In the "Answer" part of the game ending, Mitsuru can be heard saying the line "Is that it?". However, the game shows Akihiko and his portrait while the line is being said.
Contributed by Ricardos17
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According to series character artist Soejima Shigenori, Aigis' "headphones" were designed to resemble the Antikythera mechanism, an analog computer made by the ancient Greeks to predict eclipses, as well as the locations of stars and zodiac constellations.
Contributed by Kitsune Hawk
The character Chihiro Fushimi's design comes from an unused concept for S.E.E.S member Fuuka Yamagishi.
Contributed by Takahashi2212
The intro song to Persona 3 FES is actually a remix of two different songs; The song "Memories of You" (the credits theme) and the song "Burn My Dread" (The main theme of Persona 3).
Contributed by Takahashi2212
It was originally intended for Persona 3 Portable to include a "good" ending for the female protagonist involving Junpei confessing his love for her like the other male teammates. This was scrapped from the finalized version, however, the data remains in the game's data, including Junpei's Japanese voice files.
Contributed by Universal Arcana
A set of early development videos show that there were plans for battles to be conducted through a fluid transition in the game's field, rather than in a designated battle area. Enemies would rise from the ground as a battle began, rather than causing a screen transition.
Contributed by Outofmind23
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In the opening for Persona 3 FES, the protagonist, Junpei Iori, Yukari Takeba, and Akihiko Sanada are seen approaching the Full Moon Hermit boss. Spoiler:However, this isn't possible in the game, as Junpei Iori is captured by Chidori Yoshino before that mission, and could not be a part of your party for that fight.
Contributed by SOGESNAKE
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Takaya Sakaki's gun is a Smith & Wesson Model 500, according to the Persona 3 concept art book.
Contributed by Outofmind23
According to Aram Jabbari, Assistant Manager of Public Relations and Sales, Persona 3's "M" rating in the United States is due to cultural differences between Japan and the USA.
Contributed by Outofmind23
Junpei's original victory pose alludes to John Travolta's disco pose from the movie "Saturday Night Fever".
Contributed by Outofmind23
During one of the anime cut scenes, Ken's red armband on his sleeve will disappear and reappear at the end of the scene.
Contributed by Outofmind23
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Concept art shows that Ken originally used darts as a weapon, not spears as in the final game.
Contributed by Outofmind23
Koromaru is likely based off a real dog named Hachikou. Both dogs owners died, but the dogs go to the place they last saw their master, to wait for them to return.
Contributed by Outofmind23
While Cerberus is Koromaru's persona, a version of Cerberus can also be used by the game's Protagonist through the use of a cheat device.
Contributed by Outofmind23
In the PS2 update, Persona 3: FES, in the chapter "The Answer", all levels of the Abyss of Time get their names from Dante's "The Divine Comedy":
• The First Door, Malebolge, is the level where people who commit fraud are punished.
• The Second Door, Cocytus, is the lowest level of hell divided into for regions (the next four) where people who commit the sin of betrayal are punished.
• The Third Door, Caina, named after the Bible's Cain, is where people who betrayed family dwell.
• The Fourth Door, Antenora, named after Antenor from Homer's "The Iliad", is where people who betrayed their country dwell.
• The Fifth Door, Ptolomea, named after Ptolemy, governor of Jericho from the Bible who killed his guests, is where people who betrayed guests dwell.
• The Sixth Door, Judecca, named after Judas Iscariot also from the Bible, is where people who betray masters or benefactors dwell.
• The Seventh Door, Empyrean, is named after the the highest level of Heaven.
Contributed by Outofmind23
All the blocks' names in Tartarus, with the exception of the optional basement, Monad, are taken from the seven worlds of the Quabalah.
Contributed by Outofmind23
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In the PSP version of the game, equipping the demon Mara will entice responses from both Elizabeth and Theodore due to its unusual appearance.
Contributed by Outofmind23
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Cielo, the blue haired protagonist with dreadlocks from the Digital Devil series, has a soda named after him. Named Cielo Mist, it is described as being from Jamaica, giving reference to the American portrayal of him having a Jamaican accent.
Contributed by Outofmind23
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There's a video game the protagonist receives called "Innocent Sin Online", a fictional MMORPG. Playing it will merit you the S. Link of the Hermit with a character who's screen name is "Maya". The name Maya is the name of one of the main characters in "Persona 2: Innocent Sin", as well as the protagonist in the follow up game "Persona 2: Eternal Punishment". The protagonist also has the screen name of "Tatsuya", referencing the protagonist of "Innocent Sin".
Contributed by HPlookalike
Shinjiro Aragaki's persona, Castor, and Akihiko Sanada's persona, Polydeuces, are twins. Spoiler:This foreshadows how they are connected and also which of the two would die during the game. The orginal Greek myth that serves as the origin of their names depicts Castor dying and Polydeuces living on.
Contributed by Outofmind23
In the PlayStation Portable version, while playing as the female protagonist, during the ultimate boss fight with Theodore (the male equivalent of Elizabeth), Fuuka will describe him as female.
Contributed by Outofmind23
The persona Alice, a reference to Lewis Carroll's "Alice in Wonderland", has a signature move called "Die For Me!" in the North America release. This was changed from the Japanese version's name of "Could you die for me?".
Contributed by Outofmind23
Trish, the Fairy from previous Persona games, makes a cameo appearance in Persona 3 as the host of a TV show called "Who's' Who" in which she interviews characters from past games.
Contributed by Outofmind23
The final boss, Spoiler:Nyx, is female. Nyx's avatar, Ryoji Mochizuki, is male, however when scanned by Fuuka, she will scan and talk with female pronouns.
Contributed by Outofmind23
If a cheat device is detected, Fuuka will chastise you for cheating during battles, voice acted.
Contributed by DidYouKnowGaming