Chapter 301: The Personality Matrix (Patreon)

Layer upon layer of ring-shaped instruments spun at near light-speed, their motion precise to the femtosecond, concentric halos of cold radiance enclosing the figure at their very center. Each ring operated at a different function and frequency, dissecting reality itself into quantifiable strata. Heatdeath stood there as if laid bare upon an autopsy slab, every aspect of its existence reduced to streams of data, formulas, and probability trees that unfolded and recombined endlessly before Qin Mo’s eyes.

By this point, Qin Mo no longer needed physical instruments to conduct his research. His perception alone was enough and he could calculate and simulate most phenomena directly through his own mind.

Yet he liked using them.

There was a certain satisfaction in employing tools one had personally designed and perfected. To ignore them felt… incomplete.

After parsing only a fraction of the collected data, Qin Mo found himself even more pleased with Heatdeath than before.

The Iron Men he had constructed before were, in name, Iron Men, but they lacked true self-awareness. To act, they required constant oversight from a master control intelligence. That, in turn, demanded auxiliary units dedicated solely to maintaining data transmission bandwidth between the Iron Men and the master intelligence.

The principle was identical to that of Tyranid synapse creatures.

If the Tyranids, or any other sufficiently perceptive enemy, engaged the Iron Men for long enough, they would inevitably identify this weakness. They would decapitate the auxiliary units first. Once severed from the central intelligence, the Iron Men would lose the ability to act as a cohesive force.

Even Tyranid bioforms, when cut off from synapse, could still act on instinct, clumsy, feral, but mobile.
An Iron Man that lost its auxiliary unit, however, became nothing more than battlefield debris.

A sentient Iron Man like Heatdeath was something else entirely.

It possessed self-awareness rather than merely simulated behavioral loops, autonomous decision-making unbound by constant external correction. It could maneuver independently. It understood decapitation strikes as both a concept and a tactic. And when the units responsible for bandwidth transmission were destroyed, it could still assume command, directing its mindless Iron Man counterparts and sustaining coherent operations through localized, adaptive command structures.

Heatdeath was, in effect, a tyrant organism among Iron Men.

“Why am I different from the others?” Heatdeath asked, its voice synthesized but unmistakably curious.

“Because you possess a Personality Matrix,” Qin Mo replied, ending his analysis. He retrieved a perfectly square, palm-sized object and handed it over.

Heatdeath examined it closely. The matrix was pitch black, its internal structure impossibly intricate. On a purely scientific level, it could not be manufactured.

Much like the master control intelligences themselves, it was a product born of laws warped and rewritten by the power of the C’tan, a violation made permanent, a thing that existed because reality had been forced to permit it.

Among all Iron Men Heatdeath had encountered, only its own body contained such an object.

“The mothership’s intelligence says my self-awareness is just a bug,” Heatdeath said, returning the matrix to Qin Mo.

“Protocol One-Two-Seven,” Qin Mo replied calmly, catching the matrix and holding it up to the light. “All master intelligences are required to maintain secrecy regarding undisclosed developments. It is precisely because of this matrix that you possess self-awareness. One might say you were granted something akin to a soul…”

He paused, then gave a faint smile.

“Though, considering that in this universe souls are tied to the Warp, that’s not a strictly accurate metaphor. You understand what I mean.”

Heatdeath nodded, its gaze lingering on the üersonality matrix.

Knowing that its consciousness had been bestowed rather than spontaneously born did not trouble it. In Heatdeath’s view, carbon-based lifeforms were no different, granted souls by forces beyond their comprehension. Whether divine, Warp-born, or accidental mattered little. Iron Men simply followed a different path.

“Actually,” Qin Mo said suddenly, “granting you self-awareness isn’t the matrix’s greatest function.”

Heatdeath turned, curiosity evident even in the cold glow of its optics.

