Spellborn

As a being born from a spell and born from a creature of incredible power and ire, you have unlocked these benefits for better or for worse

Increase your Constitution, Wisdom or Intelligence by 1 to a max of 20, You spellcasting ability is the chosen ability

Natural Spellcasting: Due to your origin you have the ability to have a natural form of spellcasting, Choose 3 Cantrips from any spellcasting list, the only exception is that they cannot be damaging spells, you can swap these cantrips on a short or long rest, Additionally you may learn a number of spells equal to your level thats level is equal to or lower then 1/3 your player level, you can cast these a number of times equal to your proficiency bonus, you regain these uses on a long rest and can swap these spells on a long rest

Dread Form: Also Due to your origin, remnants of your past selfs magic are still within you, as well as the evil that also lies with it, in a moment of desperation, when you are at 1/4 of your hit points as a bonus action you may spend half you hit dice, when you do Lighting and Smoke surround you and your dread form is released, for a minute you gain a flying speed equal to your walking speed, you have advantage and a +5 to intimidation rolls, and whenever you deal damage to a creature you deal an additional 2d6 lightning damage, in this form you are more ruthless and savage with your attacks and tactics