Devil's Blood

"One way or another you have found yourself with true Devil's Blood flowing through your veins. Being the foul and wretched creature that you are; kill and consume souls to gain strength." ~ The nicest Imp you'll ever know

"Minor Devil" Starting at first(1st) level you are given the following Benefits.

• Be it a blessing or a curse you can no longer die of old age and no longer require food, drink, or sleep. You do however, require rest to regain hit points. You may do light activity during this time as long at you sit in one spot. Additionally you must consume souls to survive. For every seven(7) days you go with out consuming a soul you gain one level of exhaustion. If you die due to not consuming souls your soul is destroyed and you can not be revived. Consuming a soul will remove all exhaustions levels during your next long rest.
• Your soul is bound for hell eternal. When you die and your soul is not destroyed or captured you will be resurrected in Avernus as a Lemure. To restore yourself to a player character you must consume a number of souls equal to your player level.
• Your Devil's Blood burns hot in your veins granting you resistance to Cold and Fire Damage. If you already have Fire Resistance you now have Fire Immunity. 

"Lesser Devil" Starting at fifth(5th) level you gain the additional ability.

• You have struggled in the dark for too long. With determination, practice, and a little bit of luck you can now see a bright future ahead. Magical darkness doesn't impede your darkvision.
• Your body will burn through any poison with ease. You have Immunities to Poison damage. As well as the Poisoned Condition.

"Greater Devil" Starting at tenth(10th) level  you achieve the additional ability.

• You have learned basic control over the true magical potential of your blood. You now have advantage on saving throws against spells and other magical effects.
• Without the fear of overheating your brain it now burns brighter than most. You have unlocked a natural talent for Telepathy with a range of 120 ft.

"Major Devil" Starting at fifteenth(15th) level you achieve the additional ability.

• Healthy stores of molten magic run in your veins. This grants you Damage Resistances to Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered Damage

"True Devil" Ending at Twentieth(20th) Level you earn the following rewards.

•  You have learned to fully unlock your true potential. You regain 20 hit points at the start of your turn. If you take radiant damage, this trait doesn’t function at the start of your next turn. You only die if you start your turn with 0 hit points and can't regenerate.