“I’ve long been curious about how Nulls, soulless beings come into existence,” Qin Mo continued. “I’ve attempted to clone them countless times, but failed every time. The results were nothing but hollow shells, puppets without true consciousness, and more importantly, without the anti-psychic properties that define a true Pariah. Powerful Pariahs are like black holes to the Warp. They drain psychic energy simply by existing. Their essence is… unique. So I attempted to replicate that essence. Perfectly. One-to-one. From personality to anti-psyker capability.”

Only then did Heatdeath realize the truth.

Its personality was never the goal, merely a byproduct of an early iteration of the Personality Matrix. Qin Mo’s true objective was to recreate Pariahs themselves.

An Iron Man version of Yoan.

This was a one-to-one replication. Pariahs possessed personalities, after all, so the matrix naturally included the function of imprinting one. But that was never the endgame.

“Yet the Personality Matrix still hasn’t granted me Pariah-level anti-psychic abilities,” Heatdeath said thoughtfully. “How closely is self-awareness really tied to those talents?”

Perhaps Pariahs could only arise through direct interference. Perhaps cloning and replication alone would never be enough. Perhaps some flaws in reality could only be inherited, not engineered.

“I’m certain that everything I’ve done is necessary,” Qin Mo said, shaking his head. “Otherwise, I wouldn’t have created the Personality Matrix at all. Be patient. One day, you’ll receive an upgrade.”

His eyes hardened slightly.

“When that day comes, Tyranid Neurothropes won’t be able to casually consign you to the recycling furnaces anymore.”

Heatdeath felt genuine anticipation. Psychic powers were its greatest fear.

Those bloated Tyranids looked fragile, nothing like the armored war-beasts bristling with bio-weapons. If they lacked psychic might, killing them would be no more difficult than crushing an insect.

But they did possess psychic power.

During the wars of the Infernis Star System, Heatdeath had learned this lesson repeatedly. No matter how it optimized its combat warform or refined its tactics, Neurothropes sent it back for reforging with humiliating ease.

Its average survival time against them was less than three seconds.

If it could possess Pariah-like abilities, if its mere existence could induce dread and discomfort in Warp-based entities, then psychic organisms like Neurothropes would no longer be insurmountable threats.

“I originally didn’t plan to tell you that your self-awareness is only a side effect of the Personality Matrix,” Qin Mo admitted, watching Heatdeath closely. “But it’s better to be clear, rather than letting you fill in the blanks yourself someday.”

Heatdeath showed no distress. Instead, a smiling face was projected from its optical array.

“I have self-awareness,” it said simply. “Whether it’s a byproduct or the main function doesn’t matter. I have it. That’s enough.”

“Excellent,” Qin Mo replied, more satisfied than ever.

The personalities generated by the Personality Matrix were random. Qin Mo hadn’t yet advanced to custom-designed personas. His contingency plan for an emergent destructive personality was crude but effective, a hard-coded annihilation command, a hidden backdoor to annihilate the matrix outright.

Heatdeath’s random result was, evidently, a favorable one.

“I have a task for you,” Qin Mo said, uploading a star chart marked with specific coordinates.

Heatdeath processed the data. At the marked location drifted a Blackstone Fortress.

The construct existed within its databanks. Though it had never seen one, Heatdeath understood exactly what it was, and why its existence unsettled even ancient powers.

Qin Mo had received the information from Klein just one day earlier. The fortress had appeared suddenly in the eastern reaches of the galaxy.

It was unclear whether it was the Eternal Will, the Blackstone Fortress damaged but not fully destroyed during the Cadian War. What was known was that the structure appeared to be without a controller. Explorators and other reckless intruders reported the presence of Genestealers, ancient mechanical sentinels, and other remnants of forgotten wars within its corridors.

“I need you to investigate it,” Qin Mo ordered. “If it can be controlled, bring it back to me.”

“Yes,” Heatdeath replied, elevating the mission to top priority.

For an Iron Man, a top-priority directive meant more than urgency, it meant completion at any cost.

Qin Mo personally saw Heatdeath off. Once it had departed, he returned to his laboratory and resumed his research.

This time, his focus lay on a far more dangerous endeavor:

The unification of fragmented C’tan shards into a single, coherent whole.