Doomsday Mechanic: My Train Can Be Modified Infinitely

At 11 p.m., the massive body of the Longyuan lay silently in the shadows of the warehouse, with only a few industrial lights in the sixth processing area still on, casting cold rectangular spots of light on the cement floor.

Wang Zhengyang stood in the center of the work area, his work jacket casually draped over the back of his chair, wearing only a dark gray tactical vest. The fatigue from a long day's work didn't leave many marks on his face; instead, his eyes appeared even sharper and brighter under the light—a subtle manifestation of the Caldova gene engine's continuous optimization of the host's physiological functions.

On the workbench, the composite armor plate components to be installed tomorrow are neatly arranged. These are special alloy plates "recycled" from Zhang Yiqiang's warehouse. Each plate is two meters long, one and two-tenths meters wide, and four centimeters thick, with a matte dark gray surface. According to the design, they will be installed on the outer layer of the Longyuan's engine room, engine compartment, and main control room, forming the first line of physical defense.

However, the edge finishing of the original armor plates was not perfect, and the tolerances of the connecting holes also needed fine-tuning. In the absence of large CNC machine tools, this millimeter-level or even more precise finishing work could only be done by Wang Zhengyang himself—using his mechanical affinity.

He closed his eyes and took a deep breath.

A 0.53% level of arousal flowed smoothly through my body. The sensation wasn't like an electric shock, but rather like some kind of highly purified liquid metal, flowing gently and heavily through my limbs and bones. My consciousness extended along this "flow," like an invisible hand lightly touching the armor plates on the workbench.

In an instant, the world changed.

In his perception, the thick armor plate was no longer a homogeneous whole, but had transformed into a microcosm composed of countless stacked metal lattices. He could "see" the precise arrangement of iron atoms and alloying elements such as chromium, nickel, and molybdenum within the lattice, the tiny grain boundaries as clear as the veins of mountains. He could "feel" the direction of the fibrous structure formed during the rolling process—the direction in which the material was under the strongest stress. He could even faintly "hear" the whispers of residual stress within the metal, the invisible tension frozen between the lattices during the manufacturing cooling process, like undercurrents beneath the surface of water.

Wang Zhengyang slowly opened his eyes, stretched out his right hand, and placed it about twenty centimeters above the armor plate.

Concentrate your mind.

Mechanical affinity, like invisible mercury, seeped into the edges of the armor plates. This time, he didn't simply sense it, but actively intervened—guiding the migration of metal atoms at the microscopic level.

The goal was to smooth out a tiny 0.3-millimeter unevenness on the left edge. This flaw was almost invisible to the naked eye and difficult to handle with ordinary tools, but in Wang Zhengyang's perception, it was as abrupt as a steep cliff on a map.

The process is extremely slow and delicate. He cannot simply "smooth it out," as that would destroy the crystal structure and create new stress concentration points. He must act like the most skilled nanocraftsman, guiding atoms one by one from the "high places" to fill the "low places," while ensuring that the crystal lattice does not become misaligned along the migration path.

Sweat seeped from Wang Zhengyang's forehead, slowly sliding down his temples. This process consumed far more mental energy than mere perception; guiding the migration of each atomic cluster was like performing a complex, multivariate calculation in his mind. Yet his movements remained as steady as a mountain, his breathing maintaining a special rhythm—inhaling for four seconds, holding his breath for seven seconds, and exhaling for eight seconds. This was a breathing method he had developed under extreme pressure in his previous life, maximizing oxygen utilization efficiency and maintaining mental clarity under high-load computation.

five minutes.

The 0.3 mm unevenness disappeared. The edges became smooth as a mirror, and the metal lattice was perfectly integrated into the repaired area, leaving no micro-cracks or stress anomalies.

Wang Zhengyang withdrew his hand, exhaled softly, and felt the depletion of his mental energy—approximately one-fifteenth of the total. He looked at his right hand, his fingertips still seemingly retaining the subtle sensation of "conversing" with the metal atoms.

