The combination of two very different universes. Naruto is from a world of ninjas, chakra, and hidden villages, while Diavolo is from a different kind of fictional world. When these two worlds collide in fanfic, it creates a unique and exciting setting.
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.
A great 'naruto diavolo fanfic' to check out is 'Naruto Meets Diavolo: A Crossover of Worlds'. It delves deep into the characters' personalities. Naruto's determination and Diavolo's leadership are put to the test as they navigate a world full of political intrigue and dangerous enemies that span across both their original storylines.
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.
In the manga, Sukuna doesn't possess all 20 fingers. There are specific story arcs and events where his finger count changes based on the plot developments.