Combustion

You cause a creature to suddenly burst in to flames. Choose a creature within range. That creature must make a Constitution saving throw against your spell save DC.on a failure the creature takes 2d8 fire damage. On a successful save the creature takes half damage.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the fire damage increases by 1d8 for each slot above 1st.