Discovery
Its hidden discovery on Aleknath marked the first day of the Age of the Corrupted. A plane on which everything is alive was the natural place for a magic rooted in Soul, blood and living exchange to appear.
Rosmer CreativeWill is made elemental through blood: life, power and control meet in a single dangerous practice.
Blood Magic, or Hemomancy, is the elemental magic of Soul. Although it was historically called Ancient Necromancy, it belongs to Elementalism rather than to Necromancy proper.
Its hidden discovery on Aleknath marked the first day of the Age of the Corrupted. A plane on which everything is alive was the natural place for a magic rooted in Soul, blood and living exchange to appear.
Opening an age did not make Hemomancy widely known. It remained a secret practice and did not broadly distribute across Urmatoth.
A minor magical figure later called the Redeemer God discovered Blood Magic partly by accident and first used it to save and nurture a vulnerable people and their young empire.
After being absent for most of the empire's roughly ten-thousand-year history, he returned in its final decades. Blood Magic then spread through the empire as a means of enslavement to him.
The saga was geographically limited, affecting an empire that covered less than a tenth of Urmatoth at its peak. Its importance was causal: the collapse helped create the conditions from which Necromancy arose.