Skull Knight's Set (5e Equipment)
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Armor (plate), legendary (requires attunement)
Forged by a dwarven master blacksmith centuries ago, this set of armor was intended to act as a dead king's final chance at revenge. This ornate, skeletal suit of armor can be used to achieve a form of immortality, at a cost. Only creatures with a soul can attune to this armor, therefor barring most elementals, constructs, and undead.
Evil Resistance: The suit of armor grants resistance to Necrotic damage while worn by an attuned or unattuned creature.
Curse of the Skull. When a creature attuned to this suit of armor, they must either immediately unattune to it, or die instantly. If they unattune to this armor in any other way, they die instantly. A creature may spend a 6th level or higher spell slot to grant a creature that has been dead for no longer than 24 hours the chance to attune to this armor. If a dead creature does so, it returns to its maximum hit points.
Power of Undeath. While attuned to this armor, a creature is no longer bound to the limitations of their biology, gaining the following: