Evo
Hellish Rebuke
1st-level Evocation · XPHB, p. 284
Casting Time1 reaction (which you take in response to taking damage from a creature that you can see within 60 feet of yourself)
Range60 feet
ComponentsV, S
DurationInstantaneous
Saving Throwdexterity
Damage Typefire
ClassesWarlock
Description
The creature that damaged you is momentarily surrounded by green flames. It makes a Dexterity saving throw, taking 2d10 Fire damage on a failed save or half as much damage on a successful one.
At Higher Levels
Using a Higher-Level Spell Slot: The damage increases by 2d10 for each spell slot level above 1.