One possibility is that he travels to different time periods related to the Titanic's history. For example, he might go back to the building of the ship and make sure it was constructed more safely. He could also interact with the people who planned the voyage and change the fateful decisions that led to the tragedy. In a time travel fanfiction, the sky's the limit for his adventures. He could even meet his future self or ancestors and gain new insights about his own life and family history.
Perhaps he travels to the future to see how the Titanic is remembered. He could be shocked by the many movies and books made about it. He might also try to bring back new technology to the Titanic era to save more lives. For instance, he could introduce better communication devices or more effective lifeboats.
Perhaps the fanfiction could center around Officer Lowe falling in love with a woman who was on the Titanic traveling with her family. He saves her during the evacuation process. Their eyes meet, and there's an instant connection. As days pass while waiting for rescue, they get to know each other better. Lowe starts to dream of a life with her, away from the horror of the Titanic sinking. He might have to fight his own insecurities about being worthy of her love, considering the trauma they've all been through.
If he travels through time often, he could become more world - weary. He would see different eras and the problems in each. This might make him more determined to make a positive impact in the Titanic's timeline. He could also develop new skills from the different time periods he visits, like learning new languages or survival techniques. All these experiences would shape his character in a more complex way.
The love interest could be a young nurse traveling to America to start a new job. She has a caring nature, which attracts Officer Lowe. During the rescue operations, she helps the injured, and Lowe is impressed by her skills and compassion.
The Suzaku time travel car in fanfiction might have adventures related to saving the world. Maybe it travels to a time when a great disaster is about to happen. The heroes in the story could use the car to go back and prevent the cause of the disaster, like stopping a mad scientist from creating a doomsday device.
She could have an adventure where she travels back to the time when the first Flash was just starting out. There, she could witness the origin of the speed - force and how it all began for her family. Maybe she even gets to meet the very first Flash and learn some secrets about the speed - force that she can bring back to her own time to help her father or other speedsters.
She could have adventures like trying to find Jack's hidden artworks. Maybe she discovers a secret about the Titanic's construction that Jack was also starting to figure out.
Well, they could end up in a time when the gods were more actively involved in mortal affairs. Percabeth might get caught up in an ancient war between the gods. They'd have to use their wits and skills. Percy would be in his element with water - related challenges, and Annabeth could use her knowledge of ancient history to navigate the complex situations of the past.
Deidara could be an ally. Since they were partners in the Akatsuki, Deidara might follow Sasori through time, especially if he thought there were new art - worthy explosions to be made in different time periods. Also, Konan could be an ally. Her paper - based abilities and calm demeanor would be useful in different time - travel situations. She could help Sasori blend in or gather information.
He could have a lot of adventures. For example, he might be amazed by modern technology like smartphones and cars. He could use his ninja skills in modern sports and become a star athlete. Also, he might get involved in modern-day battles against villains who use advanced weapons, and his ninja techniques would give him an edge.
Luke Skywalker could be an ally. As a powerful Jedi and her uncle, he would have the knowledge and skills to help her navigate the dangers of time travel. He could also offer guidance on how to use the Force in different time periods.