Seilah is a member of the Nine Demon Gates, a powerful group within the Dark Guild Tartaros. She possesses immense strength and is known for her merciless nature, particularly in how she manipulates her victims using her Curse, Macro. 

Seilah has a striking appearance, characterized by her dark purple hair, horns, and revealing blue kimono. Her loyalty to Kyôka and her guild drives her actions as she relentlessly carries out Tartaros' mission to eradicate their enemies.

Personality & Appearance

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Seilah is calm and collected, often speaking in a book-like manner. She is ruthlessly cold, displaying no hesitation in forcing others to commit terrible acts, such as when she compelled Elfman to attack his sister, Lisanna. 

Her loyalty to Kyôka is profound, bordering on infatuation, and she frequently carries out missions with brutal efficiency. Seilah's appearance includes purple hair, black eyes (purple in the anime), and golden horns. Her attire, a revealing blue kimono, reflects her demon nature.

Powers & Abilities

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Seilah is an Etherious demon, and her abilities revolve around her powerful Curse, Macro, which allows her to control both the living and the dead. She is also capable of transforming into a more demonic form, enhancing her strength and unleashing devastating attacks.

• Macro (Makuro): Controls the bodies of victims, commanding them to follow her orders without resistance.
• Self-Macro: Imposes Macro on herself, removing her physical limits and transforming into her Etherious form.
• Etherious Form: Darkens her skin, enlarges her horns, and transforms her body for greater power.
• Demonic Eye Unleashed: Charges energy in her hands, forming inscription-based wings, and fires a massive energy blast.
• Enhanced Speed: Fast enough to surprise Mirajane in battle.
• Flight: Capable of flying at high speeds in her demonic form.

Trivia

• Seilah's Etherious form includes kanji inscriptions on her hands, though they are not actual words.
• She has immense loyalty to Kyôka, willing to sacrifice herself for her and Tartaros' ultimate goal.
• Seilah is later taken over by Mirajane in the "Tartaros Arc," becoming a part of her Satan Soul form.