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Nyx as she appears in Shin Megami Tensei II

Nyx (ニュクス?) is a demon in the series.


The goddess of the night from Greek mythology. Originally it was said that she was born from chaos, and her name means "the mother night." She is depicted as a goddess draped in long flowing black robes. Versions of her birth and origins vary, but one interpretation has her as a creator goddess, laying a silver egg that produces the gods responsible for the creation of the world. She gave birth to many offspring, including Light (Aether), Day (Hemera), Death (Thanatos), Sleep (Hypnos), Doom (Moros) and the Moirae Sisters.



Shin Megami Tensei: if...Edit

Nyx is a level 51 demon aligned with True Neutral. Her sprite is a modification of Titania's.

Shin Megami Tensei III: NocturneEdit

"The goddess of the night in Greek mythology. She was born out of Chaos and gave birth to many offspring, including light (Aether), day (Hemera), death (Thanatos) and the Moirae Sisters among others."
Shin Megami Tensei III: Nocturne Compendium

Nyx is an enemy in Shin Megami Tensei III: Nocturne, she belongs to the Night Race, and can be recruited or summoned once players reached Level 70 or above. She has strong affinities towards all magic. Another Nyx can also be seen in Ginza, where she owns a lounge. She appears to be a respected and helpful figure, where she advises the Demi-fiend to enter the Nihilo base located outside of Ginza, via forging an alliance with the Mantra, and tells him the way of reaching there.

Shin Megami Tensei IMAGINEEdit

Nyx acts as a boss during the New Moon moon phase in Shinagawa's ice caves instance. Players can obtain the ability to fuse her by giving the red heels that have a chance of dropping in the end chest to a Jack Frost NPC in the dungeon's lobby.

Devil Summoner: Soul HackersEdit

"The goddess of night in Greek mythology. Born from Chaos, she was conceived with a silver egg, from which the creator-god was born."
Devil Summoner: Soul Hackers 3DS Compendium

Megami Ibunroku PersonaEdit

Appearing under the name Night Queen, Nyx appears as the true antagonist for the Snow Queen Quest. Her ultimate goal is to create an "eternal night", and uses the Snow Queen Curse as a means of being brought back into the world. When the Demon's Mirror is used to free Ms. Saeko, the Snow Queen comes to her senses, causing the now-free Night Queen Persona to show herself. Appearing briefly with her are two unnamed, but recognizable, characters from the SEBEC Quest of the game in masks; the Masked Girl indicates she wishes to destroy the school and created the world they are currently in, and the Masked Man humors the girl but seems to be following his own objectives. The Night Queen merges with the two becoming Queen Asura for the final battle, but is defeated.

Queen Asura is a member of the Tyrant Order in Megami Ibunroku Persona, but her Order was changed to Deity in both the Japanese and English versions of Shin Megami Tensei: Persona.

Persona 3Edit

Main Article: Nyx Avatar
See also: Ryoji Mochizuki

Nyx is explained as the personification of death itself in Persona 3. She is also the final boss in the story, although gameplay-wise the final boss is her avatar. In ancient times Nyx bestowed Death and Night to the world, where she is destined to bring the Fall. Nyx, however, lies in hibernation and can only be called by the appraiser of the Fall, which happens to be the incarnation of the Arcana that was never meant to be — Death. When the Kirijo Group was experimenting on the Shadows, Mitsuru's grandfather, along with several scientists, knew about the Fall, and willingly embraced it. They eventually succeeded in amassing a large amount of Shadows within the experimental facility and rejuvenated Death. However, Eiichiro Takeba declined, and destroyed the facilities — causing Death to be forcibly split into thirteen separate Shadows. Defeating the individual parts would cause them to reunite to the 'main' thirteenth Shadow, which was sealed within the protagonist. Death, while within the protagonist's mind, assumed the amnesiac identity of Pharos. Therefore, it is not until the protagonist defeats the remaining twelve Shadows, rejuvenating and reawakening the final Shadow, Death.

