I only reached the Foundation Establishment stage at eighty years old, and then the system appeared.

Yang Hongbo brought five million of his people to the Demon Continent, not to let them watch a show on a large battlefield. Warships and airships could handle that. But for those sects with hundreds of thousands or millions of demons, these people could be sent into battle.

Therefore, Yang Hongbo said to Sect Master Shi, "Sect Master Shi, there are too many demons. We need to find a way to wipe them out in one fell swoop. I brought five million of my people to the Demon Continent this time, not for them to watch the show. Large battlefields can be handled by warships and airships, but for those sects with hundreds of thousands or millions of demons, we can send these people into battle. Five million people are more than enough to deal with these demons."

The sect leader nodded and said, "Clan Chief Yang is absolutely right. Moreover, the reason we brought these sect disciples here this time is to train them and improve their strength in actual combat, not to send them to their deaths. However, if any high-level demons appear, Clan Chief Yang will have to send out Immortal Emperor level experts to kill them, since the Yang family is generally composed of Immortal Lords to Great Luo Golden Immortals."

Yang Hongbo smiled confidently, "Sect Master, rest assured, the Immortal Emperor realm experts on the warship are keeping a close eye on everything on the battlefield. Once a high-level demon is spotted, I will immediately arrange for an Immortal Emperor realm expert to take action and ensure the safety of my clansmen."

Just then, a disciple in charge of reconnaissance rushed over and said, "Reporting to the clan leader and sect master, a demonic sect has been discovered ahead. There are about 800,000 demons in the sect, and one of them is a Demon Emperor level expert."

A hint of excitement flashed in Yang Hongbo's eyes as he said, "Good, this is a perfect opportunity to train our troops. Pass on my orders to divide our five million clansmen into ten small teams, each with five hundred thousand members, and have them attack this demonic sect from different directions. At the same time, arrange for a Celestial Emperor realm expert to secretly follow them, in case that the Demon Emperor realm expert makes a move."

"Yes, clan leader!" The disciple accepted the order and left.

In no time, the five million members of the clan split into ten small teams, like ten sharp daggers, and charged towards the demonic sect. Upon discovering the approaching immortal army, the demons within the sect poured out and engaged in fierce battle with the immortals.

On the battlefield, the immortals of the Celestial Race were in high spirits. They wielded their celestial weapons and unleashed powerful celestial spells, driving the demons into a retreat. Although the demons outnumbered the immortals, they gradually began to falter under the fierce attacks of the Celestial Race.

However, just as the battle was raging, the Demon Emperor realm expert finally couldn't hold back and made his move. He flashed onto the battlefield, radiating powerful demonic energy, and wherever he passed, immortals were blasted away.

"Hmph, you immortals dare to attack our Demon Sect! Today, we'll make sure you never leave alive!" The Demon Emperor Realm expert roared, forming hand seals, and a giant demonic palm slammed towards the immortals.

At this critical moment, a figure suddenly appeared in front of the demonic grasp; it was none other than the Immortal Emperor Realm expert whom Yang Hongbo had secretly arranged to follow. He snorted coldly, waved his hands, and a powerful barrier of immortal energy appeared before him, blocking the demonic grasp.

"Your opponent is me!" the Immortal Emperor Realm expert said coldly, then flashed and charged towards the Demon Emperor Realm expert. The two instantly engaged in a fierce battle. In an instant, light flashed, and demonic energy and immortal power intertwined, forming a shocking scene.

Yang Hongbo and Sect Master stood on the warship, closely observing the situation on the battlefield. Seeing the Immortal Emperor Realm expert fighting against the Demon Emperor Realm expert, Yang Hongbo nodded and said, "Sect Master, you see, our arrangement is working. With the Immortal Emperor Realm expert holding back that Demon Emperor Realm expert, our people can fight the Demon Race with peace of mind."

Master Shi smiled and said, "Clan Chief Yang is wise. In this way, our people can improve their strength in actual combat while ensuring their safety. It's truly killing two birds with one stone."

After a fierce battle, the immortals of the celestial race finally succeeded in conquering the demonic sect. The demons within the sect were all wiped out, and the demon emperor-level expert was killed on the spot by the immortal emperor-level expert's attack.

Looking at the demon corpses strewn across the ground, Yang Hongbo addressed his people, "You did a great job! In this battle, you not only demonstrated courage and fearlessness, but also improved your strength through actual combat. This is the purpose of our trip to the Demon Continent: to grow stronger through battle!"

