Often, it's shown as a visible glow around Ash. This glow can be different colors, like a bright blue or a fiery red. It might pulsate when he's excited or focused during a battle.
In many fanfics, Ash's Aura power starts as a latent ability. It might first be triggered by a strong emotion or a life - threatening situation. For example, in some, when facing a powerful and evil Pokemon, his protective instinct towards his team awakens his Aura. Then, as he becomes more aware of it, he starts to train it, often with the help of a mentor figure, like an Aura Guardian.
It could be a fan - made story about Pokemon where Ash has a blue aura. Maybe it involves Ash having some special powers or abilities related to this blue aura in the context of the Pokemon world.
In Pokemon fanfiction, a strong Ash aura could mean many things. It might represent his strong will and determination. Ash has always been a character full of passion for Pokemon battles. His aura could be a manifestation of his unwavering spirit, which can inspire his Pokemon to perform better in battles.
Ash in the fanfiction could learn to use aura by encountering a rare event or artifact that unlocks his potential. Or perhaps he has a series of challenging battles that force him to tap into this ability and refine his skills over time.
One great aspect of Aura Guardian Ash fanfiction could be the exploration of Ash's latent aura powers. Maybe in these stories, Ash discovers he has a much deeper connection to the aura realm than he ever knew. This could lead to him having new abilities and forming unique bonds with Pokémon that are also attuned to the aura.
Ash could be developed by showing his struggle with the new responsibilities that come with being an Aura Guardian. For example, he might have to make tough decisions about protecting Pokemon that could put him at odds with some people.
Ash can be developed by showing his struggle with the Dark Aura. If it starts to influence his decisions, like making him more aggressive in battles or more distant from his friends. He has to constantly fight against these negative impulses, which can show his inner strength. Also, exploring his fear of losing control to the Dark Aura can add depth to his character.
A common theme is the exploration of the Aura world. In these fanfictions, Ash usually delves deeper into the secrets of Aura, which could involve meeting other Aura Guardians or uncovering ancient Aura-related artifacts. The theme of friendship also remains strong but is often enhanced. For instance, Ash's friends might play different roles in helping him with his Aura Guardian duties. Additionally, the struggle against evil forces that are interested in the power of Aura is a frequently seen theme.