Decay Heart

Make a ranged spell attack against a creature you can see within 30 feet. On a hit, the target takes 4d10 necrotic damage. The target must succeed on a DC 13 Constitution saving throw or they take 1d8 necrotic damage at the start of their turn for 1d4 turns, If damage from this spell reduces a creature to 0 hit points, the creature dies, It's heart decaying and rotting away.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d10 for each slot level above 1st.

This spell cannot be cast on creatures that lack a heart.