*You have a made pact with a fallen angel, an [erinyes](https://www.dndbeyond.com/monsters/16858-erinyes). Hailing originally from the celestial plains but now a denizen of the Nine Hells. In freedom from their celestial shackles, they found new purpose. Make no mistake, your patron is a warrior with conviction too strong to be subservient. Perhaps you are kindred spirits. As your patron freely moves from plain to plain, they have granted you power that will grow as you both rise from the chains you were born.*
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Fallen Spells
| Spell Level | Spells |
|:---:|:-----------:|
| 1st |Ray of Sickness, Flame Blade, Scortching Ray, Sending |
| 2nd | Branding Smite, Aid |
| 3rd | Fireball, Sending |
| 4th | Locate Creature, Divination |
| 5th | Destructive Wave, Dispel Evil and Good |
|
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Armor of Angels
Starting 3rd level, if you are not wearing armor, as an action you can conjure magical armor around your body that grants you AC 13 + your charisma modifier for an hour. While this armor is active you can cast eldrige blast as a melee attack without imposing disadvantage.
Once conjured you cannot use this feature until you complete a short or long rest.
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Unnatural Potency
Additionally at 3rd level, as a bonus action you can pick a number of creatures equal to your proficiency bonus. Poison attacks you deal ignore resistance, immunity, and immunity to the poisoned condition of your targets for one minute. After you use this feature you cannot use it again until you complete a long rest.
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Caustic Strike
Starting at 6th level, your eldritch blast and any attacks made with you Pact of the Blade weapon or Pact of Chain familiar deals extra poison damage equal to your proficiency bonus.
Additionally, when you hit a creature this way, you can use a bonus action to invoke the poisoned condition. You can do this a number of times equal to your charisma modifer. Targets must make a constitution saving throw or become poisoned for a minute. If a target succeeds in the saving throw they cannot be poisoned this way for the next 24 hours.
You regain all expended uses when you finish a long rest.
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Patron's Parry
Starting at 10th level, you can use your reaction a number of times equal to your charisma modifier to add 4 to your AC against one weapon or spell attack that would hit you.
Additionally, you can now summon your Armor of Angels twice between rests.
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Transcendence Intervention
Starting at level 14, your patron deems you worthy for them to transcend the plains of existence to assist you regularly.
At dusk you can request your patron to trade your and eldritch invocations with another. You can switch out a number of eldritch invocations equal to your charisma modifier. If you have invocations that have other invocation requirements, it must be swapped out. These requirement swaps count towards your number of invocations you can trade.
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"Shall we free ourselves from the cages we were born?"
#### - Vazreth, the first fallen

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Additional Eldritch Invocations
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> ##### Whip of the fallen
>###### Prerequisite: Pact of the Fallen; Pact of the Blade feature.
> You can create a [Rope of Entanglement](https://www.dndbeyond.com/magic-items/4750-rope-of-entanglement) in the form of a [whip](https://www.dndbeyond.com/equipment/whip) using your pact of the blade feature.
The rope regenerates upon destruction back into your inventory.
> ##### Improved Armor of Angels
> ###### Prerequisite: Pact of the Fallen; Level 15
> As an action you can conjure magical armor around your body that grants you AC 14 + your charisma modifier twice per short or long rest for an hour. The armor can take any form of your choice.
>
> Once conjured the user can use a bonus action to summon black wings from the armor and gain a flying speed of 60 ft. While the wings are out you gain advantage on dexterity saving throws.

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I really want to thank user [gameboy350](https://www.gmbinder.com/profile/gameboy350) for being my biggest inspiration! Especally their [Poison Expansion](https://www.gmbinder.com/share/-N7k9C5zO51nrOqvKojn). Please check them out! And better yet, use them in game! They synergize very well with my matron! Fume Form FTW!
I'd like to thank [this copypasta cookbook](https://www.gmbinder.com/share/-LNKsc1ZWIwwDRvfScQu) for my image formatting. Thank you for helping people make wonderful formats for their homebrew!
This started out when I was writing a completely homebrew D&D one shot about a warlock who made a pact with a fiend needing help defeating his erinyes matron, Vazreth. But... I commited to this prompt before actually looking at the fiend patron. So I did what I do best, and I went overboard. I made an entire homebrew subclass to fit what I imagined. After researching I set out to do five things: 1. I wanted to make poison a viable option and not venomous animal themed. 2. I wanted to make a consistent front line and de-buffing warlock to contend with Hexblade and even some martial classes. 3. I wanted it to have a strong sense of flavor that really reflects the patron and their abilities. 4. I wanted to help warlock get a better place in utility. 5. I wanted it to be fun like other magic classes while still being undoubtedly a warlock. I hope you enjoyed! Thank you!
Updated for the 2024 rule set! Eriynes no longer deal poison damage, but I do not care!
##### More Credits
[Abstract pattern of red feathers on a black background.]( https://stock.adobe.com/images/abstract-pattern-of-red-feathers-on-a-black-background/191838273?asset_id=191679840)
[Erinyes Photo](https://www.dndbeyond.com/monsters/5194988-erinyes)