A character from Genshin Impact. Also known by her codename "B", she is a member of the Hexenzirkel who is a master hydromancer, visionary, and the teacher of Mona. Her full name is Astromancer Barbeloth Trismegistus.
Voiced by Harriet Kershaw (EN), Shintani Mayumi (JP) and Wu Xiangtong (CN).
