Laplace's Demon

Laplace's Demon (ラプラスの悪魔 Rapurasu no Akuma), also known as Diable de Laplace (ディアブル・ド・ラプラス Diaburu Do Rapurasu) is a Persona in the series.

History
Known as the first articulation of Casual, Laplace's Demons states that, by knowning the exact position and composition of all beings in the universe for a single moment and submiting this data to analysis, it is possible to predict the future without fail, as "nothing becomes uncertain".

Appearances

 * Persona: Tsumi To Batsu: Devil Arcana

Persona 2: Tsumi to Batsu
Diable de Laplace appears as Rago's Persona and specializes in ice skills, such as Bufudyne and Diamond Dust. The Persona has a skill called Akashic Records, which allows Rago to see any kind of info about his opponent via a connection to the Collective Unconscious.