Ray-Flicker Technique.

Ray-Flicker Technique (光線舜臣, Kōsen-Shunshin) It is a technique of instantaneous movement (瞬身の術, Shunshin no Jutsu) that consists of moving the body at high speeds, allowing to go to short or long distances at a speed almost impossible to see. It receives this name due to when it disappears a flash is generated that distracts the enemy, which looks like lightning.