First, decide which fandom you're interested in. It could be a movie, a book, or a TV show. Then, pick a platform like AO3 or FanFiction.net. Once there, use the search function to look for fanfictions related to your chosen fandom.
I'm not entirely sure what specific aspect you want to know about. If you're asking for some good Doflamingo OCs in DeviantArt fanfictions, you might need to search through the DeviantArt website using relevant tags. There are often many creative interpretations of characters in fanfictions.
In many Naruto fanfictions, Naruto letting go of Sakura can lead to some interesting character developments. It might be because he realizes his feelings for her are more of a childhood crush and he discovers new relationships or focuses more on his ninja goals. For example, he could start to see Hinata in a new light and pursue a relationship with her instead.
Naruto is obviously a very popular character in Naruto Lets Go fanfiction. After all, the story is often centered around him. Sasuke is also popular as his long - time rival. Sakura is frequently included as well, especially in stories that focus on the team dynamics. Kakashi is another popular character, as his mysterious past and powerful skills make for interesting plotlines.
I'm not sure specifically as there could be many different interpretations of this fanfiction. It might involve a character named Jasper somehow allowing a character known as 'the major' to escape or be freed in the context of the fan - created story.
One benefit is that it can expand his vocabulary. As he watches the story, he'll hear new words and phrases, which is great for his language development. Also, it can stimulate his imagination. The story's plot and characters can inspire him to create his own little worlds in his mind. Moreover, it might help him learn about different values and morals through the story's message.
One interesting storyline could be about Naruto going on a solo adventure to a hidden land not shown in the original series. There he discovers new types of ninjutsu and makes new friends. Another could be a story where Naruto time - travels back to the days of the First Hokage and has to deal with the different political situations then. And a third one might be a story where Naruto and his friends get transported to a different dimension and have to find their way back while facing strange new enemies.
The two most prominent characters from the title are Jasper and the major. Jasper is the protagonist in this action of letting someone out. The major, whose identity is not clear from just the title, is the recipient of Jasper's action. There may be other characters in the fanfiction that add depth and complexity to the story. Maybe there's a mentor - like figure who influenced Jasper's decision, or a nemesis who is hunting the major after being let out.
Well, perhaps Aang realizes that Katara has feelings for someone else and decides to let her go for her own happiness. This could lead to a new phase in their friendship where there's less tension and more mutual understanding.