One interesting plot idea could be the characters from Nanatsu no Taizai and High School DxD teaming up to fight a common enemy that threatens both their worlds. Maybe a powerful demon from the DxD universe that has found a way to cross over to the world of Nanatsu no Taizai and is causing chaos there. Another idea is a story about the exchange of powers. For example, a character from Nanatsu no Taizai learning some of the Sacred Gear techniques from High School DxD and vice versa.
Elizabeth from Nanatsu no Taizai and Rias from High School DxD would make for an interesting duo. Elizabeth is gentle and kind, while Rias is a strong and confident devil. They could have a great dynamic, with Elizabeth's compassion influencing Rias's more calculating nature, and vice versa. Another interesting combination would be Gowther from Nanatsu no Taizai and Akeno from High School DxD. Gowther's mysterious and emotion - analyzing abilities combined with Akeno's powerful and alluring personality would be quite a sight to behold.
One possible plot could be the characters from both series attending a joint high - school event. For example, the Seven Deadly Sins characters could participate in a sports tournament at the High School DxD's school. Meliodas could show off his incredible strength in the athletic events, while Issei from High School DxD might be trying to impress the girls with his newfound powers. This would lead to some friendly rivalries and also some unexpected alliances as they face off against other schools in the tournament.
Meliodas and Issei would be a very interesting combination. Meliodas is a powerful and somewhat mischievous character from Nanatsu no Taizai, while Issei is the perverted but determined protagonist of High School DxD. Their personalities are so different that it would create a lot of comical and also intense situations. For example, Issei might be constantly trying to learn Meliodas's techniques for getting girls, while Meliodas could be teaching him some valuable combat skills in return.
Well, a fanfic about a female Meliodas in 'Nanatsu no Taizai' can be really interesting. It might explore different aspects of her character compared to the male version. For example, how she would interact with the other characters in the series. Maybe she'd have a different leadership style or different relationships with the Seven Deadly Sins members.
Well, in 'nanatsu no taizai crossover archive fanfiction', one might expect to see different art styles or interpretations of the characters. For example, if it's a crossover with a modern - day setting, the characters could be drawn in a more contemporary style while still maintaining their core traits. It might also explore how the powers of the Seven Deadly Sins would fare in different fictional worlds.
It offers a more in - depth understanding of the story compared to the anime or manga. You can get into the minds of the characters better through their detailed descriptions.