Blast

When Humanity truly needs saving, he will definitely come.

Blast (ブラスト, Burasuto) is a S-Class Rank 1 professional hero for the Hero Association. His whereabouts are currently unknown.

Appearance
Blast has a spiky black hair and wears a superhero suit with a cape similar to Saitama's. Unlike Saitama's suit, however, there is a fiery contour around the zipper.

Personality
Nothing is known of Blast's personality, but as evidenced by Child Emperor's reactions, Blast has a tendency of not showing up to the Hero Association meetings. Like Saitama, he considers his job as a hero more like a hobby. From Tatsumaki's words, it appears that he hasn't appeared for a while, as she asked herself when Blast will come back.

History
'The following section contains Webcomic spoilers. You have been warned, manga-only readers.'

At some point 18 years ago, Blast saved Tatsumaki from a monster. He then encouraged Tatsumaki to use her powers when in danger again.

Alien Conquerors Arc
During the S-Class meeting Child Emperor mention Blast's absence and was later confirmed by Sitch who mention his unknown whereabouts.

Monster Association Arc
'The following section contains Webcomic spoilers. You have been warned, manga-only readers.'

During the battle between the Monster Association, Hero Association, and Garou, Psykos manages to successfully take town Tatsumaki. Psykos mentions that it was naive for the heroes to be dependent solely on Tatsumaki to take down the Monster Association and to not bring along Blast and Metal Knight to their hero team in which she calls them their bishop and rook. Even so, she thinks that this would've not helped much.

Abilities and Powers
Being the highest ranked hero of the Hero Association, it can be presumed that Blast is a very powerful S-Class hero.

Fubuki mentions that Blast is "the one at the top of all heroes" during her talk with Saitama in his apartment, putting Blast alongside King in terms of power. However, as King is revealed to be only an ordinary human, Blast's strength is unknown.

Sitch also mentions Blast would be required to stop a God level threat.

Quotes

 * "You sloppily formed your team, without Blast and Metal Knight. You naively thought Tornado alone could win this war? You started this game without the bishop and rook. Though, I don't think having the bishop and rook would've helped you much." - Psykos
 * "Because...Bla-...On second thought, No."- Tatsumaki
 * (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 was the reason Tatsumaki became a hero, emulating Saitama who could convince people to be like heroes.
 * Blast is the first known human to become a hero in the series, as he was already fighting Mysterious Beings 15 years before the creation of the Hero Association.

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