The Undying

Death holds no sway over your patron, who has unlocked the secrets of everlasting life, although such a prize-like all power-comes at a price. Once mortal, the Undying has seen mortal lifetimes pass like the seasons, like the flicker of endless days and nights. It has the secrets of the ages to share, secrets of life and death. Beings of this sort include Vecna, Lord of the Hand and the Eye; the dread Iuz; the lich-queen Vol; the Undying Court of Aerenal; Vlaakith, lich-queen of the githyanki; and the deathless wizard Fistandantalus. In the Realms, Undying patrons include Larloch the Shadow King, legendary master of Warlock's Crypt, and Gilgeam, the God-King of Unther.

Starting at first level, you learn the spare the dying cantrip, which counts as a warlock cantrip for you. You also have advantage on saving throws against disease and poison.

Death's Boon

At 6th level, you gain regain vitality when you cheat death or help others cheat it. Upon a successful death saving throw, you regain 1d8+cha modifier hit points. When stabilizing another with the spare the dying cantrip, you can choose to regain 1d8+cha modifier hitpoints, or grant them to the recipient of your spell, in which case the hit points are temporary, lasting for 1 minute. Once you use this ability, you can't use it again until you finish a short or long rest.

Precipice of the End

Beginning at 10th level, you can hold your breath indefinitely, and you don't require food, water, or sleep, although you still require rest to reduce exhaustion and still benefit from finishing short and long rests. You also age at a slower rate. For every 10 years that pass, your body ages only 1 year, and you are immune to being magically aged.

You also gain immunity to disease and poison damage, as well as the poisoned condition. In addition, you gain resistance to necrotic damage.

Beginning Without End

You have learned all your patron is willing to teach you- the final steps toward immortality you must walk alone. However, that is not to say you are without a last boon. Upon finishing a long rest, you gain the benefits of the Death Ward spell that lasts for 24 hours. In addition, you can cast Regenerate on yourself without spending a spell slot. You must finish a long rest before you may do so again.

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Extended Spell List

The Undying lets you choose from an expanded list of spells when you learn a warlock spell. The following spells are added to the warlock spell list for you.

Undying Expanded Spells

False Life, Ray of Sickness

Blindness/Deafness, Silence

Bestow Curse, Speak with Dead

Aura of Life, Death Ward

Antilife Shell, Contagion

Eldritch Invocation- Call of the Haunted

Prerequisite- 5th level, Undying patron. You can cast animate dead once using a warlock spell slot. You can't do so again until you finish a long rest.