Blood Magic

Blood Magic is the oldest known "dark" magic. It was practiced by Daemon worshipers and corrupted mages.
Blood Magic is such as it requires blood, death, sacrofice or suffering to complete the spells and harness the complete power.
The practicing of Blood Magic was outlawed shortly after Hausken survived The Wrath's attack, in the hopes to preserve the sanctity of life and those living now within the city's border.