Assuming the form of Ryoji Mochizuki, Death was responsible for summoning Nyx, and became the harbinger of the Fall. After the protagonist manages to fend off the Avatar of Nyx, the Avatar shrugs the damage away, and proceeds to connect to Nyx's true physical body, the moon. As she descends to earth, SEES was rendered immobile, leaving only the protagonist immune to her effect. Through the cheering of SEES and his friends' will to live, the protagonist ascended to the Moon and battled Nyx, where he used his own soul as the Great Seal, sealing Nyx away.

In the Persona 3 Club Book, in a Q&A section it is stated that Nyx is in fact a living being outside reality the size of a celestial body known as "the Star Eater", that drifted space in a dormant state. Eventually, this being collided with the Earth, and ended up entering Earth's orbit becoming its moon, but leaving its psyche on the surface. This "wave-like psyche" stood a contradiction to the already existing life on earth, which was still at a very primitive state. In order to resist this contradiction, the life forms in Earth had a period of evolution and developed a collective subconsciousness in which the life forms locked away the psyche of Nyx by suppressing its psyche with their own thoughts. Nyx's physical body entered a healing process after the colliding with the Earth from within Earth's moon. By the time Persona 3 takes place, that process was just about done. The Fall is the process in which Nyx's psyche re-enters its physical body, giving Nyx back its original form, meaning a paradox for life on earth, and thus the end of the world.

The guidebook also makes a quick mention of the Great Will (a recurring power in the main series), stating that Gods and Demons emerge from humans as another mean to defend their psyche from Nyx.

The AnswerEdit

Nyx was briefly mentioned in the playable epilogue of Persona 3 FES, namely The Answer. It is later revealed that Nyx herself is neither hostile nor malevolent, she was awakened from the sorrow, depression, and apathy of humankind, believing that humans were tired of living and thus, her duty to end their lives. Upon returning to the time where the protagonist seals Nyx, it is revealed that the protagonist is not planning to seal Nyx away from humanity, but Erebus, a manifestation of humanity's negative will and grief from contacting her to bring the Fall.


Shin Megami Tensei IIEdit

SMT IF nyx sprite
Race Alignment Level HP MP CP
Night Neutral-Neutral 47 277 245 41
Strength Intelligence Magic Stamina Agility Luck
11 12 16 5 11 11
NOH Attack Hit Defense Avoid MPower MEffect
1 116 86 104 86 19 16
List of Skills
Skill Cost Effect
Tentarafoo 14 MP Small nerve damage, inflicts Panic ailment, all foes.
Dormina 3 MP Inflicts Sleep ailment, all foes.
Marin Karin 6 MP Inflicts Charm ailment, all foes.
Samarecarm 24 MP Revives with full HP, one ally.
Dark Breath 12 MP Raises all allies' defense and magic.

Shin Megami Tensei if...Edit

SMT IF nyx sprite
Race Level HP MP CP Alignment
Night 51 431 466 41 Neutral-Neutral
Strength Intelligence Magic Stamina Agility Luck
12 15 22 10 12 12
NOA Attack Hit Defense Avoid MPower MEffect
1 126 94 122 94 25 20
List of Skills
Skill Cost Effect
Dormina 3 MP Inflicts Sleep ailment to 1-3 foes.
Mamudo 15 MP Chance of inflicting instant death, all foes.
Samarecarm 24 MP Revives with full HP, one ally.
Dark Breath 12 MP Raises all allies' defense and magic.
Ice Breath 8 MP Light Ice damage to 1-3 foes.

Shin Megami Tensei III: NocturneEdit

70 Night 522 291 15 27 17 16 15
Strong Void Drains Repels Weak
Magic - - - -
Obtainable Normal recruit or fusion
List of Skills
Skill Cost Effect Level
Dormina 9 MP 30% sleep to one foe. Mind-type. Innate
Makarakarn 6 MP Creates shields which repel non-almighty magic attack for all allies.
Shield lasts one turn or until it has blocked one attack.
Eternal Rest 16 MP 100% instant kill to all sleeping foes. Mind-type. Innate
Debilitate 48 MP Decreases attack, defense and agility all by 1 level, all foes. 71
Mana Drain 2 MP Drains a small amount of MP from one foe. Almighty-type. 72
Glacial Blast 25 MP Heavy ice damage and 15% freeze to random foes. 73
Fire Drain Passive Equipper drains fire attacks. Overrides immunity, resistance and weakness. 74

