One common theme could be the clash of different magical systems. In Harry Potter, there's the magic based on spells and potions, while in FMA there's alchemy. Another theme might be the exploration of different cultures and values. The pride aspect could also play into characters showing their unique identities and abilities from both universes.
I'm not sure about a specific one off the top of my head. But you can try searching on fanfiction.net or Archive of Our Own. They usually have a wide range of crossover fanfictions.
Overall, the FMA manga set is quite complete. It includes all the major plot points and character developments. However, there might be some minor variations depending on the edition or printing.
The unique characters and their humorous interactions in fma comics often bring the laughs. The unexpected plot twists and comical situations also contribute to the fun.
I'm not entirely sure specifically about 'fma visual novel' as there could be many visual novels with that name or abbreviation. It might be related to the 'Fullmetal Alchemist' (FMA) series, in which case it could be a visual novel that tells a story within that universe, perhaps exploring different storylines or character relationships from the original anime or manga.
I'm not sure specifically if there is a publicly available 'fma riza pregnant fanfic'. You could try searching on some fanfiction websites like Archive of Our Own or FanFiction.net.
The FMA manga ended with a powerful conclusion. All the loose ends were tied up, and the characters' journeys came to a meaningful conclusion. It left fans with a mix of emotions - happiness for the characters' growth and a bit of sadness to say goodbye.