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Li Tian Gang summoned an additional forty thousand from the two-hundred-thousand-strong army, adding them to the previously gathered ten thousand, to continuously supply energy to the Array.

Simultaneously, as the spirits of demons within the Array were activated, roars thundered out from it.

The demonic spirit that had previously merged with Li Tian Gang had already returned to the Array.

Now replenished with energy, it surged forth again, along with four other Unwithering Realm Great Demons.

They charged into the incoming tide of demons, heading straight for those from the Three Immortal Realms.

With the energy from the Array, they were in their peak state, attacking with ferocity and fearless abandon.

Soon, several Great Demons from the Three Immortal Realms were grievously injured and had to temporarily retreat behind the demonic tide, leaving their armies, led by Great Demons of the Heavenly Human Realm, to charge forward!

These demons relentlessly pressed on, suffering countless deaths and injuries under the savage offensive of the five demonic spirits.

More of the Three Immortal Great Demons formed formations, hunting down solitary demonic spirits.

Beyond these five Unwithering Realm spirits, there was also the spirit of a Demon King within the Array.

Now roaring forth, it targeted a Demon King stationed further from the defensive line.

This Demon King was actually the Dragon Lord, who had stepped forward as a vanguard sent by the Dragon Sect.

Carrying a bounty on his back, this was the moment for him to make a stand for the Dragon Sect.

He relentlessly attacked, aiming to destroy the Array and drain its energy, knowing that once the energy was depleted, the Array would naturally collapse.

At that moment, as the spirit of the Demon King enveloped him, the Dragon Lord revealed his true form, releasing a resounding dragon's roar and engaging in battle.

The entire vast eastern defensive line had plunged into all-out war.

An immense tide of demons, countless beasts, and innumerable border warriors fighting back desperately, resolved to battle to the death.

Countless arrows fell like rain into the covering tide of demons, as dragons and phoenixes echoed between heaven and earth, with a firestorm raging overhead, akin to an epic myth.

Signal fires shot into the sky, reporting military intelligence from various locations.

Li Tian Gang hovered in the air, his expression dark and intense, overseeing the Array and commanding the whole situation.

He issued orders nonstop, maneuvering troops and deploying generals to reinforce key points.

After years of campaigning in Northern Yan, his study and understanding of war strategies and the structure of Arrays were extraordinary.

At this moment, using the soldiers from Yuan Camp to replenish the Array's energy, he would occasionally call back the encircled demonic spirits, leveraging the Array's power to extricate them and then send them to charge into another part of the battlefield, moving unpredictably.

Demons near the defensive line were suddenly overpowered by the blasting spirits, suffering heavy casualties and death.

"A mere Six Phases Star Formation thinks it can stop us!"

"Li Tian Gang, let's see how long you can hold out!"

Outside the Array before Li Tian Gang, including an elder from the Great Void Realm and a young Demon King as well as two Demon Kings from the Dragon Sect, there were four Demon Kings!

And at both ends of the defensive line, there were two more, totaling six Demon Kings who had revealed themselves!

Boom!!

The four Demon Kings, with murderous intent on their faces, attacked at once, raining down terrifying assaults that shook the Array and scattered divine light across the heavens.

The golden light on the Array trembled, divine runes rapidly flickered like afterimages, absorbing and resisting their attacks.

Within the Array, with every strike from the four Demon Kings, the fifty thousand soldiers from Yuan Camp trembled, their faces flushed with blood.

Their entire bodies were cloaked in rainbow-like radiance, their Qi Force completely absorbed by the Array, transformed into power to resist the Demon Kings' attacks.

The Six Phases Star Formation could convert their power into a catalyst, drawing upon the celestial forces of the stars and constellations, turning it into the mighty power of the Array.

Otherwise, relying solely on the power of fifty thousand people, the Array could not have sustained for even the time it takes an incense stick to burn.

"We must focus on one point!" said the Demon King who was an elder from the Great Void Realm.

His arms became withered, and new buds sprouted from his cheekbones; he was a Ten Thousand Year Vine Monster.

Upon his command, the other three Demon Kings immediately gathered and launched their assaults towards the spot he had indicated.

Seeing this, Li Tian Gang's expression shifted subtly; he suddenly flipped the divine blade in his hand, stepping forward in quick succession, once again deploying his Martial Tao Extreme Meaning Skill.

Thump! Thump! Thump!

With each step, his aura surged tremendously; he fiercely slashed out a dazzling, moon-like blade of light.

The blade of light shot straight through the exterior of the Array, landing on the attacking Demon Kings.

The violent collision released a terrible energy, impacting the Array.

Although the Demon Kings' attacks didn't directly hit the Array's focal point, being so close and compounded by the uncontrolled energy from Li Tian Gang's shattered blade light, they also struck the Array, causing a formidable impact.

Splat! Splat! Splat!

Within Yuan Camp, many continuously spurted blood vehemently.

Some could no longer stand, their bodies swaying on the verge of collapse.

Even some of the higher ranked squad leaders were as pale as paper, nearly drained of all their Qi Force.

But their eyes were resolute, fixed on the Demon Kings outside the Array, filled with an indomitable killing intent.

This was the most elite army of the Li Family for hundreds of years.

In Yuan Camp, the most ordinary soldiers were elite compared to those of other armies.

Li Tian Gang's expression was grim as his gaze swept around; he could see the packed dark tide at both flanks of the defensive line.

Such a massive demon offensive had only been seen a handful of times during the decade-long Northern Yan campaign, where demons typically infiltrated in small numbers, probing repeatedly, unwilling to risk substantial losses.

The Palace Master of the Holy Palace was clearly more reluctant to risk his forces.

But the Great Void Realm and the Dragon Sect seemed far more reckless.

"Send the order, open small gaps in the Arrays at some critical nodes, let some demons through, and have the Fazi Camp's guards hunt them down to relieve the Array's pressure!"