Order of the Death Painting

There's multiples way to obtain these powers. Trough dark rituals, being in contact with cursed objects and there is even some record of people being born with this curse. The curse makes the user able to use blood manipulation in multiple ways but using this technique comes at a price sometimes lethal to the user.

Blood Manipulation

At 3rd level you sense a curse energy going trough you making you able to use blood manipulation as a weapon.

When using a blood manipulation technique that is doing damage you regain half the damage you've done to an enemy as health -CON Modifier.

When using a passive blood manipulation technique you take half your level in damage.

You can apply your crimson rite to your own blood attacks.

Convergence: Compresses and condenses your blood to its absolute limit with cursed energy, making it powerful and using your INT Modifier and your proficiency on your blood manipulation techniques.

Slicing exorcism

At 3rd level unleash sharpened blood that rapidly flies through the air and slices through your target.

As an attack you are capable of shaping your blood into long streams of blood at a wide range for hitting enemies at 80ft doing 1D8+INT slashing damage or forming it into a rotating chakram for a melee attack doing 1D6+INT slashing damage.

At the 11th and 15th level add 1 damage dice to your slicing exorcism.

Flowing Red Scale

At 7th level as a bonus action make your blood flow at high speed trough your body during 10 turns making you faster and stronger.

your speed becomes 40ft.

you add 1 damage dice to your blood manipulations techniques.

you become resistant to non-magical slashing, bludgeoning and piercing damage.

Blood scars appear on your face in the shape you want.

You can us this action 2 times per long rest.

Cursed Blood

At 7th level your blood manipulation techniques damages count as magical.

Piercing Blood

A deadly blood beam fired from your clasped hands. It possesses blistering speed and incredible piercing power, as the name implies. You're able to bend the beam and make it ricochet, but Piercing Blood does not maintain the same level of extreme velocity as when its first shot.

At 11th level as an action make 4 ranged attacks targeting 4 enemies in a radius of 60ft doing 1d12 piercing damage to the first enemy, 1d10 to the 2nd, 1d8 to the 3th, 1d6 to the 4th.

You can use this feature 3 times per long rest.

Blood Edge

At 15th level as a reaction negate one instance of damage using a blood shield surrounding yourself.

Supernova

At 18th level as an action you channel a ton of blood in front of you to finally let go an enormous amount of blood doing 4d12 bludgeoning damage in a 15ft cone. all enemies hit must succeed a DC 16 DEX Save or take half damage.

In addition, as a bonus action, each enemies you touch with this feature connects to you making you able to manipulate there blood. You can then extract blood from them doing 3d6 fire damage to each one of them healing you the same amount.

you can use this feature 3 times per long rest.