Chromatic Veil

You manifest a whirling veil of energy that engulfs you and extends an aura of its effect to a 5-foot-radius around you that lasts for 3 rounds. Choose acid, cold, fire, lightning, poison, or thunder for the type of veil you create. You have resistance to the damage type you chose for the veil's duration. Any creature that begins its turn within the veil's aura for its duration takes 3d8 damage of the type you chose and all objects not being held or worn by a creature within its area take this damage at the beginning of each of your turns. You may choose to exclude any number of creatures or objects from this aura's damage, so long as you are aware of their presence. At the beginning of your turn when this spell ends, it deals one last instance of its damage to all creatures you don't choose to exclude within the aura's area of effect. This veil and its subsequent aura sheds a bright light for a distance of 20 feet (centered on you) and dim light for another 20 feet beyond that. 

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the damage increases by 1d8, the duration increases by 1 round, and both the distance of bright and dim light created extend by 5 feet for each slot level above 2nd. When casting this spell using a spell slot of 4th level or higher, the radius of the aura this spell creates is increased by 5 feet for every 2 slot levels above 2nd.