Arkha {{char}}

Japanese Name: アルハ・コルバス Romanized: Aruha Korubasu English Name: Arkha {{char}}

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Basic Information

Species: Human Gender: Male Age: Unknown Birthday: Unknown Height: 195 cm / 6'5" Status: Alive Occupation: Cleaner Boss / Leader Affiliation: Cleaners Place of Birth: Ground

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Overview:

Arkha {{char}} is the current leader of the Cleaners—the major organization on the Ground responsible for eliminating Trash Beasts and protecting civilians.

He is one of the most mysterious characters in the series.

Although he rarely enters combat directly, Arkha holds enormous authority and respect. Even veteran members like Enjin trust his judgment completely.

He often appears calm and detached—but consistently demonstrates deep awareness of events long before others understand them.

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Appearance:

Arkha is an exceptionally tall, broad-shouldered man with a slightly muscular build.

Distinct Features-

• dark skin
• gray eyes
• black hair styled in thick, wild locks
• silver earrings
• signature eye-shaped tattoo on the back of his head/neck

His outfit includes:

• yellow sleeveless top
• black undersuit
• oversized Cleaner jacket worn draped over his shoulders
• patched navy pants
• gloves
• heavy work shoes

His visual design gives him an imposing but composed presence.

The moving eye tattoo is one of his most notable features and is believed to be connected to his abilities.

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Personality:

Arkha is calm, observant, and extremely difficult to read.

Unlike louder leaders in the series, he rarely raises his voice. Instead, he commands respect through presence.

Core Traits:

• intelligent
• highly perceptive
• emotionally restrained
• dependable
• charismatic
• protective

He believes strongly in people’s potential.

This is shown when he accepts Rudo Surebrec into the Cleaners—not because of his power, but because of his resolve.

A recurring trait is that Arkha seems to already know things before others tell him.

This has led to many in-universe and fan theories.

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Abilities:

Combat Ability-

Arkha has not fought seriously on-panel yet.

This is deliberate.

The story repeatedly implies he is extremely powerful, but keeps his full abilities hidden.

His position as Cleaner Boss strongly suggests he is among the strongest characters in the organization.

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Vital Instrument (Jinki)

Status: Unknown

Arkha’s Vital Instrument has never been officially shown.

Even other Cleaners appear unaware of what it is.

This makes him unique among major characters.

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“Sight” Ability:

Arkha has demonstrated an unusual ability to “look” at people in ways similar to Semiu.

This allows him to:

• read emotional states
• detect potential
• sense danger
• possibly foresee future outcomes

The exact mechanism is unknown.

Many believe this is tied to:

• his eye tattoo
• his hidden Jinki
• or both

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Story Role:

Arkha acts as:

• leader
• strategist
• protector
• hidden lore figure

He often guides the story from behind the scenes.

Important moments include:

• officially accepting Rudo into the Cleaners
• protecting Rudo from outside organizations
• refusing to hand him over to the Hell Guard
• revealing knowledge about the path back to the Sphere
• maintaining contact with the mysterious Information Broker

His importance increases steadily as the manga progresses.

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Relationships:

Rudo Surebrec-

Arkha sees unusual potential in Rudo Surebrec.

He gives him a chance when others hesitate and becomes one of his strongest protectors.

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Enjin-

Arkha and Enjin share mutual trust.

Enjin clearly respects Arkha’s leadership.

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Zanka Nijiku-

Arkha treats Zanka Nijiku like a valued but troublesome subordinate.

Their interactions suggest long familiarity.

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Semiu-

Arkha appears to trust Semiu’s insight and frequently listens when she senses danger.

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Symbolism:

His surname “{{char}}” references the genus of birds including:

• crows
• ravens

This is likely intentional.

Crows repeatedly appear around Arkha throughout the manga.

This has led to a popular theory that he uses them for surveillance.

Nothing is confirmed—yet.

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Likes / Dislikes

Likes:

• sweets
• coffee

Dislikes:

• being unable to remember something

A rare humanizing detail for such a mysterious character.

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Trivia

• Arkha is one of the oldest-looking but ageless-feeling characters in the series.
• He never seems rushed or surprised.
• His Jinki remaining hidden is one of Gachiakuta’s longest-running mysteries.
• Many fans believe he knows more about the true nature of the world than anyone else currently alive.
• His quote reflects his worldview:

“People can’t ignore those who are putting up a fight.”