Infernal Power

You gain the following benefits:

Ability Score Increase

Increase your Intellegence, Charisma, or Constitution score by 1, to a maximum of 22

Hellfire Resistance

You gain:

-Resistance to fire damage

-Advantage on saving throws against being charmed or frightened

Infernal Invocation

You learn one cantrip of your choice from the spell list of:

-Warlock 

-Wizard

-Cleric

It counts as a spellcasting ability for the ability increased by this feat

Mark of the Hells

Once per long rest, when you deal damage with a spell or weapon attack, you may invoke infernal power to deal an additional 4d8 fire or Necrotic damage. 

The target must also succeed on a Wisdom Saving Throw:

-DC = 8 + proficiency bonus + spellcasting ability modifier/ weapon attack ability modifier

-Or become frightened of you until the end of your next turn.

Infernal Apotheosis

Once per long rest, as a bonus action, you transform for 1 minute:

-Gain a flying speed of 40ft

-Resistance to Cold and Poison damage

-Immunity to Fire damage

-Your attacks deal an extra 1d8 Fire damage

During this transformation:

-Your voice echoes unnaturally

-Your shadow sprouts horns or wings

-Creatures of CR lower than half your level have disadvantage on fear saves against you

Infernal Corruption 

Each time you use Mark of the Hells or Infernal Apotheosis, roll a d6-