The Mystic Seekers were the only Mabu who were willing to travel to the Radiant Isles to harvest the mystical energies of the Radiance.
In the events of Spyro's Adventure, the Mystic Seekers were enslaved by Hektore, a fearsome invader who had forced them to create the Dark Mirror. After the Seekers did their part in creating the Mirror, Hektore used its power to shroud the Radiant Isles from the rest of Skylands to keep the Seekers' power for himself. He later imprisoned the Mystic Seekers in various areas of the Isles, but soon the new Portal Master and their Skylanders freed them from their prisons. The Mabu later played their part in powering the Shattering Sigil that destroyed the Dark Mirror.