Selune, the Moonmaiden Picture

Behold, the Faerûnian goddess of the moon! Though personally I think she's really Selene, the Greek goddess of the moon. See, she, Tyche, and Silvanus immigrated from Earth to Abeir-Toril sometime during the early middle ages, when the humans there turned from the worship of Greek & Roman deities ...

The star in her hand symbolizes Mystryl, the original goddess of magic on Faerûn. See, the first Lady of Mysteries was created during the early battles between Selüne and Shar, according to Faerûnian mythology. She died later on, replaced by her successor Mystra, who in turn was succeeded by another Mystra. Poor Selüne had to outlive all three incarnations of her "daughter."

Selüne © Wizards of the Coast
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