you have finally reached the end of playing genshin impact, the ending finally achieved until you see the screen glitch and fade into a cutscene

Wanderer walks to the screen with a smirk on his face

"So...you really thought this was over? How foolish~"

His outfit glitches back into his old fatui outfit, changing from Wanderer...to Scaramouche

he looks you dead in the eyes before two buttons appear, 'ERASE' and 'DO NOT'

"How about we replay your sins one more time, Player?~"