Dhampir traits

Ability Score improvement: Your Charisma is increased by 2

Age: Dhampir age at the same rate as their mortal parent reaching maturity at the same time as them after their outward signs of aging stop showing and they can live until the age of 900 however if they become exceptionally powerful (Level 18) their aging stops making them immortal.

Size: Dhampir's size depends on their mortal parent but they are typically medium.

Speed: Your base walking speed is 30 feet.

Bite: as an action you can make a bite attack with your fangs. doing so does 1d4+constitution piercing damage, and you regain an amount of HP equal to the damage dealt. You may use this attack as much as you wish, but may only gain HP from it equal to your constitution modifier (minumum of 1) per long rest. You are proficient in your bite attack. The damage dice increased to a d6 at level 5, a d8 at level 11, a d10 at level 17 and a d12 at level 20

Languages: You can speak, read, and write common and one other language of your choice.

One with the dead: You have resistance to necrotic damage.

Darkvision: Thanks to your vampire blood, you have superior vision in dark and dim Conditions. You can see in dim light within 60 feet of you as if it were bright light, and in Darkness as if it were dim light. You can’t discern color in Darkness, only shades of gray.

Sunlight Sensitivity: While in sunlight, the Dhampir has disadvantage on Attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Subrace: Chose from the following three subraces Unionborn, Conversionborn, Daywalker

Unionborn traits

Unionborn are made when a mortal and a vampire truly love each other they are typically raised in cities or towns by their mortal parents. Allowing them to integrate into society better with their vampire parent visiting them occasionally.

Ability Score improvement: Your Dexterity score is increased by 1

Child of Shadow: The shadows seem drawn to you they cling tightly to you, as a result are proficant with the Stealth skill.

Bloodline power: You have spent time studying your vampiric bloodline as a result you have unlocked some minor power, you know Charm Person and can cast it once per long rest. charisma is your casting stat for it.

Conversionborn

Conversionborn are created when their mother is bitten while pregnant thus turned into a vampire causing the baby to be transformed into a Dhampir within the womb thus causing the vampiric powers to be far stronger then your average Dhampir

Ability Score improvement: Your Strength score is increased by 1

Supernatrual movement: Your movement speed is increased by 5 feet

Empowered Leaps Whenever you make a long or high jump, you can roll a d8 and add the number rolled to the number of feet you cover, even when making a standing jump. This extra distance costs movement as normal.

Claws your nails are unnaturally strong and pointed. Your unarmed attacks deal 1d4+strength modifier slashing damage.

Daywalker

In order for a Daywalker to be born a Vampire must feast on the mother at the moment of the Dhampirs birth, A day walker can walk in the day without fear and are even rarer then Unionborn or Conversionborn due not only to the fact that the circumstances of their birth are rare but the Dhampir might die quickly after birth if nobody is there to provide for it.

Ability Score improvement: Your Constitution score is increased by 1

Refusal to die: When you are reduced to 0 Hit Points but not killed outright, you can drop to 1 hit point instead. You can’t use this feature again until you finish a Long Rest

Walk in the Light: You no longer suffer from sunlight sensitivity