In the movie, Luke Skywalker died when he used the Force to project himself into a battle with Kylo Ren in order to give Leia and other Resistance fighters a chance to escape.

Did Luke Skywalker actually die?

Though Luke dies at the end of The Last Jedi, he returns as a Force spirit in The Rise of Skywalker, encouraging Rey to face her grandfather, the resurrected Emperor Palpatine. At the end of the film, the spirits of Luke and Leia give Rey their blessing to adopt the Skywalker surname and continue their family's legacy.

Did Luke Skywalker die at the end of the last Jedi?

Luke's final moments are spent peacefully on Ahch-To. While his nephew is unable to redeem himself in the movie, Luke dies knowing that he was able to save the galaxy one last time and instill new hope in the rebellion. ... His death is just too sudden, and his sacrifice too soon, for it to be the end of Skywalker.