It could be that the dark arrow is part of an ancient curse. When Chris is hit, he starts having visions from the past related to the origin of the curse. These visions guide him to find a hidden relic that has the power to break the curse not only for him but also for an entire community that has been suffering from it for ages.
One possible plot twist could be that the dark arrow has some sort of magic that starts to transform Chris into a dark being against his will. As he struggles with this new dark side, his friends or family have to find a way to reverse the process.
Maybe the dark arrow was sent by a wrongdoer who actually targeted the wrong person. Chris, instead of succumbing to the arrow's harm, decides to track down the sender and in the process discovers a conspiracy that was much bigger than he thought. So, he has to fight against the real villains while dealing with the after - effects of the arrow hit.
It could be a dark wizard. Dark wizards are often associated with using dark arrows as weapons in fanfiction. They might have a vendetta against Chris for some reason, like he unknowingly disrupted one of their dark magic experiments.
One possible plot twist could be that Itachi has been mind - controlled to kidnap Sakura. Maybe an enemy of Konoha has a powerful jutsu that forces Itachi to do this against his will. Another twist could be that Itachi kidnaps Sakura as a means to protect her from a greater threat in the shinobi world that no one else is aware of yet. He might know that she has some sort of power or knowledge that makes her a target, and by kidnapping her, he can keep her safe in a hidden location.
One possible plot twist could be that Naruto is captured but instead of Orochimaru using him for his own power gain immediately, he tries to turn Naruto against Konoha. He might show Naruto some 'hidden truths' about the village that are actually lies or half - truths, creating internal conflict within Naruto. Another twist could be that Orochimaru's experiment on Naruto goes wrong in an unexpected way. Maybe Naruto's chakra reacts with Orochimaru's jutsu and creates a new form of power that neither of them can control at first.
One possible plot twist could be that the kidnapper is actually related to Naruto in some way. Maybe a long - lost relative who has some sort of vendetta against the Hidden Leaf Village and thinks taking Naruto will give them leverage. Another could be that the kidnapper is being controlled by a greater evil force that wants to use Naruto's special powers for their own dark purposes. For example, they might want to extract the Nine - Tailed Fox's chakra from Naruto while he's still a baby and vulnerable.
One possible plot twist could be that Dark Naruto tries to change the past to prevent his own dark transformation. He might attempt to save someone important who in the original timeline led him down the dark path. For example, if it was the death of a certain character that made him turn dark, he could go back and try to save that person. This would completely change the future and the Naruto we know from the original story.
One possible plot twist could be that the girl, instead of being severely injured, discovers she has some sort of supernatural power as a result of the accident. Maybe she can now see the spirits of the dead more clearly, which ties into the dark and supernatural themes often present in 'Black Butler'.
A possible plot twist is that Piper's pregnancy affects her powers in unexpected ways. For example, her ability to freeze time might start to act up and freeze random things or people that she doesn't intend to. And perhaps Chris has a connection to an old enemy that resurfaces because of the pregnancy, putting Piper and the baby in danger.
Well, perhaps the Joker could manipulate the legal system in ways no one expects. He might use his charm and chaos - loving nature to turn the trial into a circus.
One possible plot twist could be that Lorelai initially tries to hide her pregnancy from her family and friends. She might be afraid of their reactions, especially if she's not in a stable situation. For example, if she's a young woman still in school or just starting out in her career, the pregnancy could be a huge disruption.
One possible plot twist could be Naruto struggling with the dark reputation associated with Orochimaru. Since Orochimaru is known for his unethical experiments and evil deeds, Naruto might face distrust from the village. Another twist could be that Naruto has an inborn talent for snake - related jutsus due to his supposed father. This could lead to a whole new set of training and challenges as he tries to master these unique abilities while also dealing with the moral implications of using Orochimaru - inspired techniques.