Ramaz was an ancient Atavus who was the closest thing to a religion icon within the Taelon culture. He was considered as one of their devils with the Companions fear of him being mythic. A close approximation to Humanity would be Satan, Hitler and Genghis Khan rolled into one being. Around eight million years ago, Ramaz was the leader of an immortality cult and discovered a way to isolate Core energy. Thus, came the formation of the Taelons where they extended their lives by a factor of two hundred.
Da'an was researching historical data on Ramaz in an attempt at getting a better understanding at forming a Joining with Balvak in order to save both their races by returning to their Atavus roots. (Episode: Summit)