Fairy Tail Wiki
Fairy Tail Wiki

Etherious (ゼレフ書の悪魔(エーテリアス) Ēteriasu) were a race of Demons that were born from the Books of Zeref.[1] They were made completely of Ethernano, with the exception of E.N.D., and were thus dubbed by Zeref as the "Etherious".[2]


Etherious is the given name to the subspecies of the Demon race that were created from the books made by the Dark Mage Zeref;[1] all Etherious possess an inborn drive to kill Zeref, established at the genetic level, which is expressed consciously as a feeling to "return to [his] side."[3] Unlike the Demons that inhabit Galuna Island, not all Etherious possess wings and they do not all possess Human forms and those who do lose their Human appearance when transitioning into their Etherious Form.[4] Also, in stark contrast to the rest of the living organisms capable of doing so, Etherious, or at least Tartaros Etherious in particular, do not make use of Magic, but rather Curses,[5] which accordingly run off of Curse Power (呪力 Juryoku).[6] Also, various members of the Etherious subspecies have displayed the ability to enter a so-called Etherious Form (エーテリアス フォーム Ēteriasu Fōmu), in which their appearances change and they gain access to an enhanced set of their already available abilities, something which is dubbed as utilizing the "real power" of the race.[7][8][9] The member of said race Seilah, however, cannot freely enter the form like other members, but instead must turn her own Macro Curse upon herself to remove her own personal "limiters";[10] meanwhile, member Ezel is the only Etherious to give his form a specific name: "Slash Attack Mode" (斬撃モード Zangeki Mōdo).[11]

The Etherious can also, at any given time, be transformed back into their book form by their creator, Zeref,[12] and will all cease to exist if he dies.[13]

Known Etherious

Name Title Status
Lullaby Mass Murder Curse Magic Deceased
Deliora Demon of Destruction Deceased
Nemesis Demon's Dancing Children and Heaven's Judges Deceased
Kyôka Goddess of the Slave Planet Deceased
Jackal N/A Deceased
Franmalth The Armored Deceased
Ezel Dôjigiri Deceased
Seilah Goddess of the Chill Moon Inactive
Keyes The Black Archbishop Deceased
Torafuzar The Dark Deceased
Tempester The Immortal Deceased
Plutogrim N/A Deceased
Yakdoriga N/A Deceased
Lamy (multiple) N/A Deceased
Mard Geer Tartaros Underworld King Deceased
E.N.D. N/A Active
Bloodman Grim Reaper Deceased
Larcade Dragneel White Dragneel Deceased


  1. 1.0 1.1 Fairy Tail Manga: Chapter 380, Page 19
  2. Fairy Tail Manga: Chapter 436, Page 11
  3. Fairy Tail Manga: Chapter 407, Pages 10-12
  4. Fairy Tail Manga: Chapter 356, Page 29
  5. Fairy Tail Manga: Chapter 361, Page 6
  6. Fairy Tail Manga: Chapter 382, Page 3
  7. Fairy Tail Manga: Chapter 362, Pages 6-8
  8. Fairy Tail Manga: Chapter 395, Pages 9-11
  9. Fairy Tail Manga: Chapter 396, Pages 3-9
  10. Fairy Tail Manga: Chapter 380, Pages 13-17
  11. Fairy Tail Manga: Chapter 377, Pages 11-12
  12. Fairy Tail Manga: Chapter 414, Page 4
  13. Fairy Tail Manga: Chapter 465, Page 16