One of the Russian principalities.

As for Chernigov, that principality is at present tenuously ruled by a man titled Prince Igor, who traces his bloodline to Rurik the Great’s uncle, or perhaps sister-in-law; it’s difficult to keep track. Prince Igor’s first act upon coming to power three years ago was to outlaw the worship of Svarog in all of Chernigov, in an apparent attempt to stave off the fate of his neighbor to the east. He has mounted a campaign to “reclaim Chernigov’s rightful lands”, calling Smolensk’s sun-worshippers “pagan idolaters”. High Priest Nikolai responded with a proclamation that a dark spirit sat the throne of Chernigov, and must be driven out with Svarog’s cleansing flame. Thus, the conflict continues. Meanwhile, both sides ignore the increasingly restless Cuman warbands to their south...