魔人剣 / まじんけん [majinken] or 'magus sword' in Japanese. References the ability Magic Sword and the job Mystic Knight.
4 Heroes of Light
Type: Ability, AP: 2
Target: self, Duration: battle, Element: -, Power: -
Speed: 10, Fixed Enmity: 5, Volatile Enmity: 10
Learn: Spell Fencer 2
Description: Change weapon element. A more powerful version of Magic Sword
Effect: gives element level +2 to weapon of the element of the spell used. Attack hereafter deals damage equal to element Attack damage x1.6 (first calculate damage normally for Attack of that element, then multiply by 1.6)
Other: usable spells: Fire Blade, Fira Blade, Firaga Blade, Water Blade, Watera Blade, Waterga Blade, Aero Blade, Aera Blade, Aeroga Blade, Quake Blade, Quakera Blade, Quaga Blade
Category: Ability