Last Healer Standing

Chapter 88: Im Byeongsoo

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Dr. Shin's message arrived through the evaluation wing's inter-departmental system at 0700 on day sixty-seven.

No text. An attached file: a PDF, eight pages, the Class Evolution Studies Unit's research letterhead at the top. The subject line of the message: *Supplementary Documentation — Independent Research File SE-0031.*

Sora read the PDF on the evaluation wing's patient terminal. The file was structured as a research ethics disclosure—the formal document type that researchers submitted when they had obtained data through methods that required retroactive review. The format typically implied that the researcher was getting ahead of an institutional challenge by documenting the circumstances of data collection before anyone asked.

Page one: summary of the independent investigation into access pattern anomalies in the medical division's specimen handling records. Six months of observation. Methodology: monitoring the laboratory access log metadata through the Class Evolution Studies Unit's authorized research protocol, which included read access to facility usage statistics for research planning purposes.

Pages two through five: the access pattern data. The same information Eunji had built independently, arrived at from the Class Evolution Studies Unit's different access angle. Cycle-by-cycle collection windows. Authorization code activation timestamps. Staffing correlation analysis. The contamination threshold modification date.

Page six: personnel correlation.

*The authorization code associated with the anomalous access pattern is assigned to the Medical Division position: Bioarchitectural Systems Maintenance Specialist, Level 2. Current occupant of this position, per medical division staff directory accessed 2026-03-15: Im Byeongsoo, Senior Medical Technician, credentialed since 2018.*

*Im Byeongsoo's institutional access authorizations include: sub-level facility management systems, specimen containment equipment calibration, cultivation chamber maintenance, mana feed infrastructure servicing. These authorizations align precisely with the physical requirements of the access pattern observed.*

The name.

Pages seven through eight: Dr. Shin's research ethics disclosure framework. The methodology she'd used to obtain the name, the access routes, the documentation of authorization scope. The disclosure structured to establish that she had acted within the limits of legitimate research access throughout the investigation—and to establish that she was voluntarily providing the documentation to the Association's internal affairs division rather than withholding it.

The last line of page eight: *The author submits this documentation in the public interest, independent of any research arrangement, in accordance with the Association's mandatory disclosure requirements for findings that may indicate illegal use of institutional facilities.*

The research agreement she hadn't gotten was irrelevant. The four months of independent documentation was being submitted to internal affairs anyway.

Sora read the eight pages twice. Then she closed the file and sat at the patient terminal with her hands in her lap and thought about what Dr. Shin had said at the end of the meeting: *The study can be structured without your formal participation.*

The clinical vocabulary didn't have a word for the specific operational state of being wrong about someone while also being technically correct about the thing you'd told them. But the outcome was this: Dr. Shin had done the right thing. Not because Sora had told her it was the right thing—or not only because of that. Because she'd built four months of documentation and the path to its most useful application had always been disclosure, and the research agreement had been a negotiating position rather than the actual goal.

The clinical assessment revised. The meeting on day sixty-three: not a breakdown in alliance negotiations. A negotiation that had concluded in the manner the other party had always intended, through a route Sora hadn't anticipated.

The outcome was identical. The cost was different.

---

Eunji arrived at 0900. Sora forwarded the PDF to her institutional research partition before Eunji sat down.

The researcher read the executive summary on her phone while walking to the conference table. Sat. Continued reading.

"Im Byeongsoo," Eunji said. The voice calibrated. "I know the name. He's on the medical division's equipment service roster. Standard personnel—he services the mana-conductive equipment in the evaluation wing's patient rooms. He's been in this building multiple times."

The evaluation wing. The same building where Sora had been confined for sixty-seven days. Where the monitoring band's sensors had been calibrated. Where the mana-conductive bed's infrastructure connected to the building's grid that had conducted Sora's amplified mana surge into the sublevel's contamination response system.

"He services the monitoring equipment," Sora said.

Eunji's glasses up. Both hands. "The monitoring band's calibration is managed by the bioarchitectural systems maintenance division. Im Byeongsoo's role includes calibration and maintenance of monitoring devices in the evaluation wing's assessment protocol." She put the phone down. "He's maintained the equipment that's been measuring your mana output for sixty-seven days."

The monitoring band. The device whose threshold settings determined whether Sora's mana output triggered alerts, compliance violations, committee reviews, or automated purge systems. The device whose thirty-second and then fifteen-second sampling intervals had framed every decision the investigation had made about what was detectable and what could be concealed.

The calibration parameters were set by the maintenance technician.

"The monitoring band's detection sensitivity," Sora said.

"The monitoring band's threshold can be calibrated within a range—the standard clinical parameters versus the enhanced monitoring protocols the committee ordered. The band's sensitivity in the standard range would be set by the maintenance technician." Eunji's voice very careful. "If the sensitivity was calibrated to under-detect at certain frequency ranges while over-detecting at others—"

"The rotational component."

Eunji's pen stopped.

The day forty-six incident. The surge that had triggered the first committee intervention. The monitoring band spiking to levels that required institutional response. And Dr. Park's observation, during the supplementary assessment: *the day fifty-two event's waveform data contains a rotational component that wasn't present in the day forty-six event.*

The day forty-six event had produced a standard linear surge. The day fifty-two event had produced the rotational component that the forward healing discovery had introduced. Two different energy signatures. Two different committee responses.

