Dance of Corpses

Corpse dance raises all dead in a 15 foot radius, They will begin to dance as if in a ballroom, if disturbed all nearby undead will turn their attention to the person/creature that disturbed them, promptly dragging them into the middle of the crowd, forcing them to dance until disturbed again or until the person casting/person in the center dies or stops the spell, the effect of the spell range from level to level, it begins as a simple trap, slowly escalating to a full blown ballroom, which causes these effects, fatigue, dread, and fear, which make the creature its used on a disadvantage on any rolls used to escape or harm the undead.