Under his control, the force field not only protected him but also extended to the surrounding soil and rock strata.
It stabilized the structure the moment digging began, absorbing all vibrations and stress changes.
The excavation process was completely silent, generating not even the slightest tremor, ensuring the subterranean structure remained naturally rock-solid.
In only about two minutes, the entrance to a vertical passage
bottomless and already expanded to several meters in diameter
appeared on the previously flat ground.
The passage descended hundreds of meters underground, directly reaching the rich iron Ore vein.
Karl stood at the bottom of the passage, surrounded by dark and damp rock walls.
But under his superhuman vision, everything was as clear as day.
He could see the iron Ores, exposed in the rock walls and exhibiting dark red or black-brown colors, densely embedded within the stone.
He did not stop, immediately beginning to widen a small area at the bottom with his bare hands.
The hard rock was like brittle biscuits in his hands, easily broken off and crushed by him.
He focused his attention on the Ores with high iron content, easily distinguishing the boundary between Ore and waste rock.
He then "pried" chunks of iron Ore of various sizes from the rock wall and piled them at his feet.
His movements were extremely efficient; before long, a small mountain of iron Ore had accumulated beside him.
After gathering enough Ore for current use, Karl looked up at the light above him, which resembled a wellhead.
He bent down, wrapped his arms around the base of the mountainous pile of Ore, and with a slight exertion of force, effortlessly lifted the small mountain of Ore over his head.
Then, bending his knees slightly, he powerfully launched himself upward, rocketing toward the surface along the vertical passage he had excavated.
A few seconds later, he flew out from hundreds of meters deep underground, still holding the Ore, and landed next to the passage entrance.
He did not stop; his body ascended again as his mind slightly stirred.
The Bio-field began operating in a peculiar manner, refracting and diverting the surrounding light.
Instantly, he and the massive pile of Ore he was holding gradually became translucent, until they were completely transparent and blended into the background, achieving an effect similar to optical invisibility.
This was a technique involving the Bio-field that he had figured out while familiarizing himself with his own power.
Relying on his invisible state, he flew across the sky without attracting anyone's attention.
Soon, Karl returned above the manor and descended outside the forging workshop in the backyard.
He placed the Ore he was holding in an empty corner inside the workshop; the Ore made no sound when it landed.
Only then did he deactivate the optical invisibility effect.
Karl's figure and the mountainous pile of iron Ore, still carrying the damp scent of the underground, abruptly materialized inside the workshop.
A guard who was wrestling with the iron ingot and hammer in the workshop subconsciously looked up to wipe sweat, his gaze inadvertently sweeping over the corner of the shed.
"Clang!" The forging hammer in his hand slipped and fell to the ground, making a crisp sound.
His mouth hung open, his eyes wide and round, staring intently at the mountain of Ore that absolutely had not been there moments before.
A gasping sound emerged from his throat, yet he could not utter a single word, as if he had been struck by a Spell.
"Hey! Quench it! What are you staring at? Are you an idiot?" urged his companion, who was busy heating another iron blank nearby, without turning his head.
Seeing his lack of response, he turned his head in confusion to look at him, following his companion's stunned gaze.
This man instantly froze as well, his expression identical to the first, nearly dropping the tongs in his hand.
Karl looked at their expressions, a faint smile playing on his lips, and slowly walked up to them.
He lightly patted one of the guards on the shoulder, causing the guard to jolt back to his senses and stammeringly attempt to salute.
"No need for formalities," Karl waved his hand.
He pointed at the pile of Ore and said easily, "See? Use as much as you want; there is absolutely enough iron Ore for you to splurge on. From now on, your scope of study has increased."
"Besides forging and shaping, you can also learn the processes of identifying Ore, building blast furnaces, refining pig iron, and casting standard iron ingots."
Seeing the men's faces instantly turn slightly pale, he smiled and added, "Don't worry about failure, and don't worry about wasting Materials."
"Even if you ruin the iron during refining, or if the forged items are completely unusable..."
"Afterward, I can simply re-smelt them and recycle them. We will not be lacking Materials in the future."
"Rest when you're tired. Pay attention to balancing work and rest, I shouldn't need to remind you of that, right?"
Philip and the three other young guards exchanged glances, their forced smiles looking worse than a cry.
The chance to learn forging for free
a valuable skill that could sustain them and even become a Family Legacy
Normally, this would be a stroke of luck they wouldn't dare dream of.
But for some reason, looking at Young Master Karl's "gentle" smile and the seemingly inexhaustible pile of Ore in the corner,
and then considering the terrifyingly heavy workload and the required high rate of tolerance for error, their hearts were currently filled with a "heavy" sense of happiness, and they couldn't feel happy at all.
However, they dared not raise any objections. They could only nod vigorously and respond in unison with dry voices: "Yes, Lord Karl! We
we will certainly study diligently!"
A week quickly passed as Philip and the others prepared for war and studied forging.
Karl's original plan was to gather his forces and launch a preemptive attack.
He wanted to teach an unforgettable lesson to the surrounding lords who dared to arbitrarily raise prices and exploit his subjects on other supplies and horses.
However, before he could initiate the conflict, the will of Foltest arrived at Terra even faster.
Dalton, holding a parchment document bearing the royal seal, quickly approached Karl, who was supervising the training of new recruits, and solemnly presented the document.
"Lord Karl, the King's summons."
Karl took the document and quickly scanned its contents.
His eyebrow slightly raised, a flash of surprise crossed his eyes, which then turned to contemplation.
He softly read out the key information: "The border of Erlend, a subordinate principality of Temeria, and the Kingdom of Kaedwen have entered into conflict over border demarcation and resource ownership."
"The situation is tense, with the risk of localized war breaking out
"
"Therefore, in accordance with duty, all vassal knights loyal to the Crown are hereby summoned to depart immediately and assemble at the border of Erlend to serve the kingdom
"
Karl gently put the document down, his face revealing no emotion.
Dalton, standing nearby, tried to gauge Karl's thoughts and cautiously suggested, "Lord Karl, if you do not wish to personally participate in this border conflict
"
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