Searing Smite

The next time you hit a creature with a melee
weapon attack during the spell’s duration, the
attack deals an extra 1d6 fire damage and
ignites the target At the start of each of
its turns until the spell ends, the target
must make a Constitution saving throw.
On a fail, it takes 1d6 fire damage. On a
success, the spell ends. If the target or a
creature within 5 feet of it uses an action
to put out the flames the spell ends.
Initial dmg increases by 1d6 per spell lvl