The Z-City branch of the Hero Association was a black building rising amid countless skyscrapers.
Unlike the aged commercial towers and apartment buildings around it, it looked remarkably new, with a distinctly futuristic design that clearly employed the latest technology and building materials.
Having received notice of the meteor's arrival, its defense systems had already activated. Massive modular armor plating wrapped the entire building from top to bottom, and from afar, a white capital letter Z could vaguely be seen emblazoned on its slanted surface.
Clearly, compared to the city's nearly collapsed public security and economy, the Hero Association branch stood head and shoulders above the rest, forming a stark contrast with the bleak and dilapidated surroundings.
After all, this was the place with the highest frequency of monster appearances in the whole world. Its level of danger was simply incomparable to other cities.
Furthermore, deep underground in an abandoned uninhabited zone, an organization known as the "Monster Association" lay hidden. More than ten of its members alone had reached the disaster level of "Dragon."
If not for the Bald Demon King suppressing them year-round, this place would probably have long since become a paradise for monsters.
However, by the time Allen, Saitama, and Genos arrived, the place had already been completely deserted. Even the transport helicopter that had been parked on the rooftop had vanished without a trace.
Only Silver Fang Bang, ranked third among the S-Class Heroes, stood alone in the lobby, seemingly waiting for their arrival.
"Yo! Allen, you finally made it." The old man raised a hand and greeted him.
"How are things? And where are the staff members?"
Allen swept his gaze over the empty reception desk and the scattered papers and documents on the floor, unconsciously frowning.
He could understand that when faced with