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Speciality : Health
A close-range Closer who brings his strength up temporarily to demonstrate explosive power with hand to hand combat. Although he retired after a serious injury in the Dimensional War, he joined the Black Lambs due to a request from an UNION Official. He has barely any Phase Power left and also suffers from side effects, but he compensates for them with his experience, his unique Phase Power Respiration technique, and multiple medicines.

Blacklambs.png J
Name FlagKR.png J (제이)
FlagJP.png J (J)
Weapon Knuckles
Voice Actor FlagKR.png Kim Hwanjin (김환진)

FlagJP.png Takahashi Hidenori (高橋 英則)

Age FlagKR.png Unknown

FlagJP.png Unknown

Birthday November 22nd
Weight >80kg
Height 188 cm
Blood Type A
T/I FlagKR.png January 8th, 2015
OA FlagKR.png March 12th, 2015
FlagID.png ~
SA FlagKR.png May 16th, 2017
FlagJP.png ~
FlagID.png ~

Combos & Special Movement

Combo Description
px px px px px Punch once, punch again, charge forward, uppercut, then kick your foe away.
px px px px px Deliver a shin kick, kick again, then smack foes down with a headbutt.
px px Kick downward.
px px px px px px Jump into the air and kick the foe twice, lifting the foe; then deliver a kick that sends the foe flying.
Knocked Down px Recover from a knocked down state, knocking down nearby enemies.

Character Passive


Health Care
J efficiently converts his health power to fight in battle. Although J uses HP instead of MP, he recovers HP through normal attacks, and his Physical and Magical Damage increases by 3% of the maximum health. 5% of maximum health is also converted in to Physical and Magical Defense.


J's Strong and Healthy Exercise!

Main Article: Teamwork Skills
J's Teamwork Skill increases Max HP.


S0-1.png Phase Power Release : J Level 1 (2 SP)
Cancel.png Forced Cancel Level 1 (2 SP)
Evade.png Emergency Evasion Level 1 (1 SP)


FS1-1.PNG Anion Punch Level 1 (2 SP)
FS1-2.PNG Ocher Catch Level 1 (2 SP)
FS1-3.PNG Omega-3 Rush Level 2 (2 SP)
FS1-4.PNG Germanium Power Level 4 (2 SP)
FS1-5.PNG Finishing Move Healthy Morning Exercise Level 7 (5 SP)

Character Passive : Intern

Hidden Bonus

Physical/Magical Defense Penetration Rate is permanently increased by 3%.

Intern Promotion Exam

  1. Talk to Chae Miwoo (채미누) at Gangnam GGV.
    • Talk to Song Euni (송은이) at Gangnam GGV.
  2. Talk to Kim Yujeong (김유정) at Gangnam GGV.
    • Complete 1 run of 1-2 and 1-3 on Hard Difficulty
    • Report back to Kim Yujeong.
  3. Talk to Kim Yujeong.
    • Gather 10 Raindust.png Rainbow-colored Dimensional Dust (무지개빛 차원의 티끌)
    • Report back to Kim Yujeong.
  4. Talk to Kim Yujeong.
    • Complete 1 run of 1-4 on Hard Difficulty with A Rank or higher.
    • Complete 1 run of 1-5 on Hard Difficulty within 8:00 or less.
    • Report back to Chae Miwoo.
  5. Talk to Chae Miwoo.
    • Complete 1 run of 1-6 on Hard Difficulty.
    • Report back to Kim Yujeong.


FS2-1.PNG Jade Magnetism Level 21 (2 SP)
FS2-2.PNG Calcium Charging Level 22 (2 SP)
FS2-3.PNG Magnesium Strike Level 23 (2 SP)
FS2-4.PNG Finishing Move Golden Time Again Level 24 (5 SP)
FS2-5.PNG Body Massage Level 30 (3 SP)


SP2-1.PNG Basic Attack Training Level 18 (2 SP)
SP2-2.PNG Attack Strengthening Level 18 (2 SP)
SP2-3.PNG Fatal Strike Level 18 (2 SP)
SP2-4.PNG Probability Manipulation Level 18 (2 SP)
SP2-5.PNG Matter Penetration Level 18 (2 SP)
SP2-6.PNG Resilience Training Level 18 (2 SP)

