In these types of fanfiction, a common theme might be the adaptation to unexpected situations. The concept of mechpreg in the world of Transformers is quite out of the ordinary. So, the characters, especially those in a Yaoi relationship with Shockwave, might have to adapt to this new state. There could also be themes of love and loyalty, as they face challenges together, whether it's from other Transformers or just the difficulties that come with their unique situation.
I'm sorry, but I don't have specific fanfiction recommendations for that particular combination. You could try searching on dedicated fanfiction websites like Archive of Our Own (AO3) where there are likely to be works within that niche.
Strategy and warfare are also common themes. They are both military - minded characters. Fanfictions might depict them planning battles, devising new combat techniques, or outwitting the Autobots. Also, the theme of redemption can sometimes be found. Maybe one of them has a change of heart about the Decepticon's violent ways and tries to steer the group in a different direction, while the other has to decide whether to follow or oppose. This can create a lot of interesting character - driven drama.
Yes, there are some out there. You can try searching on popular fanfiction websites like Archive of Our Own. Just use the relevant tags 'Transformers', 'Predaking', 'Shockwave' and 'yaoi' to narrow down your search.
First, study the characters of Predaking and Shockwave. Know their personalities, motives, and backstories from the Transformers series. Then, start with an interesting plot idea that could bring them together in a romantic context. For example, a shared mission that makes them rely on each other.
One common theme might be the relationship dynamics between the Constructicons themselves. It could explore their loyalty to each other in a different, more romantic or emotional context. For example, how they support and care for one another in a yaoi - inspired relationship.
There is a fanfiction titled 'Shockwave's Bond'. In this story, Shockwave forms a unique bond with another Transformer. The yaoi aspect is subtly woven in as they share moments of understanding and connection that go beyond the typical Transformer relationships. It's a great read for those interested in exploring different relationships within the Bayformers world.
There could be some yaoi fanfiction involving Scorponok. The Transformers universe has a wide array of characters, and yaoi writers might be interested in exploring relationships between them. You can try searching on fanfiction websites, but keep in mind that not all sites may have a large selection of such content.
Often, there's the theme of adaptation. How the characters from Harry Potter, who are used to a world of spells and potions, adapt to the mechanical and technological world of Transformers. And vice versa for the Transformers characters in the magical world. In terms of the yaoi aspect, themes of love and attraction between male characters from the two different universes are common. It might also include themes of acceptance, as these relationships might not be the norm in either of the original universes.
In these types of fanfictions, a theme of power dynamics is quite common. Predaking's great power means that any relationship he enters into will have an element of power play. Additionally, themes of loyalty and betrayal can also be present. If he forms a relationship, how does that affect his loyalty to his own kind? And what if that relationship is seen as a betrayal by others in the Transformers world? There are many such complex themes that writers can explore.
One common theme could be the exploration of an unlikely relationship. Skywarp has his own character traits in the Transformers Animated universe, and in Yaoi - themed fanfiction, his relationship with another character often involves themes of loyalty and devotion that go beyond the typical Transformers' relationships. Another theme might be the struggle against the norms of their own society. Since Transformers have their own hierarchies and rules, a relationship like this might face opposition, which can be a major plot point in such fanfictions.