One idea could be that Aya discovers the hound has a special power, like the ability to communicate with spirits. Then they embark on a journey to help lost souls find peace.
Maybe the hound gets injured and Aya has to find a rare herb in a dangerous forest to heal it. Along the way, she meets various creatures and learns more about the world she lives in. This would add adventure and a sense of purpose to the fanfic.
Well, obviously Aya and the hound are the main characters. Aya could be a young girl with a brave heart and a curious mind. The hound might be a loyal and strong animal with some mysterious qualities.
A possible plot could be that the hound is wrongly accused of attacking a farm animal. The fox, who has come to see the hound as a friend, sets out to prove his innocence. The fox has to gather evidence while avoiding the farmers who are out to get the hound. This story could show their deepening friendship as they face this difficult situation together.
One idea could be the Hound protecting Sansa in a new and dangerous situation outside of King's Landing. Maybe they encounter a group of bandits and the Hound uses his combat skills to keep Sansa safe.
One idea could be the Hound's journey after leaving King's Landing. He could encounter a group of outcasts and form an unlikely alliance to protect a small village from raiders. It would show his growth from a bitter, angry man to a more empathetic protector.
One idea could be that Dio and Aya are forced to team up to escape the horrors of the mad father's mansion. They start off distrusting each other but gradually learn to rely on one another.
One interesting plotline could be Arya and the Hound going on a quest together to find a long - lost treasure. They might face various challenges along the way, like fighting off bandits or surviving in harsh terrains.
One interesting plotline could be Arya and the Hound facing a new and powerful enemy together. Maybe they encounter a group of bandits with a cruel leader, and they have to use their combined skills to defeat them.
Another plot could revolve around the characters having premonitions of the events that are going to occur in the quarry. They then have to decide whether to trust these visions and how to act upon them. This could add a whole new layer of suspense and mystery to the story.
One idea could be a time - travel plot. The Backyardigans accidentally find a magical object in the backyard that sends them to different eras in history. They could have to work together to find their way back home while also learning about the different time periods. For example, they might end up in the prehistoric era and have to deal with dinosaurs.
One idea could be a story where one of the dalmatian puppies gets lost during a family outing and has to find its way back home, facing various challenges along the way.