From the back cover:
At the beck of Fez, a time traveling Wizard, you begin an adventure unlike any other. No matter how courageous are you characters, they will view the dread challenge through different eyes. Claw your way through opponents and hazards on a mission for ANGRY WIZARD.
He has guaranteed each hero or conjurer the time of their lives, soon you realize that it may be the time of your death instead. Ah, but the wealth and magic beckon you forward.