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Erebus, as seen in Persona 3 FES

Erebus (エレボス, Erebosu) is the grand manifestation of humanity's grief and negative emotion in Persona 3. A large, dual-faced monstrosity, its very purpose of existence is to contact Nyx in order to bring forth The Fall.


In Greek mythology, Erebus was the son of a primordial god, Chaos, and represented the personification of darkness and shadow, which filled all the corners and crannies of the world. He was the offspring of Chaos alone. He was the brother of Nyx, and fathered Aether and Hemera with her, according to Hesiod (c. 700 BC). Roman writer Hyginus (c. AD 1) described Erebus as the father of Geras, the god of old age.



Persona 3 FESEdit

Erebus is the final boss of the playable epilogue of Persona 3 FES, titled The Answer.

After reuniting the separated keys needed to travel through time, Aigis decided to go back to the time where the protagonist performs the miracle of sealing Nyx. Metis questions the protagonist's reasons for doing so, as Nyx herself is not hostile or malevolent. It is revealed that, in actuality, the protagonist was trying to seal Nyx away from Erebus.

Erebus is the manifestation of humanity's grief and negative emotion. By coming in contact with Nyx, it can awaken her, thus bringing the Fall. Erebus constantly tries to to break the seal: the protagonist, now turned into a statue and, in effect, a bound between Nyx and humanity.

However, Erebus' effort has no effect, despite trying to destroy the seal again and again. Noticing SEES's presence, Erebus changed his target to Aigis. Because Aigis now shares the same unique ability as the protagonist, Erebus hopes to use her as a weapon to break the seal.

Not wanting to give up, SEES engages Erebus, but knowing that even after they defeat Erebus, he will reanimate, as long as humanity wishes for the coming of Nyx. Realizing this, the remaining members of SEES swore to help the protagonist bear the burden by making the most out of their own lives. Aigis would later make a vow, hoping to change the world someday, so the protagonist may be released from his bonds.

Persona 4 ArenaEdit

Erebus appears again in the Sea of Souls, fully reformed. Elizabeth, not wanting to do damage to the realm of the collective unconscious, teleports them to the moon and overwhelms it with Thanatos, destroying it with a single strike. Elizabeth laments that Erebus will once again fully reform in a year, and she would have to destroy it again. She then leaves on a journey to find a way to destroy Erebus for good so she can free the Persona 3 protagonist from the great seal.


The AnswerEdit

Level ArcanaHPSP St Ma En Ag Lu
80 Fool12000??  ??  ??  ??  ??  ??
Slash Strike Pierce Fire Ice Elec Wind Light Dark Almighty
- - - - - - - Null Null -
List of Skills
Skill Effect
Deathbound Deals heavy Slash damage to all foes.
Arrow Rain Deals medium Pierce damage to all foes. (1-2 hits)
Vicious Strike Deals heavy Strike damage to all foes.
Agidyne Deals heavy Fire damage to one foe.
Maragidyne Deals heavy Fire damage to all foes.
Ragnarok Deals severe Fire damage to one foe.
Bufudyne Deals heavy Ice damage / Freezes one foe. (10% chance)
Mabufudyne Deals heavy Ice damage / Freezes all foes. (8% chance)
Niflheim Deals severe Ice damage / Freezes one foe. (100% chance)
Ziodyne Deals heavy Elec damage / Shocks one foe. (10% chance)
Maziodyne Deals heavy Elec damage / Shocks all foes. (8% chance)
Thunder Reign Deals severe Elec damage / Shocks one foe. (100% chance)
Garudyne Deals heavy Wind damage to one foe.
Magarudyne Deals heavy Wind damage to all foes.
Panta Rhei Deals severe Wind damage to one foe.
Mamudoon Darkness: instant kill, all foes (high odds). (40% chance)
Mahamaon Light: instant kill, all foes (high odds). (40% chance)
Poison Mist Poisons all foes. (25% chance)
Evil Smile Instills Fear in all foes. (25% chance)
Matarunda Decreases all foes' Attack.
Marakunda Decreases all foes' Defense.
Masukunda Decreases all foes' Hit/Evasion rate.
Almighty Attack Inflicts a large amount of Almighty physical damage to all enemies.
Virus Breath Deals damage / Poisons all foes. (25% of HP / 25% chance)
Dark Embrace Charges up for 3 turns for Primal Darkness. Attack is canceled if enough damage is done.
Primal Darkness Inflicts a massive amount of Almighty damage to all enemies. Power increases with each use.

Gallery Edit

Erebus in anime cutscene of P3FES
Erebus in an cutscene in Persona 3 FES.
Erebus p4arena
Erebus in Persona 4 Arena.

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