noun
dark stage
Refers to a stage that is dark, either literally (unlit) or metaphorically (a difficult or obscure phase). Often used in entertainment, gaming, or figurative contexts.
ライブのオープニングはダークステージから始まった。
The concert opening started from a dark stage.
このゲームのダークステージは難易度が高い。
The dark stage in this game is very difficult.