Hellish Rebuke

1st-level divination
Casting Time:1 bonus action
Range:90 feet
Duration:Concentration, up to 1 hour

You point your finger, and the creature that damaged you is momentarily surrounded by hellish flames. The creature must make a Dexterity saving throw. It takes 2d10 fire damage on a failed save, or half as much damage on a successful one.

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