Don't Let Me Stay Up All Night

As everyone knows, there is a power in the southern region that absolutely cannot be provoked—the Grass Hall. 
The eldest disciple is the Sword Saint of the southern region, with a godly understanding of swords. 
The second disciple is the Eternal Empress, who ruled an era. 
The third disciple is a great scholar of the current generation, the reincarnation of the immortal of literature. 
The fourth disciple is the reincarnation of a demon god, suppressing the Nine Hells. 
Lu Changsheng: Me? I'm nothing special, just their master.

I See the Aura of the Great Emperor in All My Disciples

The integration of three small array formations would prevent the Nine Netherworld Formation from releasing attacks.

Lu Changsheng thought for a long time.

He practiced in his mind for a long time.

Finally, he thought of a way to solve the problem.

He changed the positions of the three array formations.

Don't hide the core of the Nine Netherworld Formation to prevent a conflict.

And before that, Lu Changsheng set up three array formations and stuffed them into the Nine Netherworld Formation.

Be it attributes or offensive power, these three array formations would not clash with the Nine Netherworld Formation.

Therefore, the problem definitely did not lie with the array and

Lu Changsheng began to think of other ways.

He had replayed it in his mind many times and refuted the thoughts as many times.

Only this solution had the highest chance of success.

A Bug In The System?