Duke Ceres was a Chthonian demon serving under Zaros as a duke and the leader of the fourth of the twelve demonic legions given to Zaros by Hostilius. Ceres was the commander of the Zarosian legions fighting during the Kharidian–Zarosian War, and was present when the Mahjarrat changed their allegiance from Icthlarin to Zaros.  By the time Damaged letter was written, the Fourth Legion was marked as destroyed, leaving Duke Ceres' fate unknown, although he was most likely incinerated by Tumeken at the end of the war, alongside his legion.
- ^ Ralvash's memory (book), RuneScape. "When we followed Sliske and Duke Ceres through the gates of Kharid-et and turned our back on Icthlarin and the Menaphites we could not imagine what would become of us."
- ^ Damaged letter, RuneScape.
- ^ Mod Slayer. "Mahjarrat Memories FAQ." 21 March 2014. Recent Game Updates Forums. Duke Ceres was one of the Chthonian Dukes who led the Zarosian legions. Ceres was the commander of the invasion of Menaphos. He was last seen in the Menaphite peninsula.
Tumeken used EXPLOSION!
It’s super effective!
Duke Ceres fainted!
Second Age Zarosian leaders
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