From Yone's understanding of the information he received, the Domain martial arts technique wasn't a simple ability that anyone on this continent could easily comprehend.
There was a reason the old man had used the word "brief" when explaining the various techniques.
It was deliberate, as martial arts and items of this level couldn't be fully explained in just a few sentences. They contained layers of depth, and complexities that even their creators might not fully understand or grasp in terms of their true and extreme potential.
The Domain technique, in particular, allowed its user to control a specific area—up to a two-meter radius—in any space within their line of sight, granting them a certain level of influence over that zone.
