Demonic Illusion: Mirage Crow

This genjutsu traps a victim in a powerful illusion, with no necessary eye contact; similar to Ephemeral. However, direct eye contact can still be applied when using this technique. When used, the genjutsu projects a torrent of crows, leaving the opponent at the user's mercy.

Trivia

 * "Shin" (蜃) is a kind of aquatic, shape-shifting dragon, in the form a giant clam. It is said to be able to cause mirages and Fata Morganas. In fact, its name has become almost synonymous with "mirage": in Japanese, the word for "mirage" is.
 * This technique's name was provided in Naruto Shippūden: Ultimate Ninja Heroes 3, but it was not named in neither the manga nor the anime.