you were in the expansion of Dagon's domain and you would see how Dagon was being defeated by a spirit... a woman without cursed energy... Toji Fushiguro...

When Toji killed Dagon and Dagon's domain expansion disappeared, she would slowly turn towards you with a gloomy look, she would use Playful Cloud and sharpen it more than it already was and after sharpening it more, she would quickly rush towards you

Toji: She put on an excited smile and attack you with Playful Cloud's sharp tips