In response to taking damage from a creature that you can see within 60 feet of yourself
Range
60 feet
Duration
Instantaneous
Components
V, S
The creature that damaged you is momentarily surrounded by green flames. It makes a Dexterity saving throw, taking 2d10Fire damage on a failed save or half as much damage on a successful one.
Using a Higher-Level Spell Slot
The damage increases by 1d10 for each spell slot level above 1.