The people cheered, their eyes filled with confidence and fighting spirit. They knew that under Yang Hongbo's leadership, they would surely be able to completely drive the demons out of this world and restore peace and tranquility to the Immortal Continent.

Thus, the Immortal army continued its advance across the Demon Continent, like a sharp blade. Yang Hongbo, seeing the high morale of his people, felt immense satisfaction. He waved his hand and shouted, "Continue forward! Let the Demons know the might of our Immortal race!"

The mighty immortal army continued its advance across the demon continent, encountering numerous smaller demon forces along the way. These smaller forces were utterly no match for the immortal army; often, before they could even react, they were decimated by the immortals' magical attacks.

However, the demon high command soon learned of the unfavorable situation at the front. In a gloomy and terrifying demon palace, a group of demon emperors sat around a huge magic stone table, the atmosphere so oppressive it was hard to breathe.

A burly demon emperor with a face full of scars slammed his fist on the table and roared, "This immortal army is too arrogant! How dare they act so recklessly on our demon continent! When has our demon army ever suffered such humiliation?!"

Another Demon Emperor, tall and thin with sinister eyes, sneered and said, "Hmph, they're just relying on those warships and airships. On the Immortal Continent, our Demon Army was invincible, but here, the attacks from those warships are too fierce, and our ordinary demons can't even get close."

At this moment, a demon elder dressed in black robes, exuding an eerie demonic aura, slowly spoke: "Gentlemen, do not panic. Our demon army is not without a countermeasure. Although those warships are powerful, their massive size will inevitably hinder their maneuverability. We should instead launch a dispersed attack, preventing their warships from concentrating their firepower on us."

"Furthermore, we can take advantage of their search for supplies, wait for an opportunity, and then suddenly strike, catching them off guard."

The burly general's eyes lit up, and he exclaimed, "Elder, this plan is brilliant! Our demon army will disperse and attack the immortal army from all directions, catching them off guard. Once they're in disarray, we can concentrate our forces and annihilate them in one fell swoop!"

The other generals nodded in agreement, and the demon high command quickly issued the order to disperse and attack. In an instant, the demon army, which had been gathered together, scattered in all directions like a tide, disappearing into every corner of the demon continent.

Yang Hongbo stood on the warship's command platform, his brow furrowed slightly as he looked at the empty landscape ahead. He said to the sect leader beside him, "Sect Leader, why has the demon army suddenly disappeared? Could it be that they're afraid and have gone into hiding?"

After a moment of contemplation, the sect leader said, "Clan Chief Yang, the demons are always cunning; they won't admit defeat easily. I suspect they're trying to spread out their attacks to prevent us from concentrating our forces."

Yang Hongbo nodded and said, "Sect Master is right. However, we don't need to worry. Our warships and airships are equipped with advanced detection equipment. Even if they disperse and hide, they won't escape our notice. Pass on my order: all warships and airships should be on high alert. Once the demon army is detected, launch an attack immediately!"

"Yes, Chieftain!" The messenger obeyed and left.

Before long, the detection equipment discovered the traces of the demon army. It turned out that after the demon army dispersed, one part attempted to launch a flanking attack on the immortal army, while the other part hid underground, concealing their presence, preparing to launch a surprise attack from behind the immortal army.

Looking at the images transmitted by the detection equipment, Yang Hongbo sneered and said, "Hmph, the demon army has indeed taken the bait. Issue my order: split the warships and airships into two groups. The warships will engage the demon army on the flanks, while the airships will enter the void, giving those demons hiding in the shadows a surprise!"

Warships and airships sprang into action, with those engaging the demon army on the flanks firing first. Powerful beams of energy shot towards the demon army like lightning, instantly blasting a swathe of demon cultivators to smithereens. The demon cultivators screamed in terror, fleeing in all directions, but they were utterly unable to escape the warships' attacks.

Meanwhile, in the void, the warships that had entered also discovered the demon army hiding underground. These demons, who had thought themselves well-hidden, were easily detected by the immortal warships' detection equipment. Before they could even react, the immortal warships launched a fierce attack.

Beams of energy shot out from the void like dazzling meteors, but these "meteors" carried deadly power, slaying hordes of the demon army hiding underground.

A demon emperor, witnessing the horrific scene before him, roared in fury, "How is this possible! How could they have found our hiding place? Those despicable immortals must have used some kind of evil magic!"

Another demon cultivator said with a mournful face, "Demon Emperor, what should we do now? If this continues, we will all be killed."