In this 'naruto gets really sick fanfiction', it could be that Naruto's illness is a curse placed on him. The story might then focus on his journey to find a cure. He could go on a quest to find a rare herb or seek out a hermit who has the knowledge to heal him. Along the way, he might meet new characters who either help or hinder his progress. His sickness could also make him question his own strength and purpose as a ninja.
One possible plot development could be that his friends rally around him. For example, Sakura might use her medical skills to try and figure out what's wrong. Another could be that Naruto's illness is somehow related to a new enemy or an old foe's hidden jutsu. It might also lead to Naruto having to rely on others more than he's used to, which could be a big character - growth moment for him.
Well, perhaps in the fanfiction, Naruto's sickness is a result of overusing his chakra in a previous battle. His body is weakened, and he starts to have visions or strange dreams that give him clues about a future threat. His friends, like Shikamaru, might take on leadership roles to protect the village while Naruto is ill. And his relationship with Hinata could also develop in a new way as she takes care of him.
In this 'naruto gets poisoned fanfiction', Naruto could also try to fight the poison using his own chakra. He might enter a state of inner struggle where he has to battle the effects of the poison on his body while still trying to protect the village. His Nine - Tails chakra could play a role, either helping him resist the poison or making the situation more complicated if it reacts badly with the poison.
Well, a plot development could be that Naruto, as a Kitsune, discovers a hidden Kitsune society within the Naruto world. This society has its own rules, hierarchies, and secrets. Naruto would have to navigate through this new world while still holding onto his values as a ninja. He could learn unique Kitsune techniques and magic that could be used to protect his village. And perhaps there's a prophecy in the Kitsune society that Naruto is meant to fulfill, which would add an element of destiny to the story.
One possible plot development could be that his friends, like Sakura and Sasuke, come to take care of him. Sakura uses her medical skills to try and bring down his fever. Another could be Naruto having fever-induced dreams about his past, like his lonely days as a child. Maybe he even hallucinates about his parents. It could also lead to a situation where the village is in danger, but Naruto is too sick to help at first, creating a sense of tension and urgency among the other characters.
One possible plot development could be that Naruto's friends rally around him to protect him while he recovers. They might seek revenge on the one who stabbed him.
Another aspect could be how the village reacts to Naruto having a large family on the way. There could be both positive reactions, like seeing it as a sign of Naruto's strength and legacy, and negative ones, perhaps from those who are jealous or worried about the resources needed for such a large family. In this fanfiction, it might also explore the relationships between Naruto and each member of his harem as they navigate this new phase of their lives together.
A plot could develop where Naruto and Tsunade try to keep the pregnancy a secret at first. As the pregnancy progresses, it becomes harder to hide. Naruto may start to train even harder to prove himself worthy of being a father and to protect his unborn child. Tsunade, on the other hand, might face challenges from the medical community as her pregnancy at her age could be considered high - risk. And there could be a rift in their relationship as they deal with the stress and the different ways they approach the situation.
Perhaps Sakura's injury makes her realize she has some hidden strength within her. She could start to have visions or gain new abilities while she's recovering from the stabbing. This could then lead to a whole new arc in the fanfiction where she has to learn to control these new powers.
Well, one possible plot development could be that the kidnappers demand a ransom from Batman. Batman then has to race against time to find Robin without alerting the media or causing panic in Gotham. Another development might be that Robin manages to leave some hidden clues for Batman to find while being held captive. Maybe he uses his martial arts skills to briefly overpower one of the kidnappers and mark a symbol on the wall that only Batman would understand.
Well, one possibility is that Merlin's friends, like Arthur, might search desperately for a cure. They could go on a dangerous quest to find a rare herb or consult a powerful sorcerer who might know how to save him. Another could be that Merlin, while poisoned, has strange visions or dreams that give him clues about his true destiny or the future of Camelot.
Well, one possible plot development could be that after Christy gets shot, her friends or family rush to her side and try to find the person who did it. Maybe they start to investigate and discover some secrets in the process.