Eddie's Devilish Defecation

Uttering foul words and conjuring forbidden magic, you cause the bowels of a creature to rumble. Choose a creature that you can see within range. The target must succeed on a Constitution saving throw or be effected for the duration. A creature that does not have to eat or drink is unaffected. An effected target immediately soils itself, and continues doing so. This unfortunate effect causes the target to move at a slower pace, reducing 10 feet from its speed for the spell's duration, and causing it great discomfort. It also must make a Constitution check to at the beginning of each of its turns in order to continue concentrating on any spell or effect that relies on its concentration. the target can make another Constitution saving throw, separate from the one used to maintain a spell it is concentrating on. On a success, the spell ends on the target.