In the world of professional and amateur sports, "sacrifice" usually refers to the hard work and discipline required to win. However, in modest fashion, it often meant a literal sacrifice of: Thermal Comfort : Wearing heavy cotton hoodies that trap heat and sweat.
If you are referring to a specific piece of fan fiction, an Indie game, or a music track (common for such titles), the text usually explores the internal monologue of a protagonist who has "given too much." It often mirrors the aesthetic of "Analog Horror" or "Voidcore," where the focus is on the breakdown of reality and the physical body.
, betrayal, or a "failed" ritual. This is a common trope in dark fantasy or supernatural digital art series.