Besides being synthesized, you can obtain Magic Boosts by completing certain Moogle Lists: * Obtain 40 synthesis material types * Obtain all Serenity materials To synthesize you must first have found the Skill Recipe and created an AP Boost. Then with the following materials, you can make a Magic Boost: * 1 Mythril Gem * 3 Power Crystals * 3 Dark Crystals * 3 Frost Crystals * 1 Serenity Crystal