The Challenger's Buster

<Special Options>\nCasting Spd. +15%.\nM. Skill Critical Rate +5%, Magical Skill Critical Damage +10%. \n\nCannot be enchanted, crystallized, appearance modified, soul crystal enhanced, augmented, or assigned with attributes.\n\n<How to Upgrade>\nUpgrade to an Enchanted Challenger's weapon through the Dimensional Merchant with a Challenger's Weapon Upgrade Ticket.