Decanter of Endless Water

The Decanter of Endless Water was an item inside Steve the Gnollem, that he used to shoot beams of water from his mouth, or sometimes to provide a refreshing drink to his friends. It was revealed in Episode 204 - Time to Save the World. Again. that Steve didn't have to eat, so he had the decanter is where an esophagus would be and can stream water from his mouth.