Armor of Agathys

  • Level & School 1st-level abjuration
  • Casting Time Bonus action
  • Range Self
  • Components V, S, M (a shard of blue glass)
  • Duration 1 hour
  • Classes Warlock

Protective magical frost surrounds you. You gain 5 Temporary Hit Points. If a creature hits you with a melee attack roll before the spell ends, the creature takes 5 Cold damage. The spell ends early if you have no Temporary Hit Points.

Using a Higher-Level Spell Slot. The Temporary Hit Points and the Cold damage both increase by 5 for cach spell slot level above 1.