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Blue Night

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Blue night

The Blue Night was an event sixteen years ago when Satan killed powerful holy men and Exorcists the world over by attempting to possess their bodies.[1] The true motives behind this night are addressed in the anime as Satan's attempt to rescue Yuri Egin from being burned at the stake.[2]


The Blue Night caused massive upheaval in the Exorcist community among others, becoming common knowledge amongst those affiliated with demons and organisations who deal with them. Just some of these consequences are listed below.

Organisation Changes

The Myōō Dharani sect, after having many of its monks and priests die simultaneously, became known as the cursed temple, leading many of their followers to flee and abandon the sect.[3] This forced them to allign themselves with the True Cross Order in order for their sect to survive.[4] Other sects saw a similar exodus in the wake of the Blue Night, though details of the effects on these groups are scarce.[5]


Despite the fatal nature of being possessed by Satan, not all victims of the Blue Night died, nor were all those possessed mortally wounded.

Name Nature of Injury
Ernst Frederik Egin (Anime Only)[6]Facial Burns
Igor NeuhausFacial Burns, Loss of Left Eye


Of those killed during the Blue Night, not all were a direct consequence of possession.

Name Cause of Death
Konekomaru Miwa's Father[7]Unknown
Konekomaru Miwa's Mother[8]Killed by Satan
Michelle Neuhaus (Anime Only)Killed by Satan
Renzo Shima's Grandfather[9]Unknown
Takezo ShimaUnknown
Tatsuma Suguro's FatherPosessed by Satan


  1. Ao no Exorcist Manga: Chapter 4, Page 20-21
  2. Ao no Exorcist Anime: Episode 23
  3. Ao no Exorcist Manga: Chapter 4, Page 22
  4. Ao no Exorcist Manga: Chapter 19, Page 25-26
  5. Ao no Exorcist Manga: Chapter 19, Page 22
  6. Ao no Exoricst Anime: Episode 1
  7. Ao no Exorcist Manga: Chapter 17, Page 34
  8. Ao no Exorcist Anime: Episode 18
  9. Ao no Exorcist Manga: Chapter 17, Page 34

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