Dhampiric Magic

Embracing your Vampiric Heritage has unlocked within you hidden powers.

• When you use your Fanged Bite feature you may choose to gain and store blood points equal to the roll of the dice instead of regaining health or gaining a bonus to your next attack roll or ability check, you can store a number of blood points equal to half your level+ your constitution modifier. When you use your Fanged bite in this way you may not do so again until you finish a long rest.
• You may spend Blood Points to do a number of things listed Below.
• As a bonus action you may spend 2 Blood Points to summon of Swarm of Bats that arrive in 1d4 rounds, the swarm shares your initiative and you can command it mentally, if given no command it acts on its own to protect itself otherwise it does nothing. The swarm sticks around and remains friendly to you and those you specify for 1 minute or until you dismiss them.
• As a bonus action you may spend 3 Blood Points to summon a Giant Bat that arrives in 1d4 rounds, it shares your initiative and you can command it mentally, if given no command it acts on its own to protect itself otherwise it does nothing. The Giant Bat sticks around and remains friendly to you and those you  specify for up to 1 hour or until you dismiss it.
• As an action you may spend 4 Blood Points to Cast Charm person at level 1, and you may spend an additional 2 Blood Points to cast at a higher level (up to 5th level).  Your spell modifier for this spell is charisma. 
• As an Action you may spend 6 Blood Points to  Enter a Blood Frenzy, while in this frenzy your veins become enlarged and visible you also gain the effects of the Haste spell  on yourself without the need to concentrate after 1 minute the effect is gone and you gain 1 level in exhaustion, and you must finish a long rest before being able to do this again.