Character development is a big part of these fanfics. Since both characters have their own fan bases, the writers try to stay true to their original personalities while also adding new layers. For example, Garou's struggle between his anti - hero ways and his potential for good can be further explored in relation to Metal Bat's more straightforward sense of justice. And the action scenes in these fanfics are usually intense, given the combat - ready nature of both Metal Bat and Garou.
Some smaller, more niche fanfic communities or forums dedicated to the source material of Suiryu and Garou might also be a good place to find such fanfics. You can ask around in those communities for recommendations or search through their story archives.
A fanfic could explore a world where Suiryu and Garou are from different dimensions. They meet by chance and have to figure out how to get back to their respective worlds while also dealing with their own personal growth and the challenges that come with their encounter.
In a Metal Sonic x Sonic Fanfic, the action and adventure aspects can be really exciting. Writers may create new challenges for Sonic and Metal Sonic to face together or against each other. For example, they could be forced to team up to defeat a greater evil that threatens their world. This kind of fanfic also gives a chance to delve into the emotions of the characters. Metal Sonic, although a machine, might show signs of evolving emotions or at least a form of artificial intelligence - based loyalty or rivalry towards Sonic.
A 'sonic x sonic unleashed fanfic' could be really interesting. It might explore new adventures for Sonic in the context of the Sonic Unleashed world. Maybe it shows Sonic facing new challenges or forming new relationships within that setting.
It could be about a very dark and tragic scenario where Sonic meets his end in a fan - created story. Maybe it involves a powerful villain finally overpowering Sonic in a unique and often unexpected way.
Well, 'sonic x sonic to the rescue fanfiction' could potentially center around Sonic characters coming together to rescue a friend or a group in trouble. It could include exciting chase scenes with Sonic's incredible speed being put to good use. There might also be some unique power - ups or abilities that the Sonics discover during their rescue mission. It could also explore the relationship between the two Sonics, whether they have different personalities or if they work in perfect harmony right away.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, and there are likely to be quite a few 'garou x metal bat' ones there. Just use the search function and type in the relevant tags.