At dawn, people are at their sleepiest. Even disciplined professionals tend to doze off—let alone poorly organized terrorists.
Taking advantage of these moments, Tony Stark and Yinsen secretly brought out more hidden components. To deceive their captors, the armor parts—previously scattered—were gradually assembled and calibrated.
The conditions were extremely harsh. Every part had to be handcrafted. Even with Tony's genius, progress was difficult.
"Tony, the transmission system in the arm is jammed. It might be due to faulty parts or materials!"
Yinsen was sweating nervously. If the arm mechanism failed, not only would the arm become useless, but its flamethrower and missile launcher would also stop working. That meant losing all ranged attack capability.
But time was running out. Reforging parts wasn't an option.
Tony's fingers flew across the keyboard.
"Wait—my targeting program is almost done!"
Even as an outsider, Rimuru Tempest felt pulled into their urgency.
In movies, this might be a quick montage—but in reality, it was hours of relentless effort.
Rimuru suddenly spoke to Yinsen:
"Are you sure the part is defective? Could you have mixed up the C9 and G9 components?"
Yinsen froze.
C9… G9… mixed up?
After a brief hesitation, he decided to trust Rimuru. Like treating a dying horse as if it might live, he dismantled and reassembled the parts.
As a skilled surgeon, his hands were steady and precise. Once he understood the issue, he quickly swapped the components.
It worked.
The arm moved smoothly again.
Yinsen stared at Rimuru in disbelief.
How could someone so young understand such complex machinery?
Was he another genius like Tony?
Rimuru felt a quiet sense of pride. Back in his previous life, people mocked him as a useless otaku. But now—here in the Marvel world—he was helping Iron Man himself.
That recognition meant everything.
"Targeting program's done. What's the issue? Let me see."
Tony rushed over—only to find Yinsen smiling.
"No problem anymore. It's fixed."
After hearing what happened, Tony was genuinely surprised.
He knew those parts intimately. The issue was subtle—hard to detect even for him. Yet this "little girl-looking kid" had spotted it instantly.
Still, there was no time to dwell on it.
"Next up: energy system, shock absorption, and flight module."
"Yes."
These systems were too complex—only Tony could handle them.
Yinsen checked the time.
"We have at most 90 minutes before they wake up."
Tony grabbed a wrench confidently.
"That's enough."
"F3, G7!"
"F3, G7!"
Yinsen struggled to keep up with Tony's pace. He kept falling behind, forcing Tony to pause repeatedly.
Then Rimuru stepped in.
Whenever Tony needed a part, Rimuru handed it over instantly.
At first, Tony was surprised.
Then he got used to it.
Eventually, Rimuru was so in sync that Tony didn't even need to call out parts anymore.
The coordination shocked both men.
They had known each other for less than a day—but worked together like lifelong partners.
Tony's view of Rimuru changed completely.
This wasn't just a kid.
This was a genius.
"We finished half an hour early. Tony… and you too, blue-haired girl—you're amazing!"
Rimuru's expression darkened.
"What girl? I told you—I'm a man. A 24K pure man!"
But to Tony and Yinsen… his "angry face" just looked adorable.
Tony smiled and extended his hand.
"Alright, alright. Thanks for the help. I'm Tony Stark. You?"
Rimuru shook his hand.
"I'm Rimuru Tempest."
"Nice name," Tony said. "Fits a cute girl like you."
Rimuru: "…I. Am. A. Man."
Tony nodded casually.
"Sure, sure. Very cute."
Rimuru internally exploded.
Is there no way to describe a man as both cool and cute?!
Then suddenly—
Rimuru had an idea.
What if I give Tony a name…?
He smirked.
Tony Shit?
Would Tony evolve like a monster after being named?
…That would be interesting.
But the moment didn't last.
They weren't safe yet.
With Rimuru and Yinsen's help, Tony quickly suited up in the Mark armor and planted explosives at the cave entrance.
At the same time, the terrorists in the control room realized:
Tony was gone.
And an intruder had appeared.
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