When Naruto released Harle, he said: "In Harle's world, space, time and quality are all at my disposal". The Japanese version is as follows:

Moon, world, space, time, quality and completeness.

Harle was started by Uchiha Itachi's left eye (Harle used the illusion of removing filth and reincarnating in the animation). At the same time when Harle started, as long as you see the other person's eyes, there will be an unknown plane in front of his eyes.

In this world, all factors, including time, place, quality, geographical location, etc., are dominated by the performer, thus giving the opponent a devastating mental blow. It was once called the strongest mental attack (corresponding to the strongest physical attack photo of Kaleidoscope sharingan).

Extended information:

Principle of action: Generally, illusion is to disturb the opponent's senses such as vision and hearing, so as to achieve the purpose of performing magic, while Harle is to pull the enemy into the Harle world, thus hitting the enemy's spirit. If the companion is under illusion, Harle can also be used to enter the companion's spiritual space to eliminate illusion for the companion.

In Harle space, all space, time and quality are dominated by the will of the performer. No matter how strong the body is or how agile the speed is, it is invalid in front of Harle!

Harle is called "the unbreakable illusion" because no matter how long it lasts in the illusion space, it is only a moment in reality, and it is over before it can be cracked.

If Harle is successfully launched, it will cause great mental damage to the opponent. Kakashi and Sasuke were both in a coma for about a week after winning Harle.