In such a fanfic, a likely plot development is that Adrien's own insecurities play a major role in his turn to the dark side. He might feel constantly overshadowed by others, for example, if there are other heroes who seem to get more attention or credit. This could make him resentful and vulnerable to the temptations of the dark side. The dark side could offer him a chance to stand out and be feared rather than overlooked. Additionally, a prophecy or a foretelling that he will be a great force on the dark side might influence him. He may start to believe it and gradually embrace the dark side as his destiny.
Well, one possible plot development could be that Harry uses the cane as a symbol of his new dark power. Maybe he starts to use dark magic in ways that are unexpected, like using the cane to channel dark energy for attacks. He could also start to turn against his old friends, causing a rift in the wizarding world.
Luke might turn to the Dark Side if he experiences a great personal loss. Suppose his friends or family are killed and he blames the Jedi way for not being able to protect them. In his grief and anger, he could be lured by the power that the Dark Side offers. It gives him a false sense of control and the ability to seek revenge. Also, if he were to be exposed to powerful and alluring dark side artifacts or knowledge, it could corrupt his mind and make him question the teachings of the Jedi.
One possibility is that Adrien feels betrayed by his friends or the heroes around him. Maybe he discovers some dark secrets about the so - called good side that make him question his loyalty. For example, if he finds out that the heroes have been using him or hiding important information from him. This could push him towards the dark side where he might think he can find more truth and power.
One possible plotline could be that Ahsoka feels betrayed by the Jedi Order. Maybe she discovers some dark secrets within the Order that make her lose faith in the light side. This could lead her to be lured by a powerful Sith Lord who offers her a new way of seeing things, and slowly she starts to embrace the Dark Side, using her skills in new and more aggressive ways.
One plot idea could be that they discover they're pregnant unexpectedly. Maybe they're still in high school and have to deal with the reactions of their friends and family. Their friends could be initially shocked but then become very supportive. Another idea is that an akuma attack somehow affects the pregnancy, adding a layer of danger and drama.
One possible plot development could be that Dark Harry has some ulterior motive for kidnapping Hermione. Maybe he wants to use her knowledge to further his dark plans. For example, Hermione is known for her intelligence and vast knowledge of magic, and Dark Harry might force her to help him find a powerful and dark magical artifact.
Well, one possible plot development could be that Harry starts to question the existing power structures in the wizarding world. Maybe he feels that the so - called good side has its own flaws and secrets. He might then begin to amass his own power, secretly at first, perhaps by seeking out dark magic spells that have been long forgotten. He could start to gather followers who are also disillusioned with the status quo.
One possible reason could be extreme loss. If Cal were to lose all his friends and allies in a tragic way, he might feel so much pain and anger that it drives him towards the dark side. For example, if his newfound Jedi family was wiped out by the Empire, the grief could cloud his judgment and make him vulnerable to the dark side's temptations.
In some 'Adrien gets akumatized fanfiction', his akumatization could be caused by a misunderstanding with his father. This could lead to his akumatized form having powers related to control or isolation, like being able to trap people in a sort of prison made of his negative emotions. The story could then focus on how Marinette, as Ladybug, tries to reach out to the real Adrien inside the akumatized form. She might have to dig deep into their relationship and use memories they've shared to break through to him.
One possible plot development could be Naruto gaining new and extremely powerful abilities. For example, he might be able to use Kyuubi's chakra in more refined ways, like creating unique jutsu that combine his own skills with the raw power of the Kyuubi. This could make him nearly invincible in battles against his enemies. Another aspect could be his relationship with his friends and the village. With the new power, some might fear him while others try to understand and support him. It could also lead to Naruto having to face new and stronger foes who are attracted by his enhanced power.