Bak Chang

is a member of the Black Order and Branch Head of the Asian Branch. He is the son of Tui Chang and Edgar Chang Martin, the respective former Branch Head and Assistant Branch Head of Asian Branch and the overseers of the Second Exorcist Program

Appearance
Bak Chang is a slender eurasian man with short, messy blonde hair. (In the past he had long hair tied back in a ponytail.) His facial features are that of a Chinese man but he has almost transparent grey eyes.

As Head of the Asian Branch, he wears a white coat which in his case is customized into a tight-fitting bolero jacket with the Rose Cross on the left side. He usually wears Italian style boots and a beret with a tassel and spirit stone on the top.

He has tattoos on both his arms, which are actually sorcery contract marks that all sorcerers in the Chang Clan wear to signify their oath to the sealed god. He is also very short for his age, being the same height as Allen even though he is twice his age.

It is noted that he looks younger than he is.

Personality
Like Komui Lee, he is a man aware of his duties and the dark legacies surrounding the Order. Though not an Exorcist, he is able to perform some spells, mostly to control the structure of the headquarters thanks to the seal created by his great-grandfather and the blood of the Chang clan. Bak is a responsible leader. It is said that his intellect is a triumph of the Asia Branch. Due to his noble-like upbringing, Bak refers to himself as "Ore-sama" (which can be translated as "my honorable self", "divine me", or "the great me") when he is angry (more specifically, angry at Fo), but otherwise he usually calls himself "boku" (a less formal way for noble males to refer to themselves). When he experiences strong emotional disturbance, he breaks into hives - all of those incidents are treated as life threatening by Wong. Bak has a tendency to cry without his own knowing. He has a huge crush on Lenalee and even "stalks" her a little bit by taking photos of her.

Invasion of the Black Order arc

 * Education: 5
 * Affinity: 3
 * Work Ability: 4
 * Mental: 5
 * Flexibility: 3
 * Meticulousness: 4

Searching for Allen Walker arc

 * Sophistication: 5
 * Humanity: 4
 * Work Ability: 4
 * Mental: 3
 * Flexibility: 4
 * Delicacy: 5

History
Bak is the son of Tui Chan and Edgar Chang Martin. He was raised like a prince and had very strict education. His mother believed that it would provide him the position of a supervisor so he could change the negative aspects of the Black Order. Bak Chan is the leader of the Black Order's Asian Branch, a post occupied also by his great-grandfather, maternal grandfather and mother, Tui Chan (and perhaps the other generations of his family). Before becoming the Asian Branch Chief, he once served as a Section Chief in the Northern Sector of the Asian Branch.

9 years ago he is seen talking with Noise Marie who just became blind after his last mission. He advises him to rest a bit but Marie replies that he will probably die in the next mission. Suddenly Yu Kanda falls rises up from the water next to them and faints. Bak goes to look for the medical section but Kanda stops here. Bak notices that the boy is wounded by a needle from the crow and Marie pulls it out. Unfortunately a Crow member arrives and takes the child. He and Komui seem to be good friends as Komui address him as Bak-Chan(Dear Bak).

Edo and Asian Branch Arc
After Allen’s defeat at the hands of Tyki, For takes the young Exorcist to the Asian Branch, where Bak expresses his amazement about the fact Allen’s destroyed Innocence had chosen to save his life. Some time later, Bak introduces himself to Allen, who becomes distraught at not being able to open the sealed door which houses the Asian Branch’s Guardian Deity. He explains to Allen that there are other ways to support the order besides being an Exorcist and doing so would mean he would not be punished by God. However when Allen becomes increasingly distressed when he thinks about his promises to destroy Akuma, fight alongside his comrades and keep on walking, Bak reveals that Allen’s Innocence is not dead—he simply wanted to test Allen’s will before telling him. Just as he is about to tell Allen it is possible to restore his Innocence, Bak is kicked mid-sentence by For.

With that, Bak leads both Allen and For to a room filled with mist made up of the particles of Allen’s shattered Innocence. Although he admits that their science has not come up with an explanation as to why Allen’s Innocence continues to live on, Bak is confident that simply getting him to activate his anti-Akuma weapon will allow the Innocence to be restored. Nevertheless, even after an hour of trying, the Innocence simply reverts back into particles and it becomes clear that the process of restoring it will not be so simple. Some time later, when Allen strengthens his resolve to not give up, he inadvertently headbutts Bak, causing him to drop numerous photos of Lenalee. When Allen sees them, an embarrassed Bak frantically snatches them back before breaking out into hives.

Later, while dramatically bedridden due to his hives, Bak explains to Allen the differences between Parasite and Equipment Type Innocence—ultimately, unlike Equipment Type Innocence, a Parasite Type Innocence means that the accomodators’ own body becomes a weapon. He goes further, explaining that Allen’s Innocence may only be restored once he has discovered its true form. Therefore, Bak decides that their next plan of action would be to have Allen fight against For, so he would be forced into getting to know his Innocence better. While the two continue to train, Bak updates Komui on the situation.

