The perfect Maple boss fight

Well this was something I've been thinking about for a bit. And I came up with an idea too. What if, during the fight, the boss would go in to this state, where it would nullify every attack thrown at it. At this point, you would have to hit it with a certain element to cancel it. So, it'd have an ice state, fire state, lightning state, and a poison state. Each state needs to be hit with its respective magic. And it would need to be a magic attack, otherwise take a paladin and you're set for 3/4. And I want mages included >=O