Love this idea, so I'm going to help rename stuff.
The ability "Bloody Grow" can be called "Engorge."
The ability "Blood Link" can be called "Bloodline" or "Lineage Bond".
The ability "Remove" can be called "Disposable" or "Temporary".
The ability "Conversion" or "Blood Conversion" can be called "Profligate" or "Blood Profligate".
We already have a skill called "Infect", and a skill called "Infest".
How about Gorger or Gorer?
Blood Mage can be called Sanguine Mage.
Sacrificing help can be called Bloodbath.
Bloody help can be called Improved Bloodbath.
Blood Conversion can be called Red or Sanguine Conversion.
Injuries Curse can be called Wound or Paincurse.
Bloody Curse can be called Gash or Tormentcurse.
Red Sword can be called Red Blade.
Bloody Blade can be called Maroon Blade or Sanguine Blade.
Empathic shield can be called Florid Shield.
Empathic bloody shield is a long name.
It can be called Sanguine Shield.