Blood thief

You can expend blood vials to use a lot of blood powers

your vampiric powers let you shape things around you

Level 3: Blood vials

you have blood vials
you can expand 1 blood vial to heal you 1d8 heath
you get a blood vial when you kill an enemy in melee range 

is 1+proficency+dex

Level 3: Blood dash

you can expand a blood vial in a bonus action to teleport 20ft to another enemy and attack them 

deals 1d10 slashing damage
turns to 2d10 at 10th level

Level 7: Blood shield

you can use you reaction to halve the damage of an attack
the enemy attacking you must make a dex save or the damage gets halved

 

expands 2 blood vials

Level 10: Blood flight

you can expand a blood vial to get a flying speed of 20ft for the round
when the round ends your still flying but when you move you get back down

Level 10: Shape-Change

You can expand 2 blood vessels to shapeshift into 3 forms for 1d10 minutes
msit form: you tranform into a cloud of mist in this form you can squish into any small space and you are unkillable but you can't attack
bat form:you can transform into a bat where you have a flying speed of 60ft but you have 3 hp

Level 15: Blood absorbtion

you can rip the blood out of someone increasing you damage by 10
the target makes a con save of 15 or takes 2d8 piecing damage
you get a +10 damage to all your attacks for 2 round

expands 3 blood vials 

 

Level 18: Blood drain

you expand 3 blood vial
when you hit an enemy they must do a con save of 15 or 3d10 damage each round
if they win the save they only take 2d10