Detonate

You cause the spilled blood of one creature within range to bust into an explosion of red flames.  The target of this spell must not be at full health, and must have taken acid, fire,  piercing, radiant, or slashing damage so that they are bleeding. Choose one target within range, this creature must make a CON saving throw or take 4d10 fire damage and 4d10 force damage on a fail, or half as much on a success. Each creature within 5 feet of the target must make a DEX save or take 2d10 fire damage and 2d10 force damage.