Blood Flare

You cause a target's blood to boil, searing their veins. Target creature makes a Constitution saving throw. On a failed save, the target takes 1d8 fire damage. Until the spell ends, you may use your bonus action on each of your subsequent turns to deal 3d8 fire damage to the target. The creature repeats the saving throw at the end of its turns. The spell ends on a successful save.

At Higher Levels. This spell’s damage increases by 1d8 when you reach 5th level (2d8/4d8), 11th level (3d8/5d8), and 17th level (4d8/6d8).