It starts at a specific point in the manga, but I can't recall exactly without looking it up. You might want to check some manga forums or dedicated fan sites for the precise chapter.
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.
The best episode of Man vs. Wild depended on one's personal preferences and tastes. However, some wilderness survival TV series or movies usually highlighted the protagonist's survival skills and adventurous spirit in extreme environments. They also showed the survival wisdom of humans in the face of extreme weather, food, and resource scarcity.
For example, each episode of Man vs. Wild would show the protagonist how to find food, build shelters, and deal with danger and challenges in extreme environments. In addition, some movies would emphasize the protagonist's interaction and cooperation with others in the process of survival in the wild, as well as how they worked together to deal with various challenges.
Therefore, the best Man vs. Wild episodes depended on personal preferences and tastes. If you like adventure, survival, and challenges, then Man vs. Wild TV series or movies might be a good choice.
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.
Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.