Armor of Othrys

The creature you touch glows with an aura resembling that of magma, creating a protective shield. The target gains Temporary Hit Points equal to 4 + your Spellcasting ability modifier. In addition, if the target is hit by a melee weapon attack, the attacker suffers 1d6 points of Fire damage.

For each level of spell slots used to cast this spell beyond 1st, the damage increases by 1d6 and the target gains an additional 4 + your Spellcasting ability modifier Temporary Hit Points.