Sukuna does die in the manga. The way it happens is quite dramatic and ties in with many other elements of the story, adding depth and tension to the overall narrative.
Well, 'daemon fanfic' is fanfiction related to daemons. Fanfic is when fans write their own stories based on existing works or concepts. Daemons can be different things in different fictional worlds. In a 'daemon fanfic', it could be about the daemons' personalities, how they interact with the main characters, or even how they affect the plot of the story. It's a creative way for fans to expand on the idea of daemons in a fictional context.
A 'daemon novel' could be a type of novel that features daemons as central elements. Daemons are often supernatural or spiritual entities in various mythologies and fictional concepts. So, a 'daemon novel' might revolve around the stories, powers, or interactions of these daemons with the human world or other characters.
No. Ryomen Sukuna is a fictional character from Japanese mythology and modern manga/anime. He doesn't have a basis in a true historical event or person.
Nope. Ryomen Sukuna has no basis in reality. It's a product of the creative minds of the writers and illustrators who designed a captivating fictional character for the enjoyment of the audience.