Isshiki has a unique dojutsu in his right eye that allows him to use Tsukunahikona, a technique that enables him to shrink himself or any non-living object and later restore it to its original size. After shrinking a target he is able to use another technique called the Daikokuten to transport the targets to a pocket dimension where he returns the targets to their normal size. This size change is effective in combat and can surprise the opponent