Hellish Rebuke

Spell Name: "Hellish Rebuke"   MP Cost: 50   Casting Time: 1 reaction, which you take when you are damaged by a creature within 60 feet of you that you can see   Concentration: False   Casting Method: Verbal+Somatic   Range: 60 Ft   Target: A Creature that has hurt you within range   Duration: Instantaneous   Material Cost: None       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.