Official Agent Exam

  1. Talk to Kim Yujeong (김유정) at G Tower Rooftop.
    • Complete Cube once.
    • Report back to Kim Yujeong.
  2. Talk to Kim Yujeong.
    • Gather :
      • Rainessence.png 7 Rainbow-colored Dimensional Essence (무지개빛 차원의 정수)
      • Crack3.png 5 Unyielding Dimensional Fissure (확고한 차원의 균열)
        • Both items can be crafted.
    • Report to Han Seokbong (한석봉) at (Old) Guro Station.
  3. Talk to Han Seokbong.
  4. Talk to Woo Jeongmi.
    • Complete 1 run of 3-S.
    • Report to Kim Yujeong at G Tower Rooftop.
  5. Talk to Kim Yujeong.
    • Complete Cube 1 time.
    • Report back to Kim Yujeong.


FS3-1.PNG Chiropractic Level 41 (2 SP)
FS3-2.PNG Headache Acupressure Method Level 42 (2 SP)
FS3-3.PNG Vitamin Combination Level 43 (2 SP)
FS3-4.PNG Finishing Move I Feel Like Flying Level 44 (5 SP)


SP3-1.PNG Phase Armor Level 42 (2 SP)
SP3-2.PNG Barrier Level 42 (2 SP)
SP3-3.PNG Power Conditioning Level 42 (2 SP)
SP3-4.PNG Aerial Death Technique Level 42 (2 SP)
SP3-5.PNG Back Capture Level 42 (2 SP)
SP3-6.PNG Gazelle Type Level 42 (2 SP)
SP3-7.PNG Phase Penetration Level 41 (2 SP)
SP3-8.PNG Forced Phase Strengthening Level 41 (2 SP)
SP3-9.PNG Fatal Phase Power Level 41 (2 SP)
SP3-10.PNG Transcendent Force Level 41 (2 SP)
SP3-11.PNG Compiling Coincidences Level 41 (2 SP)
SP3-12.PNG Tracking Instinct Level 41 (2 SP)

Character Passive : Special Agent


Constitution Improvement

Thanks to steady care and treatment, J's broken body was recovered to some extent, and the phase power operation improved.

When entering the dungeon, the maximum HP increases by 5000, and the HP and phase power are restored by 0.5% per second.

Germanium Power is enhanced :

- 300% damage increased.

- Increase range.

- Acquired three more vitamin points (total 6 vitamin points).

- Acquire well-received medicine buff when using skill.

  • Well-received medicine buff (duration 10 seconds).
  • HP 5% (+ 1% per skill level) recovery.
  • Phase power 6% (+ 1% per skill level) recovery.
  • Total Physical Damage increased by 5%.
  • Physical Critical Damage increased by 15%.
  • Resource Preservation increased by 10%.
  • Movement speed increased by 20%.
  • Super Armor Level 1.

Special Agent Promotion Exam

Level requirement: 67

  1. Talk to Song Euni on Lamb's Keeper Bridge
  2. Clear any dungeon in Tiamat Operations Center 6 times
    • Talk to Oh Serin at Tiamat Operations Center
  3. Clear Advancement Training Program : Vites 3 times
    • Talk to Oh Serin at Tiamat Operations Center
  4. Clear Advancement Training Program : Mephisto once
    • Talk to Oh Serin at Tiamat Operations Center
  5. Clear Advancement Training Program : Final Trial 5 times
    • Talk to Oh Serin at Tiamat Operations Center
  6. Complete the following:
    • Clear Advancement Training Program : Final Trial 2 times
    • Gather:
      • Crack3.png 20 Unyielding Dimensional Fissure (확고한 차원의 균열)
      • Bossdrop.png 250 Trans-Dimensional Pressure Material (반차원압 물질)
      • Rainessence.png 500 Rainbow-colored Dimensional Essence (무지개빛 차원의 정수)
    • Talk to Kim Yoojeong on Lamb's Keeper Bridge


FS4-1.PNG Unreleased Level 67 (3 SP)
FS4-2.PNG Unreleased Level 68 (3 SP)
FS4-3.PNG Unreleased Level 69 (3 SP)
FS4-4.PNG Unreleased Level 70 (5 SP)

The Black Lambs only accept minors, but J is an exception. He was sent by UNION to support the other members, and little is known of him but the fact that he was a CLOSER who fought in the Dimensional War.

