Cauterize

You reach out to a creature and burn away any impurities. If a creature is unwilling, you must make a melee spell attack. An affected creature takes 2d4 fire damage, and then regains 5d4 hit points at the end of its next turn.if a creatureis resistant or immune to fire damage, the healing done is halved and negated, respectively. A creature reduced reduced to 0 hit points by the fire damage receive no healing from the spell.

At Higher Levels: If this spell is cast using a spell slot of 2nd level or higher, bouth the fire damage and the healing increeses 1d4 for each spell level above 1st.