The committee had responded to the day forty-six event with observation and enhanced monitoring. The committee had responded to the day fifty-two event with additional conditions—sixty-second notification requirement, weekly psychological evaluation—but had voted three-to-two against containment transfer. Dr. Park's argument about the rotational component as a novel finding had tilted that vote.

"If the monitoring band was calibrated to maximize sensitivity to standard linear output and minimize sensitivity to rotational signatures," Sora said slowly, "the day forty-six event triggered the committee response because the linear surge produced the monitored output spike. But the day fifty-two surge—which was larger in absolute magnitude—produced the rotational signature that the band registered differently."

"The band might have under-detected the rotational component," Eunji said. "The forty-seven percent of peak amplitude that the band recorded for the day fifty-two event—if the rotational energy was being under-detected, the actual magnitude could have been higher."

"And if Im Byeongsoo calibrated the band to miss the rotational frequencies, the committee was making decisions based on incomplete mana data."

The committee had three-to-two voted against containment transfer. If the monitoring band had accurately reported the day fifty-two surge's full magnitude, the vote might have been different. The clinical data that Dr. Park used to argue for continued evaluation rather than containment was filtered through calibration parameters set by the operative's research program.

"He's been managing the data the committee uses to assess you," Eunji said.

"Not just assessing me. Managing the conditions of my assessment." Sora's voice level. The clinical analysis voice. "The monitoring band's sensitivity determines what the committee sees. The committee's decisions determine my institutional status. My institutional status determines how much operational freedom I have and how close I can get to discovering the research program."

"The calibration is a control variable," Eunji said. The researcher's vocabulary for a systematic bias introduced into an experiment's measurement apparatus. "He's been running you as a controlled experiment. The monitoring band isn't observing you—it's constraining the data so that the committee's decisions move in the direction his research program needs."

The monitoring band on Sora's wrist. The fifteen-second tick. The institutional measurement that had determined the parameters of sixty-seven days of confinement. Every compliance verification, every alert threshold, every committee deliberation—mediated through calibration parameters set by the operative whose research program needed Sora contained and developing her hexagonal architecture under conditions where the institutional machinery wouldn't move fast enough to intervene.

The confinement wasn't a consequence of the committee's legitimate concern about her mana stability.

It was a designed environment.

"The healer on sublevel two," Sora said. "The second signature. We know it's a healer-class individual whose biological-interaction frequencies indicate active work with specimens. Im Byeongsoo is a technician, not a healer. The research program has two participants: the operative who manages the institutional machinery, and the healer who manages the biological specimens."

"Dr. Shin's documentation only identifies Im Byeongsoo," Eunji said.

"The healer is the research program's scientific lead. Im Byeongsoo manages access, equipment, and institutional interference. The healer does the actual research." Sora's hands on the conference table. The left wrist healed, unmarked. "The research program's goal requires biological expertise—understanding how to cultivate asymmetric hexagonal architecture in tissue specimens, how to maintain the directional sensitivity in a controlled sample, how to study the configuration's functional properties. That's healer-class work. Im Byeongsoo's role is maintenance and obstruction."

"We need the healer's identity."

"We need to know what they're building." Sora's voice shifting. Lower. The frequency that personal stakes occupied when the clinical vocabulary couldn't contain the urgency. "The research program has been running for at least six months. The cultivation specimens, the collection cycles, the asymmetric architecture samples—they're building something. The directional sensitivity isn't the end product. It's a component."

"A lock-pick for the System," Eunji said. The theory she'd offered on day fifty-nine. "A directionally sensitive architecture that could interface with the System's mana processes directly."

"Someone with that architecture and enough knowledge of how to use it could modify the System. Not just interact with it—modify it." Sora paused. "The healer class was nerfed because someone decided healers shouldn't be able to do that. The research program is trying to develop the capability anyway."

"The Architect."

"Or someone working for the same goal. The Architect's network has been active for decades. Im Byeongsoo is embedded in the Association's medical division. The research program has institutional resources." Sora ran her tongue across the palatal tissue. The healed patch. Intact. "The operative isn't independent. They're part of something larger."

Eunji wrote. The blue ink. The legal pad's dense notation.

"I'll submit Dr. Shin's documentation to the internal affairs division through my research account's formal disclosure channel," she said. "The submission creates an investigation record that the operative's institutional allies can't easily suppress—once internal affairs receives a formal disclosure, the case number is public record."

"How long for internal affairs to act on it."

"Fourteen working days for standard case processing. The submission creates the record. The investigation timeline is slower."

Fourteen working days. Three weeks. The collection window's second week already in progress. The operative's research program disrupted at its priority specimens but not stopped.

"Submit it today," Sora said.

"I'll submit it as soon as I leave." Eunji closed the legal pad. Stood. "And Sora—" she paused. The tone that preceded personal content. "My brother. He went to the private clinic this morning. The appointment was routine, the sample routing was external to the Association's system. He's safe."

Sora nodded.

"Thank you for not telling me not to do it," Eunji said.

"You'd already done it before anyone could tell you not to."

"Yes." Eunji picked up the spiral notebook. "That was the point."

The door closed. The monitoring band sampled. 0.08.

Im Byeongsoo. Sublevel two. The evaluation wing's equipment roster. Sixty-seven days of carefully managed measurement parameters.

The name was a beginning. Not an ending.

The healer on sublevel two was still in the dark.