The Great Old One

Kind

Subclass

Hit points at level 1

8 + Constitution modifier

Hit die

d8

Primary ability

Charisma

Spellcasting ability

Charisma

You pledged something unthinkable to an unspeakably ancient entity - which in return furnished you with powers of cerebral entropy and control.

Level progression

What this subclass adds at each Warlock level, from the game's progression table: what you get, what you choose.

1. Level 1
   Mortal Reminder

   When you land a Critical Hit against a creature, that creature and any nearby enemies must succeed a Wisdom Saving Throw or become Frightened until the end of their next turn.

   Learn 2 spells

   Armour of Agathys, Arms of Hadar, Charm Person, Dissonant Whispers, Expeditious Retreat, Hellish Rebuke, Hex, Protection from Evil and Good, Tasha's Hideous Laughter, Witch Bolt

2. Level 2
   Learn 1 spell

   Armour of Agathys, Arms of Hadar, Charm Person, Dissonant Whispers, Expeditious Retreat, Hellish Rebuke, Hex, Protection from Evil and Good, Tasha's Hideous Laughter, Witch Bolt

3. Level 3
   Learn 1 spell

   From 23 Warlock spells (listed on the Warlock page).

4. Level 4
   Learn 1 spell

   Blade Ward, Booming Blade, Bone Chill, Eldritch Blast, Friends, Mage Hand, Minor Illusion, Poison Spray, Toll the Dead, True Strike

   Learn 1 spell

   From 23 Warlock spells (listed on the Warlock page).

5. Level 5
   Learn 1 spell

   From 33 Warlock spells (listed on the Warlock page).

6. Level 6
   Entropic Ward

   As a reaction, you can impose Disadvantage on an Attack Roll against you. If the attack misses, you gain Advantage on your next Attack Roll against your attacker for 1 turn.

   Grants the reaction Entropic Ward

   Learn 1 spell

   From 33 Warlock spells (listed on the Warlock page).

7. Level 7
   Learn 1 spell

   From 38 Warlock spells (listed on the Warlock page).

8. Level 8
   Learn 1 spell

   From 38 Warlock spells (listed on the Warlock page).

9. Level 9
   Learn 1 spell

   From 41 Warlock spells (listed on the Warlock page).

10. Level 10
    Thought Shield: Psychic Resistance

    An elder being shields your brain. You gain Resistance to Psychic damage.

    Resistant to Psychic damage

    Thought Shield: Psychic Reflection

    Your patron doesn't appreciate attempts to attack your mind. When you take Psychic damage, your attacker takes the same damage.

    Learn 1 spell

    From 41 Warlock spells (listed on the Warlock page).

11. Level 11
    Learn 1 spell

    From 41 Warlock spells (listed on the Warlock page).

12. Level 12
    Learn 1 spell

    From 41 Warlock spells (listed on the Warlock page).

Spells 51

Can pick from 51 Warlock spells, listed on the Warlock page.