I am Astrologist Mona Megistus, meaning "The Great Astrologist Mona." If it is divination you seek from me, then I ask you respect my name by learning it wholly, here and now.
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Mona Megistus
Mona is an astrologist of great skill and equally-great pride who has taken up residence in Mondstadt to avoid incurring the wrath of her master after unwittingly reading the latter's diary.