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[B]One/three advantages:[/B]
[LIST][*]1.very simple genjutsu shown in the anime so little will be confused with the tech [*]2.takes effect immediately on lower ranked ninja which has been shown genin will be asleep instantly.[*]3.single handsign cha ching.[*][/LIST]
[B]One/three disadvantages:[/B]
[LIST][*]1. range is not ideal but workable. [*]2.will take a few seconds longer to make higher ranking ninja to fall aslepp.[*]3.feathers do not normally just fall in a room or sky.[*][/LIST]
[B]How you would use it in battle:[/B] use it against lower ranking shinobi efffectively maybe on water so they fall into the water and drown quickly and painless. key point painless still in genjutsu.
[B]How you would counter it:[/B] a little pain, deduce the genjutsu, kai as shown very effective against the jutsu.
[B]How you perform it (with as much detail as you can):[/B]yumicika smiles very sly like almost like a snake. with his head tilted slightly down and one eye visible through his hair. he looks at the clone and proceeds to form a single handsign beneath his cloak exetnding the range to the clone. effectively manipulating the clones senses and perception i twist and employ my will into the clone making feather's appear to be drifting down from above and the clone slowly falls into a sleep trance. the clone falls face first to the ground and yumichika and cass simply smile and laugh together.