1st Form:Blood strike:its pretty much like the water version but blood

2nd form: Blood Control: If he's fighting an enemy and some of their blood manages to get on his face or sword,he'll be able to control their whole body by licking and swallowing the blood and would be able to make the enemy do anything he wants them to do.

3rd form:blood  explosion: If he's able to get some of the enemy's blood on his body or eat it,he can make the enemy explode from the inside destroying every organ,killing them

4th form:Blood Thunder: he's able to fire a few things of lighting but blood instead

5th form:Blood dance:he's able to make several swift movements and slice the demon's neck on lower demons because if his sword connects to blood while killing,it kills the demon

6th form: Blood Akuza: This form,he's able to create very fast and strong attacks and movements that it takes form of a blood serpent

7th form: (I can't think of a name as of now)