Death Armor

2nd-level, Necromancy

• Casting time: 1 Action
• Range: Touch
• Components: V, S, M (an onyx worth 50+ GP, which the spell consumes)
• Duration: 1 hour

For the duration, an inky aura surrounds one creature you touch. The target has Advantage on Death Saving Throws, and once per turn, when a creature within 5 feet of the target hits it with a melee attack roll, the attacker takes 2d4 Necrotic damage.

Classes: Bard (College of Lore); Bard; Fighter (Eldritch Knight); Rogue (Arcane Trickster); Sorcerer; Wizard

Source: FRHoF p. 143