Rock Troll Memory Magic

Rock Troll Magic is a type of Magic featured on ABC's Once Upon a Time. It first appears in the fifth episode of the fourth season.

Uses
Rock Troll Magic is the magical ability to remove, store and return other people's memories using magical purple rocks. It is not unique to Rock Trolls as it can be learned and practiced by other wielders of magic.

Practitioners

 * Grand Pabbie
 * Ingrid †