The Demacian Cataclysm (II)?

Noxus's Immortal Bastion had once been the fortress of the revenant Mordekaiser. But now, it had become a forbidden place concealing secrets... For over a thousand years, the Noxian Empire had expanded outward, destroying countless peoples and nations. Amid the curses of countless restless spirits, the empire's capital had continued to grow and prosper in the shadow of this fortress, steeped in resentment.

From the Valoran Continent to Ionia, the First Lands; from the Sea of Conquerors to the Sea of the Watchers, the Noxian Empire's territory stretched north to Freljord's icy ravines, west to Whitecliff City, just one mountain away from Demacia, and south to several ports on Shurima's northern coast, as well as several islands off Ionia... The banners of Noxian conquest flew across nearly half the lands of Runeterra. The empire was unquestionably the mightiest in the world!

Across all of Runeterra, no one dared defy the empire's authority, and no one dared provoke its fangs—not even Demacia, Freljord, or Ionia!

Even while fighting on three fronts, the empire's legions had kept those foolish enough to resist it firmly suppressed! Given time, the empire would defeat those stubborn holdouts and rule all of Runeterra. It was only a matter of time.

Every Noxian believed this without a doubt...

Yet,

Today, the bells of the Trifarix Council in Noxus's Immortal Bastion rang once more. They summoned the empire's leaders and nobles to a meeting, but not to launch an invasion or put down some local rebellion. They had far thornier matters to deal with.

"..."

"..."

The meeting had been going on for a long time. After arguing for ages, the empire's generals and leaders still hadn't come up with a single reasonable, effective plan.

The matter was the capture of Jericho Swain, the Noxian Grand General, Darius,