In conjunction with the track's release, the singer made donations to Lupus Research Alliance and The Leukemia & Lymphoma Society.

"The End" combines acoustic music and folk over an acoustic-guitar-driven balladic production inspired by Joni Mitchell.

[4] On September 22, 2023, Halsey teased upcoming music with an Instagram post, stating she's "splitting [herself] in two every day" to give her fans "deepest wounds" and "a handful of perfect joys".

[5] On January 27, 2024, the singer shared a link to a website called "For My Last Trick", containing various Easter eggs and details related to her new album.

[9] In conjunction with the songs's release, the singer made donations to Lupus Research Alliance and The Leukemia & Lymphoma Society.

[15] Furthermore, the singer describes several visits to the doctor, feeling like "the end of the world" is imminent, and that "there's poison in my brain and in my blood".