The formation nexus of the Earth-Origin Ultimate Array was the key to linking the formations of the seventy-two immortal mountains. It could not be stored within the Azure Cloud Grotto-Heaven, so it had been placed at the outer mountain gate of the Scarlet Flame Sect.
By controlling the nexus, one could wield the power of the grand array for slaughter, defense, suppression, deception, and refinement. If one were willing to exhaust the earth veins and spirit veins, it could even contend with and slay immortals!
Should any mishap befall the Scarlet Flame Sect—for instance, civil strife erupting between factions, the sect's upper echelons having their Divine Souls and minds controlled by a great enemy, or true immortals infiltrating the sect—then once this grand array was completely controlled and driven at full force, even Shen Mo might be trapped within it and refined to death alive.
Thus, Shen Mo had been exceptionally cautious when assigning the array's permissions...
His true body personally held the highest authority over the formation nexus, while the second-tier authority was divided into multiple portions. Each portion was forged into a spirit key, making thirty spirit keys in total.
He then distributed the spirit keys to the three vice sect masters, Yuan Heming, Situ, and Mingcang, as well as Chen Mengze, Jin Chinian, Yuan Jing, Xu Liang, Feng Wushuang, Daoist Thunder Corpse, and the leaders of the Nine Peaks, One Lake, and major halls.
Zhao Lingyin was his Dao companion, while Meng Biao, the deputy hall master of the Hall of Hundred Arts, was responsible for improving the grand array, so they each received a spirit key of authority as well.
However, since Zhao Lingyin was still in the lower realm and had yet to return to the mountain gate, the spirit key belonging to her was