Irresistible Dance shirt You must be able to

You must be able to communicate with the creature to bargain for its services

so creatures entering the area are likely to see through the illusion

it makes the saving throw with disadvantage

The ground in the area becomes difficult terrain

Creatures of those types have disadvantage on attack rolls against the target

Irresistible Dance shirt You must be able toChoose one creature that you can see within range. The target begins a comic dance in place: shuffling, tapping its feet, and capering for the duration. Creatures that can't be charmed are immune to this spell. A dancing creature must use all its movement to dance without leaving its space and has disadvantage on Dexterity saving throws and attack rolls. While the target is affected by this spell, other creatures have advantage on attack rolls against