Glasya-Labolas is attested in grimoire compilations derived from the Ars Goetia (the Lesser Key of Solomon) and modern annotated editions of that corpus. In these listings he is one of the catalogued spirits (commonly counted among the Seventy-Two) assigned a rank and portfolio of powers for use in ritual evocation; the supplied sources do not give a folkloric birth myth or pre-grimoire origin narrative beyond his appearance in these goetic catalogs.
Classical goetic summaries in the supplied materials describe Glasya-Labolas as showing himself "in the form of a Dog with Wings like a Gryphon"; modern retellings preserve this canine figure with griffin-like wings as his characteristic manifested form.
Across the provided sources Glasya-Labolas is credited with teaching "all Arts and Sciences in an instant," revealing "all things past and to come," commanding legions of spirits (one source gives thirty-six legions), influencing minds and affections of others (fragmentarily attested), and being an "author of bloodshed and manslaughter." These attributions appear in goetic listings that present spirits as specialists whose portfolios combine instructive, divinatory, social-influence, and violent functions. Modern media adapt these powers for game mechanics and narrative roles but do not constitute independent traditional claims.
Weaknesses
- otherClassical sources do not list specific intrinsic vulnerabilities for Glasya-Labolas beyond standard goetic constraints (e.g., containment by ritual circle, use of names/sigils) as implied by the goetic ritual context.
Wards
- ritualGeneral goetic containment and banishing practices (e.g., Preliminary Invocation / Traditional Circle / Modern Circle / Lesser Banishing Ritual of the Pentagram) — cited as contextual methods in modern annotated Goetia editions but no Glasya-Labolas–specific ward is given in the supplied excerpts.

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Jann
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Marid
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Ifrit
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Pazuzu
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Lamia
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Pishacha
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Pishacha-graha
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Gashadokuro
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Anansi
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Domovoi
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Tengu
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Glaucia
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Glaucus
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Glenus
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Community Record
- [1]List of demons in the Ars Goetia (Wikipedia). Wikipedia: List of demons in the Ars Goetia — Glasya-Labolas entry and list of seventy-two spiritswiki
- [2]Count/President Glasya-Labolas - 72 Demons of The Lesser Key of Solomon: The Ars Goetia | Demonology - Solomon's Temple Investigation Marathon 503. Archive item summarizing Glasya-Labolas as a mighty President who commands thirty-six legionsother
- [3]Amulet of Glasya-Labolas (Thingiverse archive). Archive: modern artifact listing using Glasya-Labolas as iconography (adaptational/pop-culture use)other
- [4]DUQUETTE + HYATT - Aleister Crowley's Illustrated Goetia - Sexual Evocation (1992, 2000 - ed.2). DuQuette & Hyatt annotated edition listing Glasya-Labolas among The Seventy-Two Spirits and containing ritual appendices (Preliminary Invocation, Traditional/Modern Circle, Lesser Banishing Ritual of the Pentagram).other
- [5]Glasya-Labolas - PathfinderWiki. PathfinderWiki entry summarizing appearance and abilities adapted from goetic sourceswiki
- [6]Glasya-Labolas | Megami Tensei Wiki. Megami Tensei Wiki — modern game adaptation and summary of goetic attributeswiki
- [7]Glasya-Labolas | Megami Tensei Wiki | Fandom. Fandom page listing variant names/spellings and game portrayals derived from goetic traditionwiki
- [8]Rood Boy // “The Twenty-fifth Spirit is Glasya-Labolas. He is...” (Tumblr quote). Reproduction of a traditional Ars Goetia phrasing: "The Twenty-fifth Spirit is Glasya-Labolas... a Mighty President and Earl, and showeth himself in the form of a Dog with Wings like a Gryphon."other
- [9]Glasya-Labolas Weakness and Boss Fight Guide SMT V Vengeance (Siliconera). Modern game guide describing an adaptation of Glasya-Labolas as a boss — included to document contemporary cultural reuses, not as grimoire authority.other
