betray death

You send magically infused darkness throughout your body and mold it to prepare an attack. The first time the you would drop to 0 Hit Points before the spell ends, the target instead drops to gain 1d12 + spell casting modified in temporary hit points, and the spell ends.

At Higher Levels. When you cast this spell using a spell slot of 3th level or higher, the amount of temporary hit points you get is increases by 1d12 for each slot level above 2nd.