Hunger of Hadar

150 ft range, concentration, lasts up to 1 minute.
As an action, create a 20 ft radius sphere of dark-
ness. No light can illuminate the area and
creatures fully within the area are blinded. The
area is difficult terrain. Any creature starting
their turn in the area takes 2d6 cold damage. Any
creature end their turn in the area takes 2d6 acid
damage or half on a successful Dexterity saving
throw.