Introduction
Ability to transmit thoughts, images, feelings and subconscious state of mind (or body) to another person at a distance, or receive them, without using any means of communication or manipulation. It can be used for exchange of information and for intelligence, to keep the the enemy at bay, as well as to create a variety of illusions.
Users
Too many to mention. Some of them are:
Professor X
Several Characters from Bastard!!
Kais from Dragon Ball