Hydaelyn

You hastily manipulate light aspected aether to cause an eruption of light beneath an enemy within range. All creatures in a cylinder with a radius of 10ft. and 30ft. high must succeed on a Dexterity saving throw or take 4d8 radiant damage. If any of the creatures have already taken damage this turn, they take an additional 2d8 force damage. At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d8 for each slot level above 3rd.