You don't need a 'specific' hero, as there's already a blanket term included for providing an answer.
The Scions of the Seventh Dawn did it. That's legitimately the answer even if you are or are not including yourself into the equation, as that is the primary "hero organization" that you are dealing with throughout the main storyline.
You may not have heard of them, maybe you thought they were a rumor, or maybe they're just some sort of legend. But they're there, they're the story foil, and it works.
The Scions of the Seventh Dawn did it. That's legitimately the answer even if you are or are not including yourself into the equation, as that is the primary "hero organization" that you are dealing with throughout the main storyline.
You may not have heard of them, maybe you thought they were a rumor, or maybe they're just some sort of legend. But they're there, they're the story foil, and it works.