Azaoz, also known as Lord of the Demons, appeared in Aetherius at the end of the Age of Desperation, first murdering Avasyu and then leading his fellow Demon Gods in the killings of every God of Imperian. His actions ultimately led to the deaths of every God, but he personally had a hand in killing Janus and Baar and was present for the battle that killed Anathema and Eloweth.