Blazing Anguish

Target a creature that you can see within range. A fiery bolt shoots from your finger and envelops the target in a glowing light. The creature must make a DEX saving throw. If it fails, all successful attacks on this creature by any character before the end of your next turn deal an additional 1d6 fire damage.

When you cast this spell using a spell slot of 3rd level or higher, add 1d6 for each slot level above 2nd.