Costumes I think mond characters would wear. (I'm also just filling in the empty Halloween space.)
Jean & Lisa:
Kaeya:
Idk...
Amber:
Diluc:
Tbh
Albedo & Klee:
Mona:
She's extra as hell
Fischl&Bennett&Razor:
Love them tbh
Diona:
LMFAOO ATE
Rosaria:
Venti:
Noelle: