Partly Spoiler Alert
This event happens when Silent "Player-On!", tries to rest and in her dreams, she desperately hiding from hers Worst "Waking Nightmare", at nights in her Actual Realm.
This is a cause from the shocking experience, after meeting Salvage Sonic "Gory-Up!" when she came face to face before him as "Avatar-On!" in FNaS 3: "Widerise Mingleverse" in Virtual Realm.
"Destroyed Clone" , "Waking Nightmare" / "Worst Awake Nightmare" are the callings of Salvage Sonic "Gory-Up!"