Reaction Trigger: When you are damaged by a creature within 20m of you that you can see.

Effect: You point your finger, and the creature that damaged you is momentarily surrounded by hellish flames. The creature must make a Dexterity saving throw, taking 2d10 Fire damage.

Critical Success (+10). The target is unaffected.
Success. The target takes half damage.
Failure. The target takes full damage.
Critical Failure (–10). The target takes double damage.

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.