European Monsters are a group of various species of supernatural beings native to Europe shown in High School DxD.


Like the Youkai, European Monsters have many different appearances, dependent upon the specific species. From the bird-like Harpy, to the snake-tailed Lamia.


The abilities of each European Monster differs in accordance to the species.

Types of European MonstersEdit


Harpies are a species of monster that resemble humans, albeit with feathered wings in place of their arms and bird-like talons in place of their feet.

  • The majority of the Harpies are females as stated by Kiyome Abe (a beast tamer).
  • One Harpy currently serves under Kiyome Abe. Like the rest of Kiyome's monsters, she has been taught how to play tennis.


Lamiae have the upper body of a human and the lower body of a snake.

  • The majority of Lamiae are female as mentioned by Kiyome Abe.
  • One Lamia currently serves under Kiyome Abe. Like the rest of Kiyome's monsters, she has been taught how to play tennis.


Cerebus are large, three-headed dog creatures around 10 meters tall. The body has thick legs, each with a set of sharp claws. Each head has a pair of red eyes and a mouth lined with sharp fangs. Additionally, each head can shoot balls of fire from its mouth.

  • Cerebus are known as Guard Dogs of Hell.
  • During Kokabiel's attack on Kuoh Academy, he summoned two of these creatures to attack the Gremory group, though they were defeated soon after.


Minotaurs are humanoid monsters with the head of a bull. They normally range from 4 to 5 meters in height, have a thick chest and arms, sharp fangs, and carry large axes which are bigger than the average human. They normally travel in herds and will attack if a member of their herd is injured. Despite having the head of a bull, Minotaurs are actually carnivorous.

  • In "Hell Teacher Azazel" Issei battled one of these creatures because its liver was need to cast a spell. With help from Azazel, Issei managed to win. However, after the battle, a herd quickly attacked Issei only to be wiped out by Azazel.
  • Azazel is a fan of Minotaur meat, comparing it to Matsusaka beef.


Unicorns have the basic appearance of a horse, but with a horn growing out from it's head. Since ancient times, their horns have been heavily treasured as medicine that had powerful healing properties. It can also be used to dispell a spell. If the horn breaks off, it can grow back if the proper medicine is applied.
  • In "Hell Teacher Azazel" Akeno lured a unicorn into dropping it's guard before knocking it unconscious.


Dullahans are sets of animated headless armor which carry their heads in their arm. They are able to give immense strength to their wearers but the person wearing the armor cannot take it off easily due to a curse.

  • A Dullahan referred to as "No-Head" Honda was temporarily serving Kiyome Abe who was watching over the armor and it's horse while the head was at the hospital recovering from a hernia. When Issei first met Honda, it was serving as the tennis team's headless mascot. Normally Honda wouldn't be allowed near the tennis team, but Rias and Sona were okay with it since he was doing it as a mascot.


According to Abe there are two types of Mermaids. The typical Mermaids are the ones with a fish head and legs. Currently only two were shown. Abe's Mermaid Estleena was a tuna with legs, while her father's Mermaid was a shark with legs. A common weakness of the fish-headed Mermaids are their incapability to remain in land even for few minutes.



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