There's also Colio Tonies. He has a complex backstory and his journey throughout the story is really engaging. He starts off in a certain state of mind but as the story progresses, he changes a great deal. Then there's Noloty Malche. She is kind - hearted and her relationship with other characters adds depth to the story.
Hamyuts Meseta is quite an interesting character. She is the Armed Librarian in charge of the main library. Her power and the mystery surrounding her past make her stand out. Another is Mattalast Ballory. His determination and his skills in combat are really cool.
One of the main themes is the power of knowledge. In the 'book of bantorra light novel', knowledge is presented as a very important and sometimes dangerous thing. Another theme could be the struggle for power. Characters are constantly vying for control over the books and the information they contain.
Shalltear Bloodfallen is also interesting. She has a complex personality. She is a vampire with great strength but also has her own insecurities and moments of confusion, especially when it comes to her loyalty to Ainz and her own sense of self.
I'm not sure specifically as I haven't read this particular 'Book of the Dead' light novel. But it could have a brave protagonist, perhaps a young scholar who is interested in ancient texts and stumbles upon the 'Book of the Dead'. There might also be an antagonist, like a dark wizard who wants to use the power of the book for evil.
In the Overlord light novel book, Demiurge is also a significant character. He is highly intelligent and is often involved in Ainz's plans for ruling and expanding their influence in the new world. There are many other characters as well, but these are some of the main ones that drive the plot forward.
Geralt is definitely one of the most interesting. His complex personality, being a Witcher with a sense of honor but also a loner, makes him stand out. Yennefer is also fascinating. Her powerful magic and her tempestuous relationship with Geralt add a lot of drama. And Ciri, with her special abilities and her role in the prophecy, is a really engaging character.
I think Tatsuya Shiba is one of the most interesting characters. He is not only highly intelligent but also has a special kind of magic that is different from the norm. His character development from being underestimated to becoming a key figure is great. Another interesting character is Erika Chiba. She has a tomboyish charm and her own set of skills in combat magic, which adds a lot of flavor to the story.
Well, the main character is of course very interesting. They bring a fresh perspective to the world of Leadale. Then there are the merchants in the story. They are shrewd and know a lot about the world's economy and valuable items. Also, the magic - users in the novel are fascinating. Their powers and how they use them in different situations really catches the reader's attention.
Haruhiro is quite interesting. He starts off as a rather ordinary and indecisive person but gradually grows into a more confident leader. Then there's Yume. Her cheerful and energetic personality stands out in the group.
There's likely the main character who is the reincarnated dragon. Their unique perspective as a human turned dragon is quite interesting. And there may be other dragons that they interact with, some might be friendly and some hostile. Also, characters from other races like wise old elves or strong dwarven warriors could be part of the story.
In Tensura Light Novel, Diablo is an interesting character. His elegant and powerful demeanor, along with his unwavering loyalty to Rimuru, makes him captivating. Gobta, despite his comical and sometimes clumsy nature, also adds a lot of charm to the story. And there's also Rimuru's teacher, who plays an important role in his early development and is an interesting figure in the overall narrative.