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Sheila Blatavska is the founder of the Atlantean Foundation. A mysterious elf, she is a magician of some considerable power and influence. Through her organization and personal researches, she has uncovered ancient, forgotten magical knowledge, layering techniques and disciplines from dozens of pre-Awakening magical cultures into her own unique tradition. While she doesn’t appear to be quite on the same level of Harlequin and Ehran the Scribe, she is powerful enough to command a modicum of civil treatment from them.

She is rumoured to be an immortal elf, and she might have been a historical figure known as Helena Blavatsky. In a Shadowland upload entitled "The Atlantean Conspiracy," The Lone Gunman asserts that Blatavska is "Hecate," one of the conspirators (along with Dunkelzahn, Harlequin, and others) who appear in the sidelines of the Aztlan shadowfile. Shadowland user MoleMan alleges that Blatavska may be Maria Katapelis, who was kidnapped in 2010 and never reappeared.

On Shadowland, she goes by the handle Hecate and Miss Tick. - This was revealed by the user Elijah in a comment on the o42265136Loose Alliances files.