The northern Huaxia Region was a boundless expanse of grasslands. In the world of Forging the Sacred Court, it was not independent, but was known as the Northern Di Grasslands. After Genghis Khan, that peerless prodigy of his age, returned to life, it also came to be called the Mongolian Grasslands. Whatever its name, however, it remained part of the Huaxia Region.
Farther north beyond the Northern Di Grasslands lay the largest national region in the world... the Russian Federation Region.
Some time earlier, after the Great Huan Celestial Dynasty's scheme to deceive and confine the Descended Immortal Gods while secretly campaigning against four major national regions was exposed, the enemy armies on the three main fronts swiftly withdrew. Naturally, this included the Northern Allied Forces led by the Russian Federation, who handed the flat, boundless Northern Di Grasslands to the Great Huan Celestial Dynasty on a silver platter.
However, the Great Huan Celestial Dynasty did not stop fighting there. Its army, led primarily by the Spring and Autumn Lü Clan, pursued the Northern Allied Forces northward to the Russian Federation's southernmost imperial city... Irkutsk Imperial City, the capital of the Sky Wolf Dynasty, formerly an upper-middle-ranking national power within the Russian Federation Region. They established a fortified camp a little over a thousand li from the imperial city, neither attacking nor withdrawing.
They did not continue attacking because the main strength of the Northern Allied Forces was stationed within Irkutsk Imperial City. The Great Huan army held no advantage, so a forced siege offered little chance of victory. Even if they took the city regardless of the cost, their losses would certainly be devastating, outweighing any gains!
More importantly, according to intelligence from the Great Huan Office and an invitation from a self-proclaimed envoy of the Celestial Dynasty, Irkutsk