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Demon Slayer logo.png
Demon Avenger logo.png
Demon title.png

Demon selection button

The Demon is part of the Resistance. It is divided into two different jobs: Demon Slayer and Demon Avenger. They are of the Warrior branch, specializing with One-Handed Blunt Weapons and One-Handed Axes for Demon Slayer and Desperados for Demon Avenger. Additionally, they have a special shield called Demon Aegis which grows as the Demon strengthens.

He used to be one of the Black Mage's commanders until the Black Mage betrayed him and killed his family. The Demon tried to defeat the Black Mage but was overwhelmed and sealed in an egg for a century. However, he was able to crush the Black Mage's defenses which allowed Freud and Mercedes to weaken him further. In the present day, he was picked up by the Resistance and agreed to join them in order to make the Black Mage suffer.


Early Life

Demon and Damien were born in Tynerum, a land of demons under a devil father and human mother. In Tynerum, the land was under the rule of Absolute Power. Due to the fact that Demon and Damien were half-human, they were humiliated and constantly discriminated. At one point, Demon's devil powers awaken in order to protect Damien. Demon vows to protect Damien no matter the situation and difficulties.

Serving Under the Black Mage

Arkarium set Demon's house ablaze in southern Minar Forest

The Demon's story begins at the Temple of Time, approximately a hundred years ago. The Demon had served under the Black Mage for many years, and suddenly realizes he had become an absolute ruler and could no longer serve him. He encounters his henchman, Mastema, and demands her who she serves. After she admits her loyalty to the Demon, he tells her to deliver a letter to the Heroes. Despite the concern, she agrees.

Locket found at Demon's house

Earlier that day, there was a meeting between the Demon and the three other Black Wing commanders: Orchid, Von Leon and Arkarium. During the meeting, they mentioned that the Black Mage demanded everything destroyed. This alarms the Demon, as his family was located near Leafre, one of the burning sites. He quickly leaves to that destination. However, all he could find was a locket of his deceased mother and brother.

Betrayal and Revenge

Back in the current time, the vengeful Demon attacks Arkarium as he tries to enter the Black Mage's throne, but to no avail. Arkarium summons a few Lykas, but are quickly defeated by the Demon. As Arkarium is about to make an all-out attack on the Demon, the Black Mage opens up his doors, granting the Demon permission to enter.

The Demon engages the Black Mage in a fierce fight. However, the Demon is no match for his master and ends up being sealed in a large egg. Fortunately, the Demon severely crushes the Black Mage's defenses which would soon allow victory for the Heroes.

This isn't the end... I will return... and the Black Mage will suffer for what he has done!

― Demon

Joining the Resistance

In the present day, the Demon finds his energy dropping. He quickly breaks out and finds himself in the Black Wings' base in Edelstein, and realizes that he has dramatically weakened. When the Black Wings Rabbit Guards attempt to capture him, the Demon kills them with ease. J, a Resistance member who just witnessed the whole thing, explains the situation. The Demon collapses and faints, but is quickly brought to the Resistance hideout.

In the Resistance Base, the Demon begins to recap all the events. He then overhears the other Resistance members talking about him, and J takes the Demon out of the room. The rest of the Resistance members start interrogating him. They eventually come to the conclusion to recruit him into the Resistance in order to be able to defeat the Black Wings. Knowing that the Black Wings will get into his way, he agrees to join them.

From then on, the Demon can choose either the path of fury or the path of revenge , tracking down the Black Mage for the rest of his life to avenge his family, and killing those who betrayed him.


Demon convincing Damien to return

In the second blockbuster, he defeated the members of the Demon Army when they invaded his home. Determine to expose the identity of the commander who was covered with a hood, he was surprised that the commander's true identity is Damien and was still alive. After the truth of the death of their mother was revealed, Demon tries to convince Damien to let go of the power he has. However, he got struck down by his own brother, watching his brother's departure in sorrow.

Conclusion Between Brothers

In the final act, Demon heard of Damien's act of engulfing the World Tree. He heads to the Fallen World Tree and saves the heroes from the monsters. He explains the situation to the heroes and goes on ahead to deal with Damien, deciding to take responsibility to himself. Encountering Damien again, he expresses his feelings and thought wholeheartedly to Damien, again to let go of the power of the Black Mage. However, Damien strikes him dow

Demon carries Damien away

n again with the newly acquired power from the transcendence stone. When Damien was stopped and Evan survives the darkness of the Devil Spirit residing in Damien's sword, Demon steps in to destroy the spirit. However, the Devil Spirit reveals that destroying it will also kill Damien. Damien willingly decides to end his life and Demon reluctantly conducts the last strike to destroy the spirit. With a heavy heart, Demon carries his brother's lifeless body away from the World Tree.


