Abyssal Bloodline

Claws

At 1st level, your finger nails grow long and sharp and are treated as claws with which you are proficient. These claws deal 1d4 points of slashing damage plus your strength modifier. At 5th level these claws are considered magical. At 7th level the damage increases to 1d6 slashing and at 11th level the damage increases to 1d6 slashing plus 1d6 fire damage.

Demonic Resistances

At 1st level, you gain resistance to lightning and poison damage. You have advantage on saving throws against being poisoned.

Demon Attund

at 6th level, when you cast a spell that summons a fiend, devil, or demon they gain a bonus to their ac equal to your casting ability modifier.

Added Summoning

At 14th level, when you cast a spell that summons a fiend, devil, or demon you summon one additional creature of the same kind.

Demonic Might

At 18th level, you gain immunity to lightning and poison damage and the poisoned condition. You also gain resistance to acid, cold, and fire damage. You gain the ability to speak telepathically with someone you are familiar with up to 1 mile away.