Demon Compendium

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The Demon Compendium, also simply known as the Compendium, is a feature in the Megami Tensei franchise that allows players to view records of previously obtained Demons or Personas and, for a fee, resummon them into the party. This feature also allows players to overwrite previous records with newer demons.

This feature is most often accessed at a place where Fusions are conducted, such as the Cathedral of Shadows, the Velvet Room, and the Goumaden. The summoning fee is relative to the Demon's overall power or potential based on its level and saved statistics, with more powerful and rarer Demons often being much more expensive to summon. At times, there may also be some specific Demons that cannot be summoned through the Compendium. Some games allow summoning either the registered or base versions of the demon, but others allow only summoning the registered version.

The Compendium can also refer to descriptive entries detailing the origins and characteristics of Demons or Personas. These descriptions may not necessarily be accessed through the summoning feature itself, but through a Demon's profile or in another mode, such as the A-Mode DDS.

The Demon Compendium was first introduced in Shin Megami Tensei III: Nocturne and has since become a staple of many Megami Tensei games. The feature has also been retroactively added in re-releases of older games that originally lacked the feature.

Nomenclature

Names in Other Languages
Language	Name	Meaning
English	Demon Compendium
	Persona CompendiumPersona series
	Devil ChartRaidou series
	Premium Devil ChartRaidou Remastered: The Mystery of the Soulless Army
	DemonaryDemiKids Light Version and Dark Version
Japanese	悪魔全書 Akuma zensho	Complete book of devils
	ペルソナ全書Persona series Perusona zensho	Complete book of Personas
	デビルカルテRaidou series Debirukarute	Devil Chart
	デビルカルテ・プロRaidou Remastered: The Mystery of the Soulless Army Debirukarute Puro	Devil Chart Pro
	デビダスDevil Children series Debidasu	Devidas (a portmanteau of "Devil" and "Database")
Italian	Grimorio dei demoni	Grimoire of demons
Polish	Kompendium Demonów	Compendium of Demons
Russian	Справочник демонов Spravochnik demonov	Reference book of demons
Peninsular Spanish	Compendio de demonios	Compendium of demons
Turkish	İblis Külliyatı	Devil Complete Works