Despite Damien's death at the World Tree, the Demon would face him again. Hilla resurrects Damien in front of Demon at the Labyrinth of Suffering to demoralize Demon and combat the Alliance. Damien's voice is also heard by the Demon after falling unconscious, providing encouragement (see the Trivia section's note on the Labyrinth of Suffering).

Job Advancements

1st Job Advancement

Starting as a Demon, the player will receive their first job advancement immediately after completing the tutorial.

2nd Job Advancement

For the second job advancement, reach level 30. Accept the quest given by Elex, then head over to the secret portal in Edelstein Park 3 and defeat Mastema's cat form. Talk to her, then meet her back at the Resistance Base to receive advancement.

3rd Job Advancement

For the third job advancement, reach level 60. Accept Mastema's quest and agree to meet her back at the secret area in Edelstein Park 3. Defeat her dimensional copy and talk to her again to receive the advancement.

4th Job Advancement

For the fourth job advancement as a Demon Slayer, reach level 100. Decline (instead of accepting) Mastema's quest and agree to meet her at the Path of Time. Defeat the Demon's Past Self and then be warped back to the Resistance base. Talk to Mastema again for the final advancement.

For the fourth job advancement as a Demon Avenger, reach level 100. Decline Mastema's quest to be warped to the Demon's childhood home to fight the Demon's Inner Rage, and then be warped back to the Resistance base. Talk to Mastema again to advance.

5th Job Advancement

For information on the 5th Job Advancement, visit this page.



  • Demon is the first ex-commander of the Black Mage to join the Resistance.
  • His brother, Damien, is not dead. Instead, he became a Black Mage Commander.
  • Demon is the second class which allows players to choose their path from the beginning, the first being Luminous.
  • The addition of Demon Avenger added a storyline for both Demon classes.
  • Demon is the second class who is not a human, the first being Mercedes, and is preceded by Kaiser, Angelic Buster, Zero, Cadena, Illium, and Ark.
    • However, unlike these other classes, Demon is half-human.
  • Mastema's gender is the opposite of Demon's gender; if Demon is male, Mastema is female, and vice versa.
  • Demon breaking free from an egg when he is discovered by the Black Wings is loosely related to Hermann Hesse's 1919 novel Demian. It is coincidentally tied back to the god Abraxas's symbol of a bird breaking free from an egg, while Damien (데미안, Demian) and Abraxas coincidentally are both names used in that novel, where a major character is named Max Demian and Abraxas is referred to throughout the story.
  • In KMS, Won-hyeong Choi is in game Demon's voice actor.
  • In FriendStory, a Demon character's reaction to Damien in Chapter 6 is noticeably different than any other characters.
  • The sub-class of the Demon Avenger is the only class that doesn't depend on any of the four main stats, its main attribute being HP.
  • Arguably, the Demon was the strongest person after the Black Mage since he was able to destroy his defenses by himself, when the effort of the six Heroes combined wasn't enough to finish him off, forcing them to seal away the Black Mage (this is assuming that nobody was stronger than the six Heroes in Maple World).
  • The Demon has special dialogues in "Black Heaven" with Orchid (recognized by her as a Commander) and by Claudine as a member of the Resistance.
  • The Demon also has special dialogue in Labyrinth of Suffering, where Hilla mocks Demon by using her new powers to revive Damien under her control.
    • A scene in the final act of Labyrinth of Suffering involves the adversary (your character) in a void of darkness, where they slowly recover their memories. Here, the adversary, whose morale and strength are almost completely gone at this point, talks to a voice that followed them throughout the Labyrinth, providing the motivation for the adversary to continue. The voice depends on your class; when playing as Demon, the voice that speaks to Demon is Damien.
Availability of Demon
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  1. She shares voice actresses with Hayato (Female).
  2. He shares voice actors with Aran (Male), and Afrien.
  3. Announcement on official MapleStory Japan Twitter page
  4. 4.0 4.1 Announcement on official MapleStory Japan Twitter page
  5. 한국식 SRPG를 정립한 '창세기전' 시리즈, 그 20년의 역사 (Korean)
  6. <서프라이즈> 내레이션 녹음 현장, 이거 정말 놀라운데요? (Korean)
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Class Aran.png Aran Class Evan.png Evan Class Mercedes.png Mercedes Class Phantom.png Phantom Class Luminous.png Luminous Class Shade.png Shade


Class Blaster.png Blaster Class Battle Mage.png Battle Mage Class Wild Hunter.png Wild Hunter Class Mechanic.png Mechanic Class Demon Slayer.png Demon Class Xenon.png Xenon


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Class Zero.png Zero


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