Several days later, Bak witnesses a quarrel between Allen and For, and while he realises Allen is becoming more and more distraught as the days pass by, he is reluctant to let him out of the Asian Branch because he is being targeted by the Noah Family. Some time later, Bak hears For frantically screaming his name and telling him to hide Allen, while Thread, a level 3 Akuma, bursts into the Asian Branch. When Allen is pierced by the Akuma’s thread, Bak arrives and uses his power hold it back. With the thread severed, Rohfa, Shifu and Rikei make their escape carrying a severely injured Allen while Bak plans to seal off the Northern Sector of the Asian Branch. He enlists the help of For to provide a distraction and stall for time, sending her into battle against Thread disguised as Allen. Despite his obvious distress at having sent For to face certain death, Bak stubbornly refuses to let Allen join the fight since—thanks to Thread’s attack—his molecular structure is weakening. Nevertheless, when Allen does not back down, Bak eventually allows him to go through the door and upon seeing a seriously injured For, he embraces her and protects her while Allen deals with Thread. However, to Bak's horror, Allen is defeated, and his own attempts to stop the advancing Akuma are easily thwarted. Just when all hope seems lost, both Bak and For are saved when Allen’s Innocence finally takes the form of Crown Clown.

After the battle between Allen and Thread is over, the science division and Bak collect the data on Allen’s anti-Akuma weapon before seeing him off as he enters Noah's Ark. However, before Allen leaves, Bak gives him the new communicator he had been working on which will allow him to communicate with headquarters even when he is inside the Ark.

Noah's Ark Arc
After Allen returns to the Asian Branch using Noah’s Ark, he asks Bak to let him use the phone to let headquarters know they would be heading home. Thanks to the Ark, he is freely able to walk between the European and Asian Branches, and much to the annoyance of the rest of the Asian Branch’s science division, Bak goes to investigate by himself.

Bak is in awe as he explores the Ark, unable to believe such technology existed 7,000 years ago. All the while Reever Wenhamm and Johnny Gill express their concern that Bak had invited himself into the Ark despite Komui forbidding anyone else to enter. However, Won is quick to jump to Bak’s defence, claiming that he is only worried about Lenalee. Komui had made sure that Bak was not allowed anywhere near her room, which upset him greatly.

Headquarters Invasion Arc
Later that day, Bak is summoned by Malcolm C. Lvellie to a meeting alongside the Generals and the other Branch Directors. When Lvellie shares his plans to use the Ark to their advantage, Bak remains opposed to the idea, maintaining that they must study it carefully before using it, though not everyone agrees. Bak becomes enraged when Lvellie dismisses the safety of Exorcists, but just before he can protest, Komui stops him. Nevertheless, Bak’s disgust only grows when Lvellie reveals he plans for Allen to face the Inquisition due to his apparent connection to the 14th Noah.

Since all the Branch Directors are staying at headquarters for the time being, Bak joins them and the rest of the European Branch members for breakfast. To his disbelief, he overhears many of them gossiping about Allen’s supposed treachery. Later that day, Bak arrives at Lab 5 with Oceania Branch Director Andrew Nansen and North America Branch Director Renny Epstain, to offer their help with investigating the Akuma Egg which had been retrieved from the Ark. Just as Johnny begins to insist that it is their job to deal with, Bak looks on in horror as the bespectacled scientist is brutally stabbed by Lulu Bell, who had disguised herself as Andrew Nansen. With this, she summons a swarm of Akuma which swiftly overcome the laboratory and begin capturing the scientists within. .

Bak manages to hide, along with Renny and a severely injured Johnny, and manages to contact Reever, who is also in hiding and preparing a makeshift barrier talisman. Bak and the others look on in horror as the Skulls who had arrived with Lulu Bell line up all the captured and wounded scientists and kill off the ones they do not need. Although tearful and unable to make contact with anyone outside the lab, Bak remains confident that Allen’s left eye will alert him to what is going on. Fortunately, Allen and Bookman arrive on the scene and begin battling the Akuma, however it is not long before the two are overpowered. Nevertheless, this had given Bak and the other surviving scientists time to finish putting together the barrier talismans, which they then use to protect the two Exorcists.

At that moment the Generals, along with Miranda and Marie, enter the fray. Nevertheless, when Johnny attempts to save Tup Dop from a huge Akuma, Bak, Reever and the the group of surviving scientists use the barrier talismans in an attempt to save them. Their efforts are in vain, however, when the talisman runs out of power. The barrier shatters and with that, the Akuma evolves to level 4, leaving Bak, Reever and the other scientists severely injured.

After the gruelling battle against the Level 4 ends, a now conscious Bak praises the science division, calling them a tough bunch.

Komuvitan D Arc
After the outbreak of Komuvitan D, Bak arrives in order to create a new vaccine for the virus and also help with the move to the new headquarters.

