Several months had passed since the four warriors had saved Atlantis from the threat of the missing ravens. The island was once again at peace, and its people were safe from harm.

But one night, a new danger presented itself. Thorne was on patrol when he heard an ear-splitting screech coming from the nearby forest. He drew his sword and ran towards the sound, his heart pounding in his chest.

As he reached the edge of the forest, he saw a group of shadowy figures emerging from the trees. They were unlike anything he had ever seen before, their eyes glowing with a malevolent light.

Thorne stepped forward, his sword raised.

"Who are you? What do you want?"

The figures laughed, their voices echoing through the forest.

"We are the Dark Ones," one of them said. "And we have come to claim Atlantis as our own."

Thorne gritted his teeth, his grip tightening on his sword.

"You will never take Atlantis from us. We will defend it with all our might."

The Dark Ones leapt forward, their weapons clanging against Thorne's sword. The battle was fierce, with Thorne using all his skill and strength to fend off the attackers.

But there were too many of them, and soon Thorne found himself being overwhelmed by their sheer numbers. Just as he thought all was lost, he heard a familiar voice calling out to him.

"Thorne! Over here!"

It was Ember, Arin, and Kael, who had heard the commotion and come to help. Together, the four warriors fought off the Dark Ones, using their swords and magic to defeat the attackers.

As the last of the Dark Ones fell to the ground, the group stood together, panting and bloodied but victorious. They looked around at the destruction that the Dark Ones had caused, knowing that this was only the beginning of a new threat to Atlantis.

"We must warn the queen," Thorne said, his voice grim.

"The Dark Ones have come, and they will stop at nothing to claim our home."

Ember nodded in agreement. "We cannot let them succeed. Atlantis must be protected at all costs."

Arin notched an arrow in his bow.

"We will stop them, no matter what it takes."

Kael placed a hand on his chest, feeling the magic within him pulsing with a new sense of urgency.

The group stood together, their weapons at the ready, as they prepared for the new threat that had presented itself to Atlantis. They knew that their journey was far from over, and that they must remain strong and united if they hoped to protect their beloved home from harm.

The four warriors returned to the palace to inform the queen of the new danger that had presented itself to Atlantis. The queen listened carefully as they recounted their battle with the Dark Ones and warned her of their intentions.

"We must take action immediately," the queen said, her voice grave.

"We will gather our forces and prepare to defend Atlantis."

Thorne stepped forward, his eyes shining with determination.

"We will fight alongside you, your highness. We will do whatever it takes to protect our home."

The queen nodded, a small smile forming on her lips.

"I know I can count on you, my brave warriors. Together, we will protect Atlantis from all who seek to harm it."

Over the next few weeks, the people of Atlantis worked tirelessly to prepare for the coming battle. The warriors trained rigorously, while the citizens fortified the walls and gathered supplies.