A world whose lands are made up of huge terrain spheres that rotate constantly with most portion underwater. As time passes, the shape of the bodies of water change, landmarks shift inside the new border lines, and mountains tilt to different degrees. Land dwellers are gypsies that can never build anything permanent, and somewhat ironically, the only stable settlements are large structures built at sea.
A Magical Hat that has only enough magic to stay on its wearers head, in spite of wind, falling, or even being turned upside down. The owner, never having to pick up his hat gains an extra swagger to his step, and a small boost to charisma.