Artificial Exorcists Arc
After learning about Third Exorcist Program and Reni Epstein's travel to main headquarters. Bak makes urgent call to Komui Lee, warning him to not to make hasty decision without him. After arriving at the meeting, Bak's furious at the North American Branch chief for participating in such dangerous and doomed to fail experiment.

Later as Kanda arrives to the Asian Branch by the Zu Mei Chan's request, Bak hosts the Exorcist with some tea. Unfortunately the mood in the room is especially stern, which makes Bak feel uneasy. Scientist believes that the mood is spoiled by recent appearance of Third Exorcists who are somehow connected with Kanda's mysterious past. Bak tries to apologize but is violently silenced down by Kanda himself.

Bak takes part in scientific meeting hosted by North American Branch at which Reni Epstein explains the background of the Third Exorcist Program - Alma Karma - both Zu Mei Chan and Bak are petrified by the sole idea of using fallen Second Exorcist as a core to the experiment and voice their disgust toward the Project. Eventually the meeting is interrupted by Noah Family who enslaves all the attendants and brings partly limbless Tokusa and unconscious Kanda.

After Allen's flashy entrance a battle starts in which Alma Karma awakens. His hatred toward the order turns Third Exorcists into mindless monsters. Tokusa blinded with Alma's rage mistakes Bak for his deceased father - Edgar and attacks him with lightnings. During the struggle Bak summons his guardian Fo to take care of Tokusa, while Allen is asked to help Alma Karma.

Fo has to deal with Tyki Mikk so Bak uses his own magic powers with the spirit stone to keep Tokusa in check. He does it with difficulty as his energy diminishes little by little. In the end the stone breaks and Fo disappears. They all stand before a free enraged Tokusa but fortunately Allen comes back. The Noah finally leave the battlefield, taking the third exorcists with them.

Seed of Destruction Arc
Not much after the incident a special meeting between the higher ups and the cardinals is held, as Link makes the rapport to the higher ups Bak is displeased by the turns of event. Bak and Reni stands next to the wall.

Bak is seen discussing with other higher-ups when the explosion in the dungeon happens. He follows Rouvelier, Zu Mei and Reni in the dungeon where the corpse of Howard Link lies. Malcolm tells Reni to "be careful " and Bak interrogates her but she ignores him and leaves.

Three months later, Bak is seen crying at the bedside of his dying grand uncle.

Searching for Allen Walker arc
Bak is in the representation of "home" of Allen.

Equipment
Spirit Stone: Like all members of the magically inclined branches of the Chan Family, Bak is equipped with a marble-like stone known as the Spirit Stone, which acts as a power catalyst for Bak's magic. He has been seen using it to summon Fo by dripping some of his blood on it and chanting the incantation "Guardian deity within the spirit stone, by my blood I command you. God Seal Summon." Invoking the power of the stone also allowed him to restrain the Akuma-maddened Tokusa. The power of the Spirit Stone is not infinite; as Fo took damage, the stone cracked and eventually shattered. When Bak was younger, he kept it on a ribbon he tied his hair back with, and when he got older and started wearing his hair short, he kept it on his beret.

Abilities and Skills
Sorcery: Being a member of the Chan Family, a family whose German-born ancestor was a powerful magic user and one of the founding members of the Black Order, Bak has, like all members of the main branch of the Chan Family, been taught how to use the Chan Family magic. Most often, Bak is seen using this power to summon the Asian Branch's guardian deity, Fo, though he can also use it to manipulate certain rooms in the Asian Branch.

Master Scientist: Bak is a skilled scientists whose intellect matches that of Komui Lee, former head of the European Branch's Science Division and current Chief Officer of the Black Order. Being a member of the Chan Family, though, Bak is kept in Asian Branch, which has been headed by members of his family for at least two generations.

Major Battles

 * Bak Chan VS Tokusa

Relationships
Zu Mei Chan:

For: 

Sammo Han Wong:

Komui Lee:

Trivia

 * Bak enjoys doing covery photography (but only when photographing Lenalee) and sneaking around the headquarters. He likes Lenalee, the space between the sealed doors, studying, Wong, and his own face. He dislikes snakes, unreasonable violence, hives, and Lvellie.
 * For tells Allen that a person once was lost in the Asian Branch for a week and nearly starved. Bak is undoubtedly this person, as he jumps and quietly scoffs at the comment.
 * Bak is sometimes portrayed in a frog costume
 * For refers to him as Baka-Bak (Idiot-Bak)
 * Bak chronologically first appeared in the novel, then in the manga and finally in the anime.
 * Though Chinese, Bak's last name - Chan - sounds the same as a Japanese honorific - -chan - used for name diminution. Because of this, Komui sometimes teases Bak by calling him either Bak-chan or Bak Chan-chan (Baky in the manga) instead of Bak Chan.
 * It is revealed to Allen that Bak breaks out in hives when embarrassed or excited (Allen just happened to cause Bak to drop his photographs of Lenalee when he was stalking her).

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