Warmth

Positive fiery energy radiates from you within a 5-foot radius. You and up to three other creatures you choose within the aura heal 3d6 hit points and become resistant to fire damage for 1 minute. This spell has no effect on undead or constructs.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the healing increases by 1d6 for each slot level above 3rd.