Daimajuu Gekitou: Hagane no Oni

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Alternative Titles

Synonyms: Demon of Steel: Battle of the Great Demon Beasts, Steel Devil
Japanese: 大魔獣激闘 鋼の鬼
French: Les Démons d'Acier
More titles


Type: OVA
Episodes: 1
Status: Finished Airing
Aired: Dec 10, 1987
Producers: None found, add some
Licensors: None found, add some
Studios: AIC
Source: Original
Genres: HorrorHorror, Sci-FiSci-Fi
Theme: MechaMecha
Duration: 56 min.
Rating: PG-13 - Teens 13 or older


Score: 5.211 (scored by 11751,175 users)
1 indicates a weighted score.
Ranked: #120942
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #9655
Members: 3,210
Favorites: 3


Ranked #12094Popularity #9655Members 3,210
Add to My List
Episodes: /1


In the year 1999, a team of UN scientists in an attempt to tap into a new energy resource on a deserted island called Sansara, unknownigly open a portal to another universe, unleashing dormant biomechanical entities. Three years later, Takuya Goroza returns to the island of Sansara urged by a mysterious request by college chum Haruka Alford. Little does he know, his old friend isn't what he appears to be...

(Source: ANN)


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Characters & Voice Actors


Oobari, Masami
Key Animation, Animation Director
Onda, Naoyuki
Character Design, Animation Director, Key Animation


Opening Theme

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Ending Theme

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Jan 21, 2024
Mixed Feelings
All I can really say is that this is boring bottom of the barrel crap with no depth (no, the bottom of a barrel doesn't count as depth). It's very forgettable. I'm reviewing it immediately after watching it and ngl I don't remember most of the major plot points. Movies are supposed to draw the viewer in, entertain them, or at least be able to be made fun of, but this has none of that. It's like every mech anime ever made, and the robots look the same as every other robot. There's no pizzazz. Bottom line, making a giant laser weapon with freshly discovered ...
Jun 15, 2009
Mixed Feelings
If you discover a new particle through a particle accelerator that looks eerily similar to a magic circle, your first impulse should NEVER be to build a giant orbital laser with the aforementioned particle and fire it into the ocean just to see what happens. Just don't do it. I hope to god the guys operating the Large Hadron Collider have a bit more restraint when they're making science.

On that note, I really wish that the creative team behind Demon of Steel had been a bit *less* restrictive on... everything.

I don't feel like rehashing over the story again at all:there's no depth to it. This ...

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Recent Forum Discussion

Poll: Daimajuu Gekitou Hagane no Oni Episode 1 Discussion
StevenHu - Feb 24, 2015
5 repliesby PxHC »»
May 29, 2023 10:33 AM