**The Fateful Voyage**

The sun was setting on the horizon as Iduna stood at the helm of the ship, her long brown hair blowing gently in the wind. She was on a mission to understand the extent of her daughter Elsa's powers, and the mystical river Ahtohallan was said to hold the secrets she sought. Beside her, her trusted advisor Agnarr stood watch, his eyes scanning the sea for any sign of danger. Iduna's thoughts were consumed by her daughters, Elsa and Anna. She had always known that Elsa's powers were a gift, but also a curse. The isolation and fear that had gripped their kingdom had taken a toll on them all. She was determined to find a way to help Elsa control her powers, and Ahtohallan was her only hope. As the stars began to twinkle in the night sky, a fierce storm rolled in, catching the ship off guard. The winds howled and the waves crashed against the vessel, threatening to capsize it. Iduna clung to the rail, her knuckles white with fear, as Agnarr struggled to keep his footing. In the chaos, Iduna was separated from Agnarr. She called out for him, but her voice was lost in the roar of the storm. The ship creaked and groaned, and then, in an instant, it was gone, splintered into a thousand pieces. Iduna found herself alone, clinging to a piece of debris as the waves tossed her about like a rag doll. She was battered and exhausted, but she refused to give up. She thought of Elsa and Anna, and the promise she had made to protect them. As the storm finally began to subside, Iduna spotted land in the distance. She was washed up on the shores of a foreign land, her body aching and bruised. She lay there, unable to move, as the sun rose over the horizon. Unbeknownst to Iduna, her journey had only just begun. She would soon find herself in the midst of a new and unfamiliar world, one that would test her courage and her wits. But for now, she simply lay there, her eyes closed, and let the warmth of the sun seep into her bones. Agnarr, her loyal advisor, had not been so fortunate. As the storm raged on, he had gone down with the ship, his body lost at sea. Iduna would learn of his fate soon enough, but for now, she was alone, and she knew it not. The sound of voices, loud and rough, cut through Iduna's haze. She opened her eyes to find a group of rough-looking men staring down at her. One of them, a burly man with a thick beard, reached out and grabbed her arm, pulling her to her feet. "Where am I?" Iduna demanded, trying to keep her voice steady. The man grinned, his teeth crooked. "You're in the southern isles, lady. You're a long way from home." Iduna's eyes narrowed, her mind racing. She had to get back to Elsa and Anna, but for now, she was at the mercy of these strangers. She took a deep breath, and let the man lead her away from the shore, into the unknown. As they walked, Iduna caught a glimpse of the southern isles, a land of rolling hills and dense forests. She saw the thatched roofs of the village, and the smoke rising from the chimneys. She wondered what lay ahead, and what kind of people lived in this place. The men took her to the village, where they were greeted by the villagers. Iduna was led to the castle, where she would meet the ruler of the southern isles, King Westergaard. She had no idea what lay ahead, but she was ready to face whatever challenges came her way. She was ushered into the throne room, where King Westergaard sat on his throne, his face stern and unyielding. Iduna stood tall, her eyes locked on the king, as she awaited her fate. The king's eyes narrowed, as he studied her. "So, you are the Queen of Arendelle," he said, his voice cold. "I must admit, I am surprised. I had not expected to see you here." Iduna's eyes flashed with anger, but she kept her cool. "I am here seeking answers," she said, her voice steady. "My daughter's powers are a mystery, and I seek to understand them." The king leaned forward, his eyes glinting with interest. "I see," he said. "And what do you hope to find here?" Iduna's eyes locked on the king, as she replied, "I hope to find a way to help my daughter, and to understand her powers. I will not rest until I have found the answers I seek." The king nodded, a small smile playing on his lips. "I think we can help each other, Queen Iduna," he said. "I have... interests in Arendelle, and I believe we can come to a mutually beneficial arrangement." Iduna's eyes narrowed, as she studied the king. She knew that she had to be careful, but she also knew that she had to try. She nodded, and the king smiled, as he extended his hand. "Welcome to the southern isles, Queen Iduna," he said. "I am King Westergaard, and I will do everything in my power to help you find what you seek." But Iduna had a feeling that the king's help would come at a steep price, and that her journey was far from over.