"The Heart of Kandrakar is the Heart of a World, the source of magic for a world. Will possesses the actual Heart, and it contains the five elements that make up a Heart: Earth, Fire, Wind, Water and Quintessence or the Heart." explained Matt as pink light swirled around the interior of the containment bauble.

"It can be used by a group of Guardians for that world. Most of the time a Heart is contained within an item or person. Every world has one, or at least that's how it goes."