Kurama used Baryon Mode to defeat Isshiki ... Of course, Kurama's death was not final. As fans know, Tailed Beasts don't die permanently. They end up respawning in a certain amount of time ...

Tails, Kurama, is one of the most critical characters in Naruto and Boruto, playing a crucial role in Naruto Uzumaki’s rise ...

Seeking out new Tailed Beasts or becoming a Jinchuriki could ... which was when he opened Baryon Mode to defeat Isshiki. However, this power came at a huge price, as Kurama ended up dying.