The hidden warehouse was beginning to take shape.
What had once been an abandoned building was slowly becoming a lifeline.
Every few days, Eren added something new.
A sack of dried beans.
A bundle of blankets.
A small medical kit.
Nothing expensive.
Nothing that would attract attention.
Small amounts were easier to hide.
And over time, they became something significant.
"Ding."
Emergency Supplies
Progress: 27%
Eren nodded in satisfaction.
Still a long way to go.
But progress was progress.
"You’re spacing out again."
Eren blinked.
Mikasa stood beside him, her hands behind her back.
"When did you get here?"
"Just now."
She looked toward the warehouse.
"What are you doing?"
Eren had already prepared an excuse.
"I found an old place."
"I thought we could clean it up."
Mikasa glanced inside.
The building was dusty and empty, at least at first glance.
The hidden compartment remained perfectly concealed.
"It’s big."
"Yeah."
"We could use it as a place to play when it rains."
She nodded.
"Good idea."
Eren smiled.
Sometimes the simplest lies were the most convincing.
The three of them spent the afternoon cleaning.
Armin enthusiastically organized old shelves.
Mikasa swept away years of dust.
Eren repaired broken windows with scrap wood.
By sunset, the abandoned warehouse looked almost usable.
"It feels like a secret base."
Armin laughed.
"It is."
Eren answered with a grin.
None of them realized how true those words were.
That evening...
"Ding."
Hidden Mission Complete.
Create a Safe Shelter
Reward:
Builder’s Toolkit
A wooden toolbox appeared inside Eren’s inventory.
He opened it curiously.
Inside were dozens of perfectly maintained tools.
A hammer.
Saw.
Nails.
Rope.
Measuring string.
Everything needed for basic repairs.
Not magical.
Just practical.
Exactly the kind of reward he preferred.
The next few weeks passed peacefully.
Life inside Shiganshina followed its usual rhythm.
Grisha treated patients.
Carla baked bread.
Armin collected books.
Mikasa stayed close to Eren wherever he went.
Meanwhile...
Eren trained.
Not obsessively.
Not enough to draw attention.
Just enough to improve a little every day.
His mornings belonged to physical training.
His afternoons to helping his father.
His evenings to studying.
And every night...
He visited the warehouse.
Slowly...
Quietly...
Preparing for the day no one else knew was coming.
One afternoon, while helping Grisha organize medicine, Eren noticed something.
Several boxes of bandages had been damaged by moisture.
Grisha sighed.
"What a waste."
"We’ll have to throw them away."
Eren examined the supplies.
Only the outer wrapping was ruined.
The bandages themselves remained clean.
"Father."
"Hm?"
"Can I have them?"
Grisha looked surprised.
"What would you do with damaged bandages?"
"I want to practice first aid."
Grisha smiled.
"A future doctor?"
"...Maybe."
"Take them."
"Thank you."
As soon as they returned home, Eren carefully carried the supplies to the warehouse.
Bandages.
Splints.
Old medicine bottles.
Even worn blankets.
None of them were perfect.
But after Wall Maria fell...
Perfection wouldn’t matter.
Having something would be far better than having nothing.
"Ding."
Bonus Objective Complete.
Store Medical Supplies.
Reward:
Field Medic Kit
Description:
A compact leather pouch containing high-quality bandages, needles, thread, antiseptic, and basic surgical tools.
Eren examined the pouch.
It looked completely ordinary.
Which made it perfect.
He hid it inside the warehouse.
That night...
Carla knocked gently on Eren’s bedroom door.
"Still awake?"
"A little."
She walked inside carrying two cups of warm milk.
"I thought we could talk."
Eren accepted the cup.
They sat together beside the window.
For several minutes...
Neither of them spoke.
Then Carla smiled.
"You know..."
"When you were younger, you used to tell me you’d become the strongest person in the world."
Eren chuckled.
"I really said that?"
"You did."
"You even stood on the table and announced it."
"...I was embarrassing."
"You were adorable."
They both laughed.
The warmth of the moment settled over the room.
Then Carla looked at the stars outside.
"I don’t care if you become the strongest."
She reached over and gently squeezed his hand.
"I just want you to grow up safely."
The smile on Eren’s face slowly faded.
Grow up safely...
She would never know...
That she wouldn’t be there to see it.
Unless...
He changed the future.
He silently tightened his grip.
I promise.
I’ll protect you.
This time... I’ll protect all of you.
As midnight arrived, the familiar system notification appeared.
"Ding."
Monthly Reward Available.
Eren immediately claimed it.
A silver chest materialized before him.
The lid slowly opened.
Inside rested a simple leather-bound book.
Reward Obtained
Skill Book: Basic First Aid
Eren’s eyes widened.
Perfect.
The book dissolved into particles of light.
Instantly, knowledge flooded his mind.
How to stop bleeding.
How to set broken bones.
How to treat burns.
How to prevent infection.
Hundreds of practical techniques became second nature.
When the process ended, Eren let out a long breath.
This...
This was exactly the kind of power he wanted.
Not a flashy sword technique.
Not overwhelming strength.
The ability to save lives.
Outside, beyond the safety of the walls, the wind carried an eerie silence across the endless plains.
Far in the distance...
Something enormous moved beneath the moonlight.
Still too far to be seen.
But with every passing day...
It came closer.
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