Priest Rahza was the ancient Blood priest back in the stories of the ancients this is a untold story that is an add on to Spirit Bond. 

Though he is mentioned, he was a cold blooded killer that had a soft heart for the Forest Priestess Rosalina, One evening Priest Terrest ordered his fellow council members to find the Blood Priest and Execute him in the middle of the City. 

In the end he burned, not in the city, but in the heart Of Rosalina's forest