Devil Summoner: Soul HackersEdit

Race Level HP MP CP MAG Summon
Night 56 430 196 12 889
Strength Intelligence Magic Endurance Agility Luck
9 15 20 10 12 7
Personality Phys Attack Phys Hit Mgc Attack Mgc Hit Base Defense Avoid
Dumb 130 88 177 50 148 87
Resist Void Absorb Reflect Weak
Magic - - - Gun, Skill
List of Skills
Mazionga Paralama Teraja
Silent Whisper - -

Megami Ibunroku PersonaEdit

  • Stats and skills change depending on which of the three heads is facing the player.

Black Head (Central)Edit

Order Level Type Subtype MAtk MDef
Tyrant / Deity 99 Normal Normal 212 166
HP SP St Vi Dx Ag Lu
15000 (shared) 9999 (shared) 75 55 99 75 21
1h 2h Sp Ax Wp Th Ar Fs HG MG SG Ri Te Ru
Wk Wk - - - - - - Rs Rs Rs Rs Wk Wk
Fi Ic Wi Er El Nc Bl Gr Ex Mi De Cu Nr ???
- - - - - - - - Nu - Nu - Nu Wk
List of Skills
Skill Effect
Maragidyne Heavy Fire damage (all foes)
Mabufudyne Heavy Ice damage+Freeze (all foes)
Mazandyne Heavy Blast damage (all foes)
Maziodyne Heavy Elec damage+Shock (all foes)

Green Head (Right)Edit

Order Level Type Subtype MAtk MDef
Tyrant / Deity 99 Normal Normal 188 168
HP SP St Vi Dx Ag Lu
15000 (shared) 9999 (shared) 99 41 71 48 75
1h 2h Sp Ax Wp Th Ar Fs HG MG SG Ri Te Ru
- - - - - - - - - - - - - -
Fi Ic Wi Er El Nc Bl Gr Ex Mi De Cu Nr ???
- - - - - - - - Nu Wk Nu - Nu Wk
List of Skills
Skill Effect
Decover No HP recovery for 3 turns (1 foe)
Desanga No Persona change for 3 turns (1 foe)
Petrama Inflicts Stone status (1 foe)
Nervma Inflict Sick status (1 foe)
Makakaja Raises Magic (all allies)

Yellow Head (Left)Edit

Order Level Type Subtype MAtk MDef
Tyrant / Deity 99 Normal Normal 166 192
HP SP St Vi Dx Ag Lu
15000 (shared) 9999 (shared) 75 99 71 75 54
1h 2h Sp Ax Wp Th Ar Fs HG MG SG Ri Te Ru
Rs Rs - - - - - - Wk Wk Wk Wk Rs Rs
Fi Ic Wi Er El Nc Bl Gr Ex Mi De Cu Nr ???
Wk Wk Wk Wk Wk - Wk Wk Nu Nu Nu Wk Nu Wk
List of Skills
Skill Effect
Rakukaja Raises Defense (all allies)
Dekaja Removes stat bonuses (all foes)
Diarama Restores moderate HP (1 ally)
Symphony of Lament Inflicts Guilt status (all foes)
All Guard Nullfies all attacks for one turn (self)

Digital Devil Saga: Avatar Tuner 2Edit

Level Race HP MP Drops
48 Nether 312 396
Resists Void Absorbs Reflects Weak
Ailments Ice, Death - Electricity Fire
List of Skills
Skill Effect
Bufudyne Heavy Ice damage, 1 enemy (freeze)
Cold Wave Moderate Ice damage, 1 enemy (freeze)
Ziodyne Heavy Electricity damage, 1 enemy (shock)
Dormina Inflict Sleep status, all enemies
Calm Death Instantly kills those affected by Sleep status, all enemies
Magic Repel Repels Magic attacks


Nyx as she appears in Devil Summoner: Soul Hackers
Nyx as she appears in Shin Megami Tensei III: Nocturne.
Nyx as she appears in Shin Megami Tensei: IMAGINE
Nyx's Avatar, as seen in Persona 3
Nyx in anime cutscene
Nyx in the anime cutscene
Nyx Card
Nyx as she appears in Card Summoner

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