Telepathy

Telepathy is the magical ability to read someones thoughts and emotions.

The shows first explored the power of telepathy in season 6 episode Legend of the Sleepy Halliwell when a boy at magic school had this maical ability. He used this power to tap into peoples powers like Piper's, causing all the room to freeze.

However it wasn't until much later until a powerful telepath was introduced onto the show as Christy Jenkins, Billie's sister. Christy was by far the most telepath on the show. When activating this power Christy would rub her temple while she got a psychic connection with that person until she could channel thier thoughts and emotions. sometimes she could read and project thoughts with little effort and concetration and other times her power would be unwillingly activly if Christy senced a powerful vibe from someone expecially if they were demons. This was referred to as a 'hit', and allowed her to disquish good from bad. Although she was only in a few episodes, she used her telepathic abilities often and would use it for such things as talking to people psychically, excpecially with her sister, reading minds, getting 'hits' from demons and creating a large pulse of psychic energy that has the strength to throw demons into walls. Although Christy never channelled powers, she once used it to channel a spell that the charmed ones were casting, and so could reap the benefits from that spell (in that case taking them to the demon). Christy telepathy aided her in minipulating Billie into killing the charmed ones against her will. Although Christy was powerful, she was nowhere near Billies power, and as the key, needed Billie's projection power to reach her full potential.