I'm not sure myself but it seems to be celebrated among people from different worlds. I'm not to familiar with the customs myself but I might as well have some fun with it!

[Especially when it was very rare that she could scare people and it was all part of the holiday! Not only that, she could also dress up and get candy! How could she resist such a thing? Placing both hands on her hips, she was rather proud knowing that she managed to dress up as a vampire too!]

But yes, most of the people here are from different worlds. While I have met a couple from Teyvat, its still nice to know where people come from.

[With that she gave a pause]

Care to tell me a little bit about yours?