The King in Yellow

1. The King in Yellow, also known as He-Who-Is-Not-To-Be-Named, is all that presides over madness and insanity. His play, named after himself, releases madness upon all those who view it. The performers on the other hand are usually followers of the King and either have the will to resist its power or have embraced wholeheartedly its insanity." He is an evil eldritch being. While he is not chaotic, his followers often are. His followers are often prone to bacchanal interests and pastimes.

    

   Hastur 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.

   1st lvl - silent image, hideous laughter

   2nd lvl - blindness/deafness, detect thoughts

   3rd lvl - animate dead, bestow curse

   4th lvl - confusion, phantasmal killer

   5th lvl - dominate person, modify memory

    

   Starting at 1st level, you are immune to short-term madness and have advantage on saving throws against being frightened. At 6th level, you are immune to long-term madness. At 14th level, you are immune to indefinite madness.

    

   At 6th level you can imbue an area with unholy energy once per long rest. As an action, you can choose a 30 foot cube centered within 60 feet of you. For one minute, any undead you choose within the area have advantage on saving throws against effects that would turn them and have resistance to bludgeoning, piercing, and slashing damage from non-magical weapons. Additionally, any undead in the area when you use this feature gain temporary hitpoints equal to your warlock level. This ability is known as "Desecrate" on your character sheet. Beginning at 10th level, the King in Yellow bestows upon you a book of undeath. You no longer require food, drink, or air. You can choose to have your type be undead for the purpose of overcoming effects of spells. Additionally, all undead creatures with an intelligence of 6 or lower are friendly to you unless you attack them.

    
   Also at 14th level you can speak the true name of the King in Yellow: Hastur. As an action, you speak the name and any creature of your choice within 30 will have disadvantage on ability checks and attack rolls for a number of rounds equal to your charisma modifier (min 1 round). You may use this feature once per long rest.

Desecrate

At 6th level you can imbue an area with unholy energy once per long rest. As an action, you can choose a 30 foot cube centered within 60 feet of you. For one minute, any undead you choose within the area have advantage on saving throws against effects that would turn them and have resistance to bludgeoning, piercing, and slashing damage from non-magical weapons. Additionally, any undead in the area when you use this feature gain temporary hitpoints equal to your warlock level. This ability is known as "Desecrate" on your character sheet.

Purveyor of Madness

Starting at 1st level, you are immune to short-term madness and have advantage on saving throws against being frightened. At 6th level, you are immune to long-term madness. At 14th level, you are immune to indefinite madness.

Zingaya

Beginning at 10th level, the King in Yellow bestows upon you a book of undeath. You no longer require food, drink, or air. You can choose to have your type be undead for the purpose of overcoming effects of spells. Additionally, all undead creatures with an intelligence of 6 or lower are friendly to you unless you attack them.

He-Who-Must-Not-Be-Named

At 14th level you can speak the true name of the King in Yellow: Hastur. As an action, you speak the name and any creature of your choice within 30 will have disadvantage on ability checks and attack rolls for a number of rounds equal to your charisma modifier (min 1 round). You may use this feature once per long rest.