Necromancy Casting
The Necromancy casting style is only available to the Giovanni and other necromantic bloodlines such as the Harbingers of Skulls or the Samedi.
Necromancer provoke the boundary between the living and the dead to commune and control the dead.
Necromancers must rid themselves of the touch of life to better feel the dead, meaning they can not cast in the same night you feed. Unless they have killed their food.
Paths
Hades Gate: Mastery of the shroud
Movement of the Mind: Art of Poltergeists
Mastery of the Mortal Shell: Possession
Path of Countermagic: Using Entropy to Dispel Magic
Spirit Manipulation: Communing with Spirits both Living and Dead.
The Hearth Path: Path of the Haunted House
Path of Levinbolt: Manipulation of Electric Currents in the Human Body