The Word of Radiance

You utter a divine word, and a burning radiance from your Holy symbol erupts from an area of your choosing within 20 ft. Each creature within a 10 foot radius must succeed on a Constitution saving throw or take 1d6 radiant damage.

The spell’s damage increases by 1d6 when you reach 5th level (2d6), 11th level (3d6), and 17th level (4d6).