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The Nightmare System (ナイトメア・システム, Naitomea Shisutemu)? is a device used by the Assembly of Nihilo during the events of Shin Megami Tensei III: Nocturne.



Shin Megami Tensei III: Nocturne

The Nightmare System is a weapon designed for focused absorption of Magatsuhi. Hikawa activated the device following the failed attack by the Mantra Army on the Assembly's Ginza base, targeting the Army's headquarters in Ikebukuro. The effects were devastating and nearly instantaneous: the entire garrison began losing Magatsuhi at a massive rate, and even the Army's leader, Gozu-Tennoh, lost his physical body to the System's destructive siphoning. Others at the base were heavily weakened, spelling the end of the Mantra Army.

The System was based upon the Obelisk. When the Demi-fiend managed to reach it and release Yuko Takao from its machinery, the System was shut down.

Maniax - Maniax Chronicle Edition - HD Remaster - Nocturne Konton - Novel
Playable Demi-fiend - Dante - Raidou Kuzunoha the XIV
Non-Playable Yuko Takao - Chiaki Hayasaka - Isamu Nitta - Hikawa - Jyoji Hijiri - Futomimi - Sakahagi - Heeho - Lady in Black - Lucifer - Kagutsuchi - Gouto-Douji
Vortex World Shinjuku Medical Center - Shibuya - Cathedral of Shadows - Amala Network - Ginza - Harumi Warehouse - Great Underpass of Ginza - Ikebukuro - Mantra's Headquarters - Labyrinth of Amala - Kabukicho Prison - Ikebukuro Tunnel - Asakusa - Asakusa Tunnel - Mifunashiro - Assembly of Nihilo: Marunouchi - Obelisk - Yoyogi Park - Amala Temple - Yurakucho Tunnel - Northern Temple - Diet Building - Bandou Shrine - Tower of Kagutsuchi
Soundtracks Original Soundtrack - Maniax Soundtrack - Deluxe Pack Incence Disc - OST (US)
Themes Boss Battle - Normal Battle - Normal Battle ~Large Map~ - Normal Battle ~Town~
Terminology Candelabrum - Conception - Kagutsuchi - Macca - Magatama - Magatsuhi - Manikin - Reason - Yahirono Himorogi - Order of Messiah - Cult of Gaia - Demonic Sponsor - Shadow Vortex - Nightmare System - Terminal - Great Will
Lists Demons - Bosses - Skills - Items (Vending Machines) - Merchandise - Translations - Trophies - Patches and Updates
Other Best of Demons
Other Media
Events Shin Megami Tensei Online Live 2021: Reason of Music