What is Genjutsu

[Gage Hatake]

I understand that genjutsu manipulates your senses and all, but when someone uses a powerful one like Tsukuyomi can they not move or have it affect multiple targets at once?

 

[Shadow Phantasm]

Tsukiyomi needs the victim to make eye contact with the user in order to work,but once activated the person can move in the illusion however in real time both the user and the victim are standing completely still.

 

[UchihaNagashi]

Genjutsu is simply this;​

Genjutsu (幻術; Literally meaning "Illusionary Techniques") are techniques that are employed in the same fashion as ninjutsu, requiring chakra and hand seals. However, the primary difference between the two is that the effects of genjutsu are illusory; instead of attacking the victim's body, like taijutsu or ninjutsu, genjutsu techniques manipulate the flow of chakra in the victim's brain, thus causing a disruption in their senses.

Tsukuyomi is this;​

It is unique to the Uchiha clan and only those who have awakened the Mangekyō Sharingan can perform it. It is said to represent the "Spiritual World and Darkness" (精神界と闇, Seishinkai to Yami), the antipode to Amaterasu — a ninjutsu of similar power.[1]

Tsukuyomi requires eye contact to be performed, trapping the target within an illusion completely under the user's control. Itachi's prowess with the technique has allowed him to alter the perception of time with ease within the genjutsu to make a few seconds seem like many days as a means to torture the target. This results in the victim suffering psychological trauma that incapacitates them for a considerable period of time.

I don't know your point, but I guess this helps a bit.​

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[Smd]

genjutsu is the thing that solos the bijuu and minato and kakashi

 

[dark legion]

Genjutsu is yin release . a tech . to create false images into nervous system
1.Mizukage affect in a lot of people , cuz of his genjutsu 's source , which was the mist of his clam .... so if someone was in the area of that mist , gets in that genjutsu .. 2.as for tsukoyomi ... lets take example Tsuki no Mei... If someone looks at the red moon , he gets into that tsukoyuomi .. ( it's just like a huge sharingan , and can control 100,1000,10000,1mil people who looks that eye).

 

[kuramamode]

didn't itachi put someone under a genjustu by looking at his ring?

 

[Owarij]

I understand that genjutsu manipulates your senses and all, but when someone uses a powerful one like Tsukuyomi can they not move or have it affect multiple targets at once?

Normal genjutsu can stop you from moving
Normal genjutsu can affect multiple targets at once

Tsukyomi is just a more powerful genjutsu that can't easily be broken by normal means