Diablo

Primordial Black

Upper-rank demon general of the demon race and a powerful demon who became Rimuru's subordinate. Excels in intellect and combat ability, and is also a calm strategist.

Quotes

  • We will protect your futures.
  • Calmly assess the situation.
  • Loyalty is proof of strength.

Trivia

  • Diablo's name derives from the Spanish word for demon.
  • Originally a high-ranking demon general proficient in solo operations, but demonstrates overwhelming power after swearing loyalty to Rimuru.
  • Usually calm, but shows a friendly side by occasionally joking with Rimuru.
  • Can discern enemy abilities using his magic eye.
  • Voiced by Tomoaki Maeno in the anime, receiving high acclaim.

Alternate names

Diablo ディアボロ ディアベル

Tags

Demon Upper-rank Demon General Powerful Subordinate Isekai Fantasy Tensura Rimuru's Ally Sorcerer Demon Black Demon Demon Race

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Profile

Species
Demon
Gender
Male

Appearance

Overall appearance
Handsome young demon with jet-black long hair and black eyes, wearing suit-like attire. Exudes a dignified aura.
Height
About 180cm
Eye color
Black
Hair color
Black
Distinguishing features
  • Jet-black long hair
  • Black eyes
  • Suit-style clothing
Iconic items
  • Staff
  • Goggles-type Magic Eye
  • Black suit
  • Gloves

Personality and abilities

Core personality
Calm
Detailed personality
Intellectual and cool-headed, an insightful strategist. Highly loyal with absolute trust and respect toward Rimuru. Occasionally mixes in jokes but always keeps emotions in check.
Keywords
  • Loyalty
  • Tactics
  • Level-headed
  • Combat Prowess
  • Sincerity
  • Composure
Motto
Choose the most efficient method for the best results
Talents
  • Superhuman magical power
  • Godspeed reaction speed
  • Advanced magic eye abilities
  • Superior strategic thinking
  • Magic manipulation
Skills
  • Powerful attack magic
  • Appraisal to discern enemy abilities
  • Stealth action
  • Enemy weakness analysis
  • Command and leadership
Motivation
To support Rimuru and protect and prosper together with his comrades
Habits
Calmly analyzes the situation before battle and issues instructions in a composed tone
Favorite foods
Coffee, Black chocolate, Japanese sweets
Favorite colors
Black, Crimson, Azure
Hobbies
Reading, Strategy games
Disliked situations
Unplanned actions, Needless conflicts
Disliked foods
Overly sweet things

History

Backstory
Upper-rank demon general of the demon race known as Primordial Black, possessing a long history and immense power. Met Rimuru in another world, drawn to his power and character, and became his subordinate. Since then, has participated in many battles while supporting him.
Debut date
October 2, 2018
Work title
That Time I Got Reincarnated as a Slime
Media type
Anime
Episode or chapter
Season 1 Episode 1

Encounter with Rimuru

Significant event
Encounter with Rimuru
Description
Met Rimuru, recognized his abilities and character, and formed a contract to become his subordinate.

Demon Lord Summit Attendance

Significant event
Demon Lord Summit Attendance
Description
Attended the conference of otherworld Demon Lords as Rimuru's representative and asserted his presence.

Demon Lord Awakening

Significant event
Demon Lord Awakening
Description
When Rimuru awakened as a Demon Lord, served as his loyal right-hand man providing support.

Relationships

Rimuru Tempest

Master

Formed a contract and swore loyalty as a subordinate

Shion

Teammate

Comrade who cooperates in battles and operations

Benimaru

Teammate

Comrade-in-arms sharing troop command

Jura Tempest Federation

Jura Tempest Federation: strategist

Media appearances

That Time I Got Reincarnated as a Slime

Anime / Supporting

2018 TV series

That Time I Got Reincarnated as a Slime

Manga / Supporting

Serialization started in 2015

That Time I Got Reincarnated as a Slime: Scarlet Bond

Movie / Supporting

2022

Voice cast and creators

Tomoaki Maeno

Voice actor
Tomoaki Maeno
Language
Japanese
Version or series
TV Anime

Tomoaki Maeno

Voice actor
Tomoaki Maeno
Language
Japanese
Version or series
Movie

Fuse

Creator name
Fuse
Role
Original author

Mitz Vah

Creator name
Mitz Vah
Role
Illustrator

8bit

Creator name
8bit
Role
Animation studio

Related goods

Diablo Figure

Item name
Diablo Figure
Category
Figure
Availability
Regular

Diablo Acrylic Stand

Item name
Diablo Acrylic Stand
Category
Accessory
Availability
Limited

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