All creatures in a 20-foot-radius sphere centered on you that have fewer hit points than you when you cast the spell are compelled to dance a swaying, side-to-side shuffle-step. Any creature that can’t be charmed is immune to the effects of this spell. An affected creature has its movement halved, cannot use reactions, and can make only one weapon or spell attack on its turn. At the beginning of its turn, a creature in the area can choose to take 1d4 levels of exhaustion to end the effect of this spell on itself.   A creature that has gained levels of exhaustion from this spell can remove all of them upon finishing a short rest.