Order of the bloodied

As an Order of the Bloodied bloodhunter, you are part dhampir as well as your original race, but don't get the full benefit of being a vampire. 

Level 3: Rite of Blood

When you would take the order of the Bloodied at 3rd level, you are able to use your blood directly to harm your enemies. In addition to being able to activate this Rite as you normally would, you also can activate it when you would take damage from using your blood curse. It works the same as a normal rite, but it deals your choice of necrotic or poison damage instead.

Level 7: Sanguine Healing

Whenever you would hit a creature with your Rite of Blood feature, you regain hit points equal to a roll from your hemocraft die plus your hemocraf modifier.

Level 7: Cleansing Hemocraft

You gain immunity to to poisons and diseases. As an action you take damage from you hemocraft die and can use your blood to cure others of poisons or diseases, or you can heal them with 2 rolls from your hemocraft die plus your hemocraft modifier.

Level 11: Gore Infection

Whenever you would hit a creature with your Rite of Blood feature, they must make a constitution saving throw. On a fail, they're poisoned until the end of your next turn.

Whenever you would use your amplified Blood Curse feature, the target creature is poisoned for one minute. At the beginning of each of their turns, your roll a hemocraft die. They take that much necrotic damage. At the end of their turn, they can make a constitution saving throw. On a success, the poison is over. You can only target one creature at a time with this feature.

Level 15: Hemorrhagic Pressure

Features that require your hemocraft die roll an additional die per required use.

Level 18: Sanguine Possession

Whenever you hit a creature with your Rite of Blood feature, you may have target creature make a wisdom saving throw equal to your hemocraft DC. On a fail, you then can spend a bonus action to command the creature on it's turn, making it use a action or movement. This lasts for one minute. It can remake the save at the end of each of its turns. You can only target one creature at a time with this ability. You can do this an amount of times equal to your hemocraft modifier, and resets on a short or long rest.