Balassar's Burning Point

Your arm erupts into intense flames as small streaks of arcane lightning streak throughout the fire. Make a melee spell attack against a creature. On a hit, The target takes 6d8 fire damage and 2d4 damage of your choice between acid, cold, fire, lightning, poison, or thunder and is pushed back 10ft. 

Roll a d6, on a 6 the target is on fire until they use their action to put it out. The fire does 1d4 at the end of each of their turns.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the damage increases by 1d8 for each slot level above 3rd.