One common plot twist could be that the shot was actually a set - up by someone close to Conan, like a fellow detective who has been secretly working for the bad guys. Another could be that the shot has some sort of strange side effect, for example, it gives Conan a new power or ability that he has to figure out how to use while still solving cases. Maybe the shot was a misfire from a weapon that was supposed to be used on someone else entirely, and Conan becomes a key witness in a much larger conspiracy.
One common plot twist could be that Aria survives the shot but loses her memory. This then leads to a whole new set of relationships and self - discovery as she tries to figure out who she is and who would want to harm her. Another could be that the person who shot her is someone she thought was a friend all along, creating a sense of betrayal and mystery.
In some fanfictions, Percy's half - brother Tyson might be made to betray him. This could be due to being tricked by some sea monster that convinces Tyson that Percy is a danger to their kind. Also, Grover could be lured into a situation where he has to choose between saving the wild and betraying Percy. It often makes for a very heart - wrenching story as Grover and Percy have such a strong bond. Sometimes, the betrayal comes from an unexpected source like the gods themselves. They might use Percy as a pawn and then turn on him when he's no longer useful.
One common plot twist could be that Hermione's makeover is part of a magical experiment gone wrong. For example, a spell meant to enhance her appearance slightly ends up changing her looks drastically in an unexpected way. Another plot twist might be that the makeover is a disguise for a secret mission. Maybe she has to infiltrate a group that only allows a certain 'look' and so she gets a makeover to fit in. And sometimes, the makeover is a result of a bet or a challenge, like she lost a bet to Ron and Harry and has to get a makeover as the consequence, which then leads to all sorts of new adventures and interactions with other characters.
Often, Conan might get injured while trying to infiltrate a dangerous place alone. His injury could expose his identity if he's not careful. This would lead to a whole new set of problems as he has to deal with the injury, keep his identity a secret, and still solve the case. It's a very tense situation that makes for an interesting fanfiction plot.
One common theme is the exploration of the emotional aftermath. Characters around Frisk might experience shock, grief, or guilt. For example, if Sans is in the story, he could be filled with rage at the situation and vow revenge. Another theme could be the struggle for survival if Frisk doesn't die immediately. They might have to fight against their own fading life force while also dealing with the threat that led to them being shot in the first place. Also, there can be themes of redemption if the one who shot Frisk has a change of heart later in the story.
Perhaps the person who shot Danny was actually a hired assassin, and the real mastermind behind the shooting is a powerful criminal figure that Danny was getting too close to in his investigations. This would open up a whole new storyline where Danny has to figure out who hired the shooter while also dealing with his physical and emotional trauma from being shot.
One possible plot twist could be that the person who shot Shawn was someone he knew and trusted, like a former client who had a hidden agenda. Another twist could be that the shooting was a case of mistaken identity, and Shawn was actually targeted because of someone else's actions.
One common plot twist is when Boruto travels back in time and accidentally changes something that has a huge impact on the future. For example, he might prevent a key event that led to the formation of a certain alliance in his time, and then has to scramble to fix it. Another could be that he discovers a hidden truth about his family's past that was lost over time. Maybe he finds out that his father Naruto had a secret mission that was never recorded in the history he knows, and this new knowledge changes his perspective on his family and his role in the ninja world.
One common plot twist could be that the pregnancy is unexpected for both of them. Maybe they were just friends or colleagues and then suddenly they find out Penny is pregnant, which throws their relationship into chaos. Another could be that there's some kind of mix - up at the hospital regarding the pregnancy test results, leading to a lot of misunderstandings and drama. Or perhaps Sheldon discovers some new scientific phenomenon related to Penny's pregnancy that no one has ever seen before.
One common plot could be the team's desperate attempt to save Eliot. They might search for the best medical help, while also hunting down the person who shot him. For example, Parker could use her thieving skills to steal medical supplies, and Hardison would hack into hospital records to find the most suitable doctor.