Telepathic Illusion is a very powerful ability which Isamu Yamanaka has managed to procure by training his natural gifts for many years - with this, he's capable of creating realistic illusions in the minds of his subjects; as well as set in motion imaginary events which aren't actually occuring but which seem real for those whom experience them; Isamu is capable of projecting these illusions into anyone within 15 meters reach of his current position without any preparation - and can further expand this sphere of influence if he finds it nessecary; albeit doing such is quite taxing on his psyche. The illusions works much like several powerful Genjutsu with the exception that Isamu can make anything happen with his illusions, as opposed to simply using a single prescripted illusion which is