"Tyranny" takes place in the 431st year of Kyros' self-devised calendar in the region of the Tiers, the final major area to be conquered .There is a rebellion brewing due to infighting between Kyros' two main forces in the Tiers, the elite and disciplined Disfavored led by Graven Ashe, Archon of War, and the chaotic and barbarian Scarlet Chorus led by the Voices of Nerat, Archon of Secrets.