A batty old witch & brilliant Astrologer, but totally clueless about mundane things & basic life skills. A visionary so skilled at astrology that she can read the fortunes of entire nations, Teyvat and the multiverse itself. Mentor to Mona Megistus, who calls her "the old hag" or "nitwit". Also friend & rival of Alice, famous adventurer & powerful mage. She is only talented in astrology, whilst Alice is well versed in a variety of magical fields. Has a fondness for picking out hats.