On the Observatory, there were two "heavy weapons" stationed—
One was the Heavenly Observation Mirror used for divining the fate of the nation, and the other was the Demon Extermination Crossbow that struck terror into the hearts of the Demon Clan.
Years ago, in order to combat the Southern Barbarians, the Great Yuan dispatched all its elite troops, leaving the Capital City's defenses vulnerable, thus providing an opportunity for the Demon Clan.
In no time, chaos reigned as demons and strange creatures ran rampant, plunging Tiandu City into deep water and scorching flames.
These demons were cunning and excelled at disguise, making it difficult even for those nearby to distinguish friend from foe. Some even replaced a First-rank Official of the current dynasty, causing grievous harm!
Seeing the nation's society on the brink of collapse, the court teamed up with Wuwan Temple to set up the Eightfold Exorcism Array to consolidate national fortune and discern demons.
