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 * The Dragon Disk (voiced by Julie Lemieux) – An ancient and all-powerful golden disk of immeasurable mystical power that assigns future generations of four new Mysticons when the time comes.
 * Arkayna Goodfey (voiced by Alyson Court) – Crown Princess, and Mysticon Dragon Mage, who is the fearlessly brave leader. Her signature color is dark green. She wields a dark green-colored, mystical staff as her Mysticon weapon. Her griffin companion is named Izzie. Initially, she disliked learning more of past Mysticons from her mother. Her symbol of mystical power is the dragon, which she gained in "How To Train a Mysticon." Her dragon mage spellbook is large and dark green.
 * Emerald Goldenbraid (voiced by Evany Rosen) – A dwarf nicknamed Em, who works as the royal family's griffin wrangler and Mysticon Knight. Ironically, her signature color is not emerald green but purple and, at times, pink. She can erect a purple orbicular shield around her and her fellow Mysticons. Her griffin companion is named Topaz. She is known to be "the heart" of the team. Her symbol of mystical power is the unicorn.
 * Zarya Moonwolf (voiced by Nicki Burke) – An orphan who does her best to help other poor kids on the street and the Mysticon Ranger. Her signature color is dark blue. Her weapon is a shortbow from which she fires an array of mystical arrows. She is known as "the muscle" of the group. She first named her griffin "Stinky" because of his breath, but due to his extreme dislike of the name, she later gave him the name Archer. Her symbol of mystical power is the wolf. She is expelled from the team in "Scourge of the Seven Skies" and heads off alone, but is forgiven and becomes Mysticon Ranger again in "Lost and Found".
 * Piper Willowbrook (voiced by Ana Sani) – An elf orphan who follows along with Zarya to help poor people and Mysticon Striker. Her signature color is yellow. Her weapons are three mystical orange hoops that act as boomerangs and can render enemies unconscious. Her griffin companion is named Miss Paisley. She is known as "the party bringer" of the team. Her symbol of mystical power is the phoenix, which she had obtained in "The Mysticon Kid".