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 first expansion of World of Warcraft was 'The Burning Crusade'. It introduced the Outland, a shattered world. Players could explore new zones like Hellfire Peninsula. It also brought in new races such as the Blood Elves for the Horde and the Draenei for the Alliance. The main villain was Illidan Stormrage, and there were many new dungeons and raids to conquer, which provided more powerful gear for players.
The first expansion of WoW had many exciting aspects. The addition of Outland as a new world to explore was a major draw. There were so many different zones, each with its own set of quests and challenges. The new races, Blood Elves and Draenei, were exciting as they had unique cultures and playstyles. The raids were also a huge part of the excitement. Battling powerful bosses like Lady Vashj in Serpentshrine Cavern was a test of skill and coordination that made the whole expansion story really engaging.
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.