You can see in dem light with 90 feet of you as if it were bright light, and you can see in darkness within 60 feet of you as if it were dim light and you can't discern color in darkness.

You have immunity to charms and sleeping spells

The darkness consuming consums you lim by limb.chosse a limb that is consumed by the darkness.Arm:your right/left (whatever you chose)is purplish if not black color and your fingernails are now claws and you gain a natural weapon 1d6 damage,leg:your right/left leg is purplish if not black color and your speed of 45ft,eye:your right/left eye is purple and  has a black pupil. Causing you to gain 120ft darkvision in that eye.

You bite your target for 1d8 piercing damage and heal for 1d8 but go into Blood Frenzy. When you hit lv 5 you bite and heal for 1d12.

When eat your blood you go into a blood rushed state and will attack anyone and everyone around.

You create a scythe like weapon from your blood.

Your constitution and dexterity score all increase by 2.

You are part Celestial so you restant to radient damage.

You have Vampires blood so you are resistant to necrotic and Ice damage, but twice as harmed to fire damage.