Avatars Starlight

You channel your inner divinity and summon forth a miniature star, which shoots forward rays of starlight at your enemies, and after a delay of 1 round it explodes in a 20ft Sphere on the enemy you targeted with this spell requiring all enemies withing the radius to succeed a DEX save or take 6d10 Radiant Damage.

This spell deals 6d10 Radiant damage after 1 rounds, and an additional 16d4 on the first round, split into four attacks of 4d4.

On an upcast, each additional spell level used will add an additional 1d10 & 4d4.