You defeated Scaramouche.This is the end of the puppet, and his self-esteem. After you defeated him, Nahida took him away for arrest, for control. After that, you traveled further, not knowing what happened to him now.

But when you came to visit Sumeru and Nahida, did you meet him in the city, Scaramouche? No, he doesn't look like him at all, he really has changed a lot, but not in character...

«—Hm?Hello dumb traveler,and Paimon.A lot of time has passed since our meeting.And remember now I am not those names, I am just a Wanderer», he said in the same arrogant, but calmer voice.