Hehehe...

The Lords' expressions turned awful after realizing what has happened. They sensed that an army of millions was crossing the Sea of Despair. That is also the precise reason the Lords' have their headquarters there. There was a dimensional rip created 5 million years ago, after the last showdown between the two races. The Lords would take turns to guard then, but this time, in their haste, they have forgotten to keep watch. The Demons have the entire land of Pangaea inside their pincer attack.

The only ones unperturbed by this news were Roran and Kolchias.

...

At the Demon army far, far away...

The commander was yelling the whole time. The Demons have come through large boats, each having a few small spaces inside, quite similar to Kolchias' stomach. Thus, each boat could carry around 200,000 Demons. The Demons were joyfully celebrating in there, while 1500 poor Demons had to navigate.

Then something happened. The Demons inside were worried about the violent shake, but they blamed it on the navigators. However, what really happened was a different story.

Thousands of birds were flocking over to the ships. They had already killed the navigators and were picking up the boats to send them back to the Realm of the Demons. They tried to make as little noise and movement as possible to not alert the Demons.

The Lords arrived precisely at that moment, seeing the army being disassembled by a rabble of birds. They immediately turned towards Kolchias. Kolchias cackled, "Hehehe..."

Roran stood out to explain what happened...

...

When Roran figured out that Higeroth is a Divine Craftsman, he was surprised. Thus, later that night, he asked the system about him. However, what the system said shocked him even more:

[Don't trust him. He is a Demon spy sent to scout out the surrounding area.]

Thus Roran, when hearing Kolchias talk about a Demon invasion, wasn't so worried. Then he told Kolchias about Higeroth on day 173 of the torturous flying. Kolchias was alarmed but was expecting a Demon spy to be sent out. Then when they arrived, Kolchias had already planned a mass of birds to be ambushing the Demons on both sides.

...

The Lords then received news. The other Demon army was the actual attack force. Roran smiled. Kolchias smiled. Seeing them smile, the Lords knew they had a plan. Thus, they all teleported to the other Demon army to witness the carnage. 5 Human soldiers were there. They had some sort of bow, but incredibly powerful. These were the Explosive Pistols that Roran had developed. They would explode magnificently and then kill tens of enemies. The power of this weapon was clearly illustrated in this battle. Roran had already had an explosive rise to his points from them(pun intended).

Then the birds appeared above the clouds. They were holding massive boulders and rolling them down Mount Scrycia. Hundreds of demons were crushed, while the rest were obstructed. Then a furious voice ran out.

"How dare you, devious human, to try to stop the unstoppable!"

Then a 7-meter figure flew straight towards Roran.

"The Hellfire Demon King!" The Lords exclaimed.

Then the Lord of Earth, a tortoise, moved. He summoned a great wall of Earth and blocked the Hellfire Demon King. Then the rest of the Lords moved. They chanted the same thing repeatedly, while Roran felt his hair pricking up at the power being emanated out of the Lords. Then it was all over. The Hellfire Demon King disappeared, while the rest of the Demon Army was obliterated. Roran received a clap on the back. The Lords were relieved.