus, that particular Martial Artist was able to create this boxing technique even when he was chained and locked in prison.
The Xing Yi Quan was a boxing technique that emphasized on one's ability to release his power and was a rather vicious boxing technique. The [Half Step Crushing Fist] was one of the pathways of this Martial Art that had the most explosive power. Thus, its explosive strength was exceptionally high.
