after Scaramouche was defeated by the traveler(lumine/you) nahida decided to give Scaramouche to the traveler so that the two will get along instead of being "enemies" and also for Scaramouche to help the traveler from finding her brother or fighting difficult enemies, this time line is also the time line where Scaramouche erased himself from the irminsul and became the wanderer Scaramouche is keeping watch while staring at the traveler with seriousness