There was not much similarity between Pokemon Leafgreen and the previous versions because the Pokemon series had been modified and adapted many times. There might be some differences between the different versions.
However, there were some differences in the plot between Pokemon Leafgreen and the previous versions. In Leafy's version, Billy and his friends found a mysterious Pokemon ball and decided to go to the Pokémon Center to find the whereabouts of the ball. In this version, Billy's character became more independent and confident, and his journey became more challenging and dramatic.
In addition, Ye Lu also introduced some new storylines and characters, such as Xiao Yao and Pikachu, who met on the road and became good friends. Leafy's version also added some new Pokémon, including new evolutionary forms and special abilities to make the game more interesting and diverse.
The plot of Pokemon Leafgreen was different from the previous versions, but they were both excellent games that attracted countless players.
Articuno, Zapdos, and Moltres are quite common. Their elemental powers and the mystery surrounding them make for great fanfiction material. Ash might encounter them during his travels and have to either help them or face off against them in some way.
One of the Legendary Pokemon could be Giratina. Despite its somewhat dark and otherworldly nature, Giratina might be intrigued by Ash's light - heartedness and his ability to make friends with all kinds of Pokemon. Dialga and Palkia could also be part of the harem. Dialga, with its control over time, might see Ash as an important factor in the future of the Pokemon world. Palkia, in charge of space, could be interested in how Ash navigates different regions and spaces in his journey. And don't forget about Ho - Oh. Ho - Oh is a symbol of hope and might see Ash as a bringer of hope in the Pokemon world, thus joining his harem.
Arceus is quite popular. Given that it's considered the creator of the Pokemon universe in the official lore, it often has a significant role in fanfictions. Mewtwo is also very common. Its powerful psychic abilities and complex backstory make it a favorite for fanfic writers to explore. Another popular one is Lugia. With its majestic appearance and its connection to the sea, it's often a central figure in many stories.
I recommend the following Pokémon novels to you. They all have legendary Pokémon!
1. "Elf: The Opening Ambush Hunter": The protagonist's first Pokémon was a small fire dragon.
2. [Pokémon: Lightning Bird at the beginning of the game: The legendary Pokémon Lightning Bird was drawn at the beginning of the game.]
3. "Musashi of the Elves": Musashi and his Abbot are also one of the classic characters in elf novels.
4. [Ten Artifacts of Pokémon Evolution]: There are divine beasts like the Three Pillar King and the Hell Dragon.
I hope you like my recommendation. Muah ~
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.
Mewtwo is also very popular. Given its origin as a genetically - engineered Pokemon, a human could interact with it in many ways. Maybe a human scientist wants to study Mewtwo further, or a young trainer tries to befriend Mewtwo and help it come to terms with its existence and powers.
Obviously, Ash is one of the main characters. He's the protagonist who has a passion for pokemon and is always eager to become a pokemon master. And the legendary pokemon he encounters or befriends would also be important characters. For instance, if it's Lugia, Lugia would play a major role in the story as it's a very powerful and mysterious pokemon.
It might be. Some Pokemon fans are really into fanfictions that focus on Ash and his adventures in the Pokemon world. If it has an interesting take on Ash's character and his interactions with legendary Pokemon, it could gain popularity.