In some fanfics, the life debt might lead Ash to gain special abilities. For example, if the Legendary Pokémon is Lugia, Ash could be given the ability to communicate with water - type Pokémon more effectively. This would not only help him in battles but also in understanding the ecosystem of the ocean better, all because of his life debt to Lugia.
One common theme is sacrifice. Ash might have to sacrifice his own goals or dreams temporarily to fulfill his life debt. For example, he may give up a chance to compete in a big Pokémon tournament to help the Legendary Pokémon in need.
One popular 'Ash Catches Legendary Pokemon' fanfic is 'The Legendary Bond'. In this fanfic, Ash has a series of encounters with different legendary Pokemon that are really exciting. It shows his growth and determination in a new light. Another good one could be 'Ash and the Legendary Quest' which focuses on Ash's journey to find and catch multiple legendaries across different regions. The way the author describes the battles and the relationships Ash forms with the legendaries is really engaging.
A good 'Ash Catches Legendary Pokemon' fanfic should have a believable plot. For example, Ash can't just magically catch a legendary without any effort or explanation. There should be a build - up, like he has to complete some difficult tasks or overcome personal challenges. Also, the character of Ash should stay true to his original self. He's a determined and kind - hearted trainer, and that should be reflected in the fanfic.
There's also 'Legendary Encounters: Ash's Journey'. This fanfic has Ash meeting multiple legendary pokemon at once. It's a thrilling read as he has to figure out how to interact with them all. The author does a great job of creating new scenarios and battles that are really engaging.
Often, Ash has to complete a quest. In a fanfic with Ho - Oh, Ash might have to find three special feathers scattered across the region. These feathers are said to be the key to summoning Ho - Oh. As he embarks on this journey, he faces many challenges and overcomes them with his existing Pokemon team. Once he collects all the feathers, Ho - Oh appears and, impressed by Ash's determination, decides to fight alongside him. Another way is through a prophetic vision. Ash might have a dream that tells him how to find and bond with a Legendary like Entei, and he follows this vision to make it happen.
There are also fanfictions where Ash catches Rayquaza. This could be set during a time when the sky is in chaos due to some dark energy. Rayquaza is drawn to Ash because of his pure heart and determination. Ash, with his usual courage, teams up with his pokemon to assist Rayquaza in restoring balance. As a result, Rayquaza allows Ash to catch it.
Another way is to join pokemon fan groups on social media platforms. People in these groups often share their favorite 'legendary pokemon ash fanfic' or can give you tips on where to find them. They might even have their own collections or compilations of great fanfics.
Team Rocket would be the most obvious ones. They're always after rare and powerful Pokémon or Pokémon - related items, so the legendary egg would be a huge target for them.
One great Ash x Legendary Pokemon fanfiction is 'A Bond Beyond Time'. In this story, Ash forms an unexpected connection with a Legendary like Mew. It's really interesting as it shows how Ash's kindness and determination attract the attention of such a powerful being. The author does a great job of building their relationship and taking the story in new directions.