Grand Tutor's Mansion.
Within the quiet chamber, radiance flowed.
A formation model condensed from pure Magic Power floated silently in midair.
The model was exceedingly complex. With tens of thousands of points of light as nodes and hundreds of millions of rays as its network, it outlined the mountains, rivers, and Earth Vein Power of the entire Chaoge City.
The patterns linked together, weaving into a vast and boundless formation diagram that completely enveloped the model of Chaoge City.
Yunxiao gazed at this masterpiece, which had consumed a full year of painstaking work from the thirteen of them. Even her normally placid, cold face showed a hint of emotion.
"It's finally complete."
She spoke softly.
"Big Sister, this formation diagram is a hundred times more profound than we initially imagined!"
Bixiao, the most lively of them all, had also put away her usual playfulness. Her bright eyes were filled with shock and pride.
"Using Chaoge's Earth Vein Power as its foundation, drawing upon the might of the Nine Provinces as its barrier, and using Human Dao Destiny as its core power source—such a feat is simply unheard of!"
"Once this formation is complete, unless a Sage comes in person, Chaoge City will be as impregnable as an iron fortress."
Qin Wan, the leader of the Ten Heavenly Lords, was equally filled with emotion.
"After a year of deduction, the thirteen of us joined forces and incorporated everything we had learned into it. Only then did we produce this perfect formation diagram today."
"We have not failed the Human Emperor's trust."
Qin Wan rose and cupped his hands toward Yunxiao.
"Senior Sister Yunxiao's attainments in formation arts are divine. Without your guidance, we likely would have needed another three to five years just to grasp its intricacies."
The other nine Heavenly