Mediumship

Capabilities
User can view ghosts/spirits of deceased and communicate with them, even if they have possessed inanimate objects/subjects/people. They are able to repel and run spirits away from an area, compel to employ an armada of ghosts, and may even view a visual conception of a spirit world in a trance if desired.

Applications
 * Banishment
 * Communing
 * Soul Absorption
 * Soul Sight
 * Summoning
 * Supernatural Detection

Known Users
Comic/Cartoon

Wicked (Marvel)

John Constantine (DC Comics/Vertigo Comics)

Dr. Facilier (The Princes and the Frog)

Jon "the Skeletan Man" (Tarot: Witch of the Black Rose)

Marceline the Vampire Queen (Adventure Time)

The Lich (Adventure Time)

Deadpool (Marvel)

Shirley the Medium (Courage the Cowardly Dog)