last stage appearance; final performance
Wasei-eigo used in entertainment contexts for a musician or band's final appearance at an event, or their last concert before disbanding or retiring.
wasei-eigo (Japanese-coined English), from last stage
I couldn't watch that band's final performance without crying.
She announced that today's concert would be her last stage appearance.
final level; last stage
Used in video games for the last level or stage of a game.
The boss of the final level is very strong.
Wasei-eigo from English 'last' and 'stage'.