A warhammer with liquefying powers.
Forged from the stuff of legends by a great Sacre-Sorcerer. Grants the wielder a variety of different powers throughout the day and night.
Somehow, someway, a band of gnomes learns how to be ninjas. In fine gnomish style, they open an academy to teach this art to other gnomes. Wacky Hijinks ensue. Or the gnomes become some of the finest assassins in the land. Or both.