Armor of Jenova

You summon a colourful aura of aberrant energy around you that harms creatures close to you. Whenever a creature or plant starts it's turn within 5 feet of you while this spell is active, they take 1d10 force, necrotic, or radiant damage (your choice).

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d10 per spell slot level above 1st.