Mark of The Beast

In the deepest, darkest Pits of The Nine Hells the screams of the damned are carried on sulfurous winds. Their eternal, desperate and tortured voices calling out endlessly in suffering for naught. Not much can stop the screaming, save an end to their amaranthine misery. But there is SOMETHING in the depths of The Pit who can cease the cacophony of souls in fear of a fate much worse than the one they find themselves in.  A beast of crimson red and shadows. The leader of a pack so foul and ravenous that they leave nothing but shards of bone, viscera and pestilence in their wake. Their shades darker than the shadows in the depths of hell. Completely adapted, apex predators that even some fiends across the hells fear to speak of. The hounds of hell obey it as equally as they would the devil who created them. For in the nine hells there is respect in power. And those who find themselves with this beasts blood running through their veins command such respect as a fiend of noble pedigree. 

Expanded Spell List

The Mark of The Beast 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.

Mark of The Beast Expanded Spells

Spell Level	Spells
1st	burning hands, command
2nd	blindness/deafness, branding smite
3rd	fireball, spirit guardians
4th	confusion, wall of fire
5th	flame strike, contagion

Call of The Beast

Starting at 1st level, you may answer the Call of The Beast and take on its form. You gain a new spell called Aspect of The Beast, and you can cast it once per long rest without expending a spell slot. As part of casting the spell, your body immolates dealing 1d6 fire damage to a number of targets of your choosing equal to your warlock spell level within 5ft of you. 

In addition, your newly bolstered hellish blood connects you to the Hells themselves giving you resistance to fire damage.

 

Fury and Flame

Starting at 6th level, your new form is further honed as you master the gifts granted to you by your patron. Your 'Aspect of The Beast' Form gains Multi-Attack, and a Flame Breath weapon(15ft cone, Recharge on 5-6). Dex Save vs your Spell Save DC, on a fail they take a number of d6 fire damage equal to your warlock spell level. On a successful save, they take half.

 

Pack Master

Starting at 10th level, when you answer the Call of The Beast, your call is answered in kind. When you cast 'Aspect of The Beast', you may summon a Hellhound within 30 feet of you that obeys your every command. It shares initiative with you and can be commanded telepathically. You may only have one Hellhound at a time as part of this feature. You share a flame breath pool with your summoned hell hound, and you may choose to use flame breath with any.

In addition, your form gains Pack Tactics.

Lady of The Pit

Starting at 14th level, you are in complete control and mastery over The Beast within. Your 'Aspect of The Beast' Form gains the Spellcaster trait, you may cast any spell in your arsenal that doesn't have a material component with a cost.

 In addition you gain a blood chilling Howl with a range of 30ft. You may target any number of creatures within range equal to your proficiency bonus and force them to make a Wisdom save against your Spell Save DC or be frightened for 1 minute. They may repeat the save at the end of each of their turns. On a success, they are immune to being frightened this way for 24 hours.

Lastly, when you summon a Hellhound as part of casting 'Aspect of The Beast' you may summon another Hellhound for a total of two.