His real name and age remains as a mystery, though it is clear from the songs and the celebrities that he likes that he's at least in his thirties.

J's job is to take part in the fighting with the other members and, in the event that something goes wrong, to take the lead and make sure that they all make it back home alive. He suffers from a number of conditions believed to be lingering injuries from the war, and he's a lot more frail than he looks.

J is often seen taking vitamins and pills of uncertain identity, and he often complains about sore shoulders and coldness in his hands. The other Black Lambs are dying to know his real name and age, but no matter how hard they try, no one has been able to get that prized information.

What was that?

He awakes from his sleep, covered in sweat. A nightmare--but he didn't quite remember the details. However, no doubt it was a dream of the battlefield.
The man did not belong anywhere- except the battlefield. The man did not know how to do anything- besides fighting.

What was my life about in the first place?

While saying "I'm sick," the man eventually came back to the battlefield.
To maintain the peace. To look over the children. He quietly made these excuses in his mind.
But was that really the reason?
Maybe, no other place had any meaning for him besides the battlefield.
Maybe, this was just an excuse to return to the battlefield?

And in the battle field, the man encounters his shabby shadow.

And in the battle field, the man encounters his shabby shadow.
Will this man be able to transcend his shadow, and be able to discover himself beyond the shadow?


  • J's dance emote is from Micheal Jackson's Billie Jean.
  • J often acts (and is) younger than he appears to be:
    • J prefers to be called 'older brother' (오빠) and dislikes being referred to as 'mister' (아저씨).
    • J often flirts with various female NPCs in his dialogue.
    • In the webcomic, J claimed he was in Elementary School 10 years ago, and used honorifics reserved for younger people by referring to Yujeong as 'older sister' (누나).
  • The names of most of J's skills start with a drug of some type.
  • Since his past is a high-security classified, fans call him a "Walking Cliffhanger".
    • In his past, J was part of "Team WolfPack".
    • J had worked with Seha's mother (aka Alpha-Queen) during the last Dimensional War. Alpha-Queen recommended J as a Black Lambs support agent. (On Rebuyer Report)
    • When Both Park Simhyeon and Oh Serin meet J, they were honored to meet 'The Legendary Closer'.
    • J and David Lee known each other ever since the last Dimensional War. Unlike other Black Lambs members, J calls him as 'older brother'(형).
    • J has an experience fighting against Ash & Dust during the last Dimensional War. (Unconfirmed)
    • When Kalbach Tux executed his plan, J said, 'Compared to the last Dimensional War, this is not even a disaster.'
    • Crizarid Blaster (unconfirmed English name) was impressed by J's power (even without phase power) and he wants to enjoy more fights with J.
    • J has a strong grudge against UNION, because he was possibly abandoned by UNION. Since J knows UNION more than others, he gets disgusted when Kim Yujeong talks about Union.
      • For example, When Woo Jeongmi decided to join the Union, J tells her 'Getting involved with Union won't do anything good for you.'
    • Ash and Crezarid Blaster(unconfirmed English name) mentions that J's Phase power was taken by force from someone. Fans believe that UNION did this to J.
    • Dimensional-form J mentions that he became a 'lapdog' after the war. In other words, J's life order is: Child soldier > Lapdog > Child supporter(Black Lambs).
  • According to the debut trailer, J is diagnosed with:
    • Neurotic Gastritis
    • Stress-related Migraines
    • Anemia
    • Rheumatoid Arthritis
    • Acrophobia
    • Several other chronic illnesses
  • The BGM used in J's Webmovie is 'Suspenseful Cinematic Background Music' by Monophobia Studio.
  • J's Japanese voice actor is originally Sugita Tomokazu, but it was changed to Takahashi Hidenori] on October 2017 with consideration for an anime adaptation.

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