Hellish Rebuke

From Player's Handbook, page 250.

Description
1st-level evocation


 * Casting Time: 1 reaction, which you take in response to being damaged by a creature within 60 feet of you that you can see
 * Range: 60 feet
 * Components: V, S
 * Duration: Instantaneous

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 increases by 1d10 for each slot level above 1st.

Learned By

 * Classes: Warlock
 * Subclasses: Paladin (Oathbreaker)
 * Races: Tiefling
 * Backgrounds: Rakdos Cultist