Typically, there are brave warriors in Bahamut stories. They are often the ones leading the charge against the enemies. There are also wise mages who use their magic to assist in battles or solve problems.
Tappei Nagatsuki is quite well - known. He is the author of 'Re:Zero − Starting Life in Another World', which has gained a huge international following due to its unique plot and character development.
Well, Naruto is the main focus as he is the son of Bahamut in this fanfiction. His friends from the original Naruto series will most likely play important roles as they support or question Naruto's new identity. Then, there could be some ancient beings or deities from the Bahamut mythology. These could be the ones who have knowledge about Naruto's origin or they could be the ones who set up certain challenges for Naruto to prove himself worthy of his connection to Bahamut. There may also be other ninjas who are jealous or afraid of Naruto's new - found power and they could become antagonists in the story.
It's also possible that the fanfic creates new characters specifically for the crossover. These new characters could be hybrids of the two universes, having traits from both 'saijaku muhai no bahamut' and the other story involved. They could play crucial roles in the plot, either as mediators between the different groups of characters or as catalysts for major events.
I don't know the specific main characters in 'saijaku muhai no bahamut light novel' since I haven't read it. But typically in such a light novel, there could be a brave protagonist, perhaps a young adventurer or a person with a special ability. There might also be a mentor - like figure, and some antagonists who oppose the protagonist's goals related to Bahamut.
The main character from 'saijaku muhai no bahamut' could definitely be one of the main characters in the crossover fanfic. For example, Lux, with his unique abilities and growth throughout the original series. Alongside him, a character from the crossover side, perhaps a powerful mage or warrior, could be another main character. Their different personalities and skills would create interesting dynamics as they face various challenges together.
I'm not entirely sure as I haven't read it specifically. But generally, a light novel often contains elements like unique characters, a fictional world, and a story that might involve adventure, magic or some sort of character development.
The 'naruto son of bahamut fanfiction' might explore a whole new world for Naruto. Since Bahamut is often a very powerful and mythical being in various mythologies. Naruto being his son could mean he has to face different challenges. For example, he might have to deal with enemies who are after his special connection to Bahamut or he could be on a quest to discover more about his father Bahamut. He may also develop new jutsu or abilities that are related to Bahamut's power.
A tiamat x bahamut fanfic could be really interesting. It might explore their relationship, perhaps a long - forgotten bond between the two powerful beings. Maybe it could be about a conflict they face together against a greater threat that endangers their realms. It could also delve into their individual personalities and how they interact with each other.