The Ten Ultimate Immortal raised her hand, and the Heavenly Immortal Grand Formation began to turn.
Under her control, the formation was like a mighty Heavenly Immortal wielding Divine Abilities and Law Techniques, possessing the power to remake heaven and earth.
In the hands of a Heavenly Immortal, a Heavenly Immortal Grand Formation was both a Killing Formation and a formation of creation.
Its power could remake heaven and earth, move mountains and fill seas, and create things out of nothing.
This was what made a Heavenly Immortal-level formation so terrifying. It was not merely a defensive Grand Formation, but a supreme Law Treasure capable of resonating with heaven and earth.
Her voice carried in every direction:
"This formation is called the Great Maitreya-Heaven Formation. It is a middle-grade Heavenly Immortal formation."
The weight of those words, "middle-grade Heavenly Immortal formation," was enough to make any Heavenly Immortal Early Stage cultivator look twice.
Heavenly Immortal formations were divided into four levels: lower grade, middle grade, upper grade, and supreme grade.
A lower-grade formation could trap and kill a Heavenly Immortal Early Stage, a middle-grade formation could battle a Heavenly Immortal Middle Stage, an upper-grade formation could withstand a Heavenly Immortal Late Stage, and even a peak-stage Heavenly Immortal would regard a supreme-grade formation with considerable wariness.
The Great Maitreya-Heaven Formation was a middle-grade Heavenly Immortal formation, meaning that when it operated at full power, even a mighty Heavenly Immortal Middle Stage would struggle to breach it.
And the Ten Ultimate Immortal, who controlled it, wielded this middle-grade Heavenly Immortal formation with her True Immortal Mid Stage cultivation. Her actual combat strength was already no weaker than that of a Heavenly Immortal Middle Stage.
Boom!
She refined the formation disc, directed the Formation Flags, took command of the Grand Formation, and