"Efficiency is up 7% from yesterday," he muttered to himself, his voice particularly clear in the empty processing area. "The precision of control over atomic layer migration has improved, and the loss of ineffective energy has decreased."

This is how the Caldova Gene Engine grows: pushing the limits in extreme use. Every high-precision, highly complex mechanical intervention is a test of the engine's processing power and neural interface efficiency.

He didn't rest and continued working on the next armor plate.

This time, the objective was more complex: to correct the center deviation of a connecting hole. The hole itself had already been drilled, with a diameter of 22 mm, but the center point was offset to the right by 0.15 mm. This error might be tolerable in ordinary bolt connections, but Wang Zhengyang was installing a special hydraulic locking mechanism, requiring the hole concentricity error to be less than 0.05 mm.

Traditional methods require re-drilling, enlarging, and inserting new holes, which is a cumbersome process and weakens the strength of the sheet metal. Wang Zhengyang's method, however, allows the metal in the hole wall to flow in a controlled direction without changing the hole diameter—like using invisible fingers to gently "push" the hole back into the correct position.

This requires precise control of the metal stress state within a 360-degree range around the hole, and is a preliminary exercise in multi-threaded interference.

He closed his eyes again, his consciousness splitting into dozens of finer "tentacles," which simultaneously probed the metal structure surrounding the hole wall. Each tentacle independently analyzed the local lattice state, calculated the optimal migration path, and then worked together.

The feeling was both strange and strenuous. It was like playing ten games of blindfold chess simultaneously, calculating the situation a dozen or so moves ahead in each game. The temperature of his brain's processing core rose noticeably, and he felt a slight throbbing sensation in his temples, but Wang Zhengyang's mind remained highly focused, his consciousness as precise as a scalpel.

Eight minutes later.

The hole alignment was corrected. He used a dial indicator to measure—the center deviation decreased from 0.15 mm to 0.03 mm, fully meeting the requirements. More importantly, the lattice structure of the metal in the hole wall was optimized during the migration process, and the local strength actually increased by about 5%.

"The stability of multi-threaded interference has been improved." Wang Zhengyang wiped the sweat that had slid down his chin, a look of satisfaction flashing in his eyes. "This means that in actual combat, I can simultaneously make three guns in different positions aim, lock, and even complete the initial stage of firing action on their own—as long as they are within my effective control range."

This advancement means that in future skirmishes, it will allow the enemy to be "betrayed" by their own weapons. It's not simply about destruction, but about precise seizure and control—this is the advanced application of mechanical intervention in combat.

After finishing the fine-tuning of the four key armor plates, it was past midnight.

Wang Zhengyang walked to the training area in the corner of the processing zone. There were no complicated fitness machines here, but instead several sets of special training devices modified by supernatural abilities.

The first device is the "Floating Target System." Three retired G36 assault rifles are fixed on rotating supports, their muzzles aimed at a target ten meters away. But at this moment, no one is operating these firearms—their trigger guards, safety buttons, and even the front sight base are trembling slightly, as if manipulated by an invisible hand. This is a remote connection established by Wang Zhengyang using his mechanical affinity; he has transformed these firearms into "supernatural machines" for honing multi-target control abilities.

"start."

With a thought, the leftmost rifle fired first—of course, there was no live ammunition in the chamber, but the mechanical action of the firing pin striking the primer was perfectly real. In the instant the muzzle jumped slightly upwards, Wang Zhengyang maneuvered the right-hand rifle to complete the aiming correction and then fired. Then came the middle one.

Three rifles "fired" in quick succession at 0.5-second intervals, resulting in three almost overlapping virtual bullet holes appearing on the bullseye.

"Synchronization rate 89%, aiming correction delay 0.07 seconds." Wang Zhengyang assessed the data. "It can control three guns simultaneously to complete the basic firing process, but there is still room for improvement in accuracy and reaction speed. If we can achieve five guns and compress the correction delay to within 0.03 seconds, we can form a suppressive crossfire network in actual combat."