How come Kakashi can't use raikiri without the sharingan because he moves too fast he gets tunnel vision and is too open to attack, but people like the Raikage can move even faster, with no such issue?
/Threadhis lightning armour gives him neural boost that enhances his reflexes similar to sage mode.
Theres your answerhis lightning armour gives him neural boost that enhances his reflexes similar to sage mode.