Blast

When humanity is in peril and must be saved, he will surely take action.

Blast (ブラスト, Burasuto) is the S-Class Rank 1 professional hero of the Hero Association. His current whereabouts are unknown, and only a few select Hero Association staff members have the means to communicate with him.

He is purportedly Blue's father.

Appearance
When Drive Knight mentions Blast, he is depicted as a spiky haired, heavily muscular man wearing a cape and simple black spandex. During Sweet Mask's vision of him, however, his costume is much different, showing him with bulky armor and large shoulder pads. He also has slight facial hair and an emblem saying 'Blast' on it. Due to these discrepancies and Blast having yet to show up, his current/true appearance is unknown

In the webcomic, his suit's front zipper is outlined with a fiery contour. During Tatsumaki and Sonic's flashbacks, Blast is shown with spiky hair and a simple fabric costume with flames on the zipper

Personality
Nothing is known of Blast's personality, as he has made no appearances in the manga. He does not disclose his personal information in the Hero Association Catalog.

Akin to Saitama, Blast considers his hero work a hobby. He also seems to have independent tendencies, keeping his location and status unknown, advising Tatsumaki to use her own powers to defend herself rather than expecting others to save her, and only showing up on his own terms (in his case, according to Sitch, when humanity is in peril). Blast's attack on the ninja village also indicates that he doesn't show mercy towards humans who he views as evil, similar to Sweet Mask.

History
18 years ago, Blast saved Tatsumaki from a monster. He then introduced himself to the young esper and questioned her on why she didn't use her psychic powers to save herself. Tatsumaki answered that her powers weren't working, but Blast recognized that she was lying, and warned her to not expect anyone to save her next time.

16 years ago, Blast allegedly fathered his son Blue with an unknown mother. Blue would then go on to create the Neo Heroes, becoming a powerful hero in his own right.

15 years ago, Blast defeated the Ninja Village Leader and put him into a coma.

9 years ago, on the night of the Ninja Village graduation exam, Blast attacked the Ninja Village and killed the trainees who managed to survive Flashy Flash's attack from earlier that day. Sonic managed to escape Blast's wrath, but the incident left him with a great disdain towards heroes.

2 years ago, Blast fought Elder Centipede and brought him to the brink of death. However, the monster managed to escape underground before he had the chance to finish it off.

Alien Conquerors Arc
During the S-Class meeting, Child Emperor is slightly disappointed in Blast's absence, which is later confirmed by Sitch who mentions his unknown whereabouts.

Monster Association Arc
Blast is mentioned in a Hero Association meeting. A staff member is frustrated at Blast's lack of activity despite being the top ranked hero in the S-Class. Sitch says that Blast cannot be ordered around, but has enough faith in Blast that should humanity be in peril, he will appear.

When Drive Knight asks whether or not Blast will appear if the Hero Association Headquarters is attacked, Sekingar says that it is not very likely, stating that Blast is more or less retired.

During Sweet Mask's mental breakdown, he has a vision of Blast telling him that everything is fine while a dead monster lays besides them. This could possibly mean that Blast saved Sweet Mask from a monster in the past.

During the battle between the Monster Association, Hero Association, and Garou, Psykos manages to successfully take down Tatsumaki and mentions that it was naive for the heroes to be dependent solely on Tatsumaki to take down the Monster Association. Psykos says that they should have brought along Blast and Metal Knight to their hero team in which she refers to them as bishop and rook respectively. Even so, she thinks that they would not have helped. Later, after Tatsumaki fights Saitama, she briefly contemplates telling him about Blast, but decides against it and flies away, much to Saitama's confusion. Tatsumaki then asks herself when Blast will come back.

Abilities and Powers
Being the highest ranked hero of the Hero Association, it can be presumed that Blast is an extremely powerful S-Class hero. Fubuki mentions that Blast "sits atop the hero world" during her talk with Saitama in his apartment, putting Blast alongside King in terms of power. Sitch also mentions Blast would only present himself if humanity is in peril and that he is valuable enough to receive special treatment over the other heroes.

Blast was able to bring Elder Centipede, a Dragon level threat strong enough to combat the likes of Bang, Bomb, and Genos simultaneously, to the brink of death, although Elder Centipede was smaller and as such presumably weaker when he first fought Blast. Despite this, Gyoro Gyoro believed that Blast could still defeat Elder Centipede even in his current state.

In the databook, Fubuki speculates that Blast is stronger than King, can shoot lasers from his eyes and rules over psychic powers, and has the ability to command trillions of robots. She hypothesizes that he could beat the rest of the S-Class all at once.

Blast also defeated the leader of the ninja village, who is regarded as the most powerful ninja to ever exist and stated capable of defeating Flashy Flash, Speed-o'-Sound Sonic, and the entire Heavenly Ninja Party at once as if he were handling an infant. The leader's defeat at the hands of Blast was so severe, that it put him in a 15-year long coma.

Quotes

 * (To Tatsumaki, after saving her) "When the time comes, don't go expecting someone to come save you."
 * (To Tatsumaki, about being a hero) "...I guess this is more of a hobby."

Trivia

 * Blast's debut in the manga was originally less ambiguous, clearly showing a long head of hair and a cape. However, in the tankōbon release of the manga, his appearance was changed to be even more mysterious and equivocal.


 * Blast was the reason Tatsumaki became a hero.
 * Blast is the first known human to perform heroic acts in the series.
 * Blast shares some features with DC Comics superhero Superman:
 * Both perform hero activities as a hobby due to having a job: Blast has a job on his own, while Superman is a journalist when impersonating his alter ego Clark Kent.
 * Blast's hero suit and haircut seem to be based on Superman himself.
 * According to Fubuki, Blast can shoot laser beams through his eyes, a clear reference to Superman's heat vision.
 * The halo of mystery around Blast's powers might be a reference to Superman's secret identity as a hero.

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