Uzui Tengen is a character from the manga and anime series “Demon Slayer: Kimetsu no Yaiba”. He is a skilled demon hunter known for his unique fighting style and his role as the Sound Hashira of the Demon Slayer Corps. Uzui Tengen plays an important role in the series, but he is not killed off at any point in the story.\
It’s possible that you are thinking of a different character, or perhaps you are referring to a fan theory or rumor that has circulated online. It’s not uncommon for fans of popular media to speculate about the fate of characters or to come up with their own theories about what might happen in the story.
In any case, it’s important to remember that the events of fictional stories are determined by the creators of that story, whether it be the author of a manga or the showrunners of a TV series. While fans may enjoy speculating about what might happen next or debating the meaning behind certain plot points, the ultimate direction of the story is in the hands of the creators.
In the case of “Demon Slayer: Kimetsu no Yaiba”, the fate of Uzui Tengen remains unresolved as of the end of the series. It’s possible that the character will continue to play a role in future storylines, either in the manga or in any potential sequels or spin-offs that may be released in the future. Fans will just have to wait and see what the future holds for this popular character.