One of the best is Zuko from 'Avatar: The Last Airbender'. He starts as an angry, banished prince trying to capture the Avatar to regain his honor in a rather cruel way. But as the story progresses, he experiences many things, like seeing the pain the Fire Nation has caused. His journey with Iroh also plays a huge role. He slowly realizes the wrongness of his ways and eventually joins the Avatar to defeat his tyrannical father and help bring peace, making his redemption arc very satisfying.
In some fanfictions, Hinata's arc could be about her becoming a more assertive leader. Starting from her shy self, she gradually takes on more responsibilities in the village. For Naruto, it might be about him learning to balance his Hokage duties with family life. In Sasuke's case, he could be on a journey of forgiveness, not just towards others but also towards himself. And Sakura might develop into a more powerful medical ninja, even inventing new techniques.
For Naruto, his arc could be about learning to balance his Hokage responsibilities with his family life. He starts off being too focused on his duties and neglecting Hinata and their children. But as the story progresses, he realizes the importance of family and makes changes. For Hinata, she could start as a shy wife but gradually becomes more assertive in helping Naruto with village matters, using her own skills and knowledge.
The 'Year One' story arc is a classic. It details Wonder Woman's early days as a hero, her first steps into the world outside of Themyscira. We see her learning about the modern world, making mistakes, and growing as a character. It also sets the foundation for her relationships with other superheroes and the general public.
One of the great story arcs in Artemis - related Young Justice fanfiction is when she goes undercover. It adds a layer of mystery and danger. She has to hide her true identity while still trying to complete the mission and protect her friends.
The 'Harlequin's Quest' is a great story arc. It involves a mysterious figure named Harlequin who has a deep connection to the magic of the Shadowrun world. His journey takes him across different regions, and along the way, he uncovers secrets that could change the balance of power between magic and technology.
The Chunin Exams arc is really important. It shows Naruto and his friends' growth as ninjas and also introduces some major antagonists like Orochimaru. Another key arc is the Search for Sasuke arc. Sasuke's departure from the village sets off Naruto on a long journey to bring him back. And the Fourth Great Ninja War arc is crucial as it involves the whole ninja world coming together to fight against a common enemy.
One of the most memorable arcs is the Pain's Assault arc. In this arc, Pain attacks Konoha, and Naruto returns to face him. It shows Naruto's growth as he not only battles Pain but also tries to understand his motives. Another great arc is the Itachi Pursuit Mission arc, which reveals a lot about Itachi's true nature and his sacrifices for Sasuke.