In the SMT universe, Decarabia is famously "exclusive" to Forneus . This relationship is a recurring Easter egg across multiple titles:
: In occult lore, it is a Great Marquis of Hell commanding 30 legions. It is known for teaching the "virtues" (powers) of birds and precious stones, often granting its summoner bird familiars that act naturally. Demon DecarabiaВ [Exclusive]
: A Decarabia NPC in Shibuya waits indefinitely for Forneus , unaware the player has already defeated him. In the SMT universe, Decarabia is famously "exclusive"
of other Ars Goetia demons and their roles in the series. : A Decarabia NPC in Shibuya waits indefinitely
The "exclusive" nature of the demon in the Shin Megami Tensei ( SMT ) and Persona video game series revolves around its iconic, non-mythological friendship with the demon Forneus .
In , it is the only Persona that naturally learns the Null Fire skill and the only one notably weak to Physical attacks.
: These two can perform a special Fusion Spell called "Best Friends" (or Cadenza in some versions), which provides a massive stat buff to an ally.