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Similarly to Junji Ito monsters, these Eldritch horror abominations can come in all sizes and shapes, but they’re always terrifying and powerful. These monsters came from other realms while some are deadly space monsters that came from other universes to terrorize people and put an end to human existence. One thing is for sure, Eldritch horror monsters are some of the scariest, hardest to kill, and deathly creatures a hero or heroine can face.
7 AntiSpiral - Gurren Lagann
Gurren Lagann’s Antispiral is one of the most monstrous and deadly virtual lifeforms. They’re not only capable of mind manipulation and time travel but have powers so great that they can warp reality itself and can create an Infinity Big Bang Storm, an attack so powerful and immense as our universe’s birth was.
AntiSpiral also have immense speed and durability which makes them almost undefeatable. Even though Gurren Lagann is set in a fictional future where all kinds of supernatural creatures live Antispiral is by far the most horrifying of them all.
6 Parasites - Parasyte: The Maxim
The parasites of Parasyte: The Maxim might be smaller-sized, but they’re just as terrifying as other Eldritch horror monsters. These creatures arrived from outer space and invaded humanity. These creepy beings can possess human bodies as small worm-like creatures and will grow increasingly bigger and more powerful once they fully took control over their hosts’ bodies.
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Parasyte: The Maxim is one of the creepiest and best psychological anime and its story follows Shinichi Izumi and the Parasyte named Migi who infested his arm. Just like others of his kind Migi is also extremely strong and is capable of turning his body into a more muscular one or even a weapon to fight off enemies and keep himself alive.
5 Lily Carnation - One Piece
Eldritch horror monsters can pop up in the most unlikely of places and one of the seemingly cutest ones happens to be in the iconic anime pirate show, One Piece’s movie, Baron Omatsuri and the Secret Island. While Lily Carnation appears to be a harmless and lovely little flower her true form is anything but.
Lily Carnation’s true form is truly terrifying since this monstrous plant is capable of transforming into a demonic form. Thanks to its immense powers it can control life itself. One Piece is an anime with powerful villains, anti-heroes, some of the most iconic anime swords of all time, and magical plants, so an Eldritch horror monster is a perfectly weird fit in this thrilling and often heartbreaking show.
4 Bunny Elder Bairns - Blood-C
Blood-C’s now iconic and deeply terrifying Eldritch horror monsters the Bunny Elder Bairns were inspired by H.P. Lovecraft’s works as well as by monsters from traditional Japanese tales. These gigantic and horrifying creatures are not only feeding on humans, but they actually love killing and torturing people.
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The story focuses on Saya Kisaragi, a young high school girl, who has to kill these sadistic monsters at night before they could murder more people in her small village. No one in her village knows that Saya is a skilled swordswoman who, after the sun sets, uses her special blade to keep her hometown safe.
3 Void: The God Hand - Berserk
Berserk is one of the creepiest and most disturbing anime series of all time with one of the most manipulative anime heroes, lots of torture, and one of the most powerful and terrifying anime Elrditch horror monsters.
God Hand was the group of the five most powerful reality-warping beings in this anime and Void is not only their leader but the strongest member too. Void is the only one who is capable of marking souls with the Brand of Sacrifice. However, he is also highly intelligent and analytical and loves controlling everything and making sure that no one is capable of changing their own destiny no matter how hard they try.
2 Pride - Fullmetal Alchemist: Brotherhood
Pride was Fullmetal Alchemist: Brotherhood’s most terrifying and deadly monster. Fans were shocked to discover that King Bradley’s seemingly shy and frail little son was secretly the most powerful and terrifying homunculus in the show.
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Even though Pride seemed young, he was also one of the oldest ones who killed others while using his true body which appeared to be a gigantic shadow he could control at will. He looked at his human body only as a container and was able to use his shadow form to easily attack his prey and defend himself if needed. Even though FAB had immensely powerful alchemists in the series most of them were unable to stand against Pride’s intense powers.
1 The Angels - Neon Genesis Evangelion
Neon Genesis Evangelion is one of the most iconic action anime shows with one of the best anime openings and some of the most powerful Eldritch monsters of all time. The deadly space Angels in NGE were originating from Adam while humans were from Lilith.
This variant form of humanity turned out the be one of the greatest monsters the heroes had to face in this already dangerous and dark dystopian world. NGE’s story follows a group of Evangelion pilots and their experiences during the fights with the deadly Angels.
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