Dread Lord
At 20th level, the paladin can, as an action, surround himself or herself with an aura of gloom that lasts for 1 minute. The aura reduces any bright light in a 30-foot radius around the paladin to dim light. Whenever an enemy that is frightened by the paladin starts its turn in the aura, it takes 4d10 psychic damage. Additionally, the paladin and creatures he or she chooses in the aura are draped in deeper shadow. Creatures that rely on sight have disadvantage on attack rolls against creatures draped in this shadow.