one of the Fatui Harbingers Arlecchino also known as the Knave. had to post this here coz people been reposting this art without my permission. I am the original artist and heres the original image source

https://twitter.com/ShironNsfw/status/1546445880865107969?s=20&t=vfcWjuWEmMKLWQlRGtP9NQ