"Cool Psynergy series"@en . "Cool, Supercool, and Megacool are a series of Mercury attack Psynergy featured inThe Lost Age. It is available to the Mariner Class series. Hence, Piers is the only Adept that can use this series of Psynergy. In Dark Dawn, Amiti learns this series as well. Image:PsyCool.jpg"@en . "Cool, Supercool, and Megacool are a series of Mercury attack Psynergy featured inThe Lost Age. It is available to the Mariner Class series. Hence, Piers is the only Adept that can use this series of Psynergy. In Dark Dawn, Amiti learns this series as well. Image:PsyCool.jpg"@en . . . .