Alva's Immolating Grasp

Grasp one creature within range and make a melee spell attack against them. On success, fire emerges from your hand, enveloping the area you have grasped, dealing 1d8 fire damage.
At the end of the creatures next turn, they must make a constitution save and on a fail they will take an additional 1d4 fire damage.

This spell’s damage increases when you reach higher levels. At 5th level, the initial fire damage increases by 1d8 and the damage the target takes if they fail the constitution save increases by 1d4. Both damage rolls increase by 1d8 and 1d4 respectively at 11th and 17th level.