Maybe Harry is sold to a group of magical creatures. These creatures initially seem menacing but as the story progresses, Harry discovers that they have their own reasons for taking him. He uses his magic and kindness to build a bond with them and eventually finds a way back to the wizarding world.
One possible plot could be that Harry is sold to a dark wizard. The wizard might want to use Harry for his own dark purposes, perhaps related to the power he holds as 'The Boy Who Lived'. Harry then has to find a way to escape and seek help from his friends at Hogwarts.
Dumbledore could step in. As the most powerful wizard in the wizarding world, he has a deep connection with Harry. He would likely use his vast network of contacts and his own magic to find Harry. Dumbledore would also be concerned about the implications of Harry being sold and would want to protect him from any potential harm.
One possibility could be that Harry, out of a sense of duty or some form of magical coercion, decides to follow his uncle's every order in order to protect his aunt and Dudley from a new magical threat. He might suppress his own desires and instincts to keep them safe.
One possible plotline could be Harry being sold due to some dark magic plot against him. Snape then has to deal with this unexpected situation and protect Harry from further harm. Another could be that it's a part of a deal to save the wizarding world, and Snape and Harry must learn to work together in this strange new dynamic.
In this fanfiction, it could be that Stryker has been seeking a powerful being like Harry for a long time. When Harry is sold to him, Stryker first tries to study Harry's magic. Harry initially feels hopeless but then discovers a weakness in Stryker's security or plans. He uses his intelligence and the magic he still has access to, despite being in a difficult situation, to turn the tables on Stryker and eventually escape. This could also lead to Harry bringing down Stryker's whole operation to prevent others from being sold or used in the future.
In this kind of fanfiction, perhaps Harry, out of fear or some form of coercion, starts to obey Uncle Vernon's every order. Maybe Vernon uses threats about expelling Harry from the house or withholding food to make him submit. This could lead to a very different dynamic in the Dursley household, with Harry being more submissive and not showing his usual defiance.
One possible storyline could be Harry facing his fear of his uncle in a more in - depth way. Maybe he has to confront his uncle in a magical setting within the fanfiction, like in a dream - like realm where his boggart - uncle taunts him with his past memories of mistreatment. This could lead to Harry finding new ways to overcome this fear, perhaps by using a new spell he discovers.
Well, it could be about Harry Hook learning important life lessons from his father. Maybe his father teaches him how to be a better pirate, like showing him secret navigation techniques or how to handle a crew.
Well, in this fanfiction, it could be that Harry drops his mask as a form of self - discovery. He has been living with a false identity or a pretense for so long that when he drops the mask, he starts to explore who he really is. He might find new powers or a new purpose in life.
Perhaps it focuses on Harry's relationships. For example, his in - depth feelings for his friends. He might tell how Ron's loyalty affected him during tough times or Hermione's intelligence guided him. It could also be about his relationship with Ginny, how they really fell in love and overcame the challenges together.
In a 'Harry sold rescued Snape' fanfiction, the plot could start with Harry learning that Snape is held captive by a group of dark wizards. Harry realizes that he needs certain magical supplies or potions to break Snape free. Since he doesn't have the funds to buy these items, he decides to sell a rare spell book that he found in the Room of Requirement. This spell book has some unique spells that could potentially be used against the dark wizards. But once he sells it, he discovers that the buyer has some ulterior motives and is somehow connected to the group holding Snape. Now Harry has to not only get the spell book back but also figure out how to use it to rescue Snape while dealing with the new threats that have emerged.