During the retest, Kellan exposes a proxy student feeding Damian stored solution credit through a shared quill.
The retest slate gave Kellan eighty heartbeats to solve the bridge-ward proof, and Damian's observer margin brightened every time a thin boy three rows behind him dipped a white quill into Veyr-blue ink. The Mirror Amphitheater caught the motion in a thousand panes. Nobody else cared. A funded student adjusting a quill was furniture to Asterfall Academy.
Kellan cared because the Black Ledger had written the quill's price beside his own answer.
PROXY COLLATERAL: SHARED CASTING TOOL.
The words swam when his wrist seal tightened. He had pledged library access for this retest. If he lost that, the appeal died with his last unlocked door.
"Mr. Vale," Professor Crowe said from the lectern, "the slate is waiting for mathematics, not theater."
"Then please ask the observer field why it is answering before I do."
The front row snapped toward Damian. Damian did not move quickly enough to look innocent. His projected margin climbed from ninety-eight to ninety-nine while the proxy student's quill scratched a formula Kellan had not reached yet.
Dean Marrow's canopy of mirror glass darkened. "A desperate debtor sees assistance in shadows."
Kellan set chalk to slate and wrote the first turn of the proof wrong on purpose. The bridge equation listed weight as evenly distributed. Damian's margin answered with the correct Veyr version anyway, a polished six-turn solution blooming beside his name before Kellan corrected his own line.
The amphitheater went very quiet.
Crowe leaned forward. "Mr. Orr."
Jasper Orr stepped from the rank-board alcove with his stylus clutched in both hands. "Observer field recorded response before candidate completion."
"Impossible," Damian said.
Kellan wiped the false line away. "Not impossible. Expensive."
He pressed the Foundation receipt against the Black Ledger and let the pain climb his fingers. The page opened a narrow audit column, not enough to expose the whole fraud, only enough to price the quill. A thread of blue light stretched from the proxy student's desk to Damian's margin seal. It ran through the shared ink, through a small Veyr crest on the quill cap, and into the rank projection above the slate.
"Name the tool," Crowe said.
"Shared casting quill," Kellan said. "Third-party collateral hidden inside observer margin."
The proxy student dropped the quill as if it had bitten him. Ink spilled across his desk in a bright blue fan.
Damian rose. "That student is in my house study circle. Loaning stationery is not fraud."
"Loaning stationery is not," Kellan said. "Loaning a finished answer is."
Marrow's rod struck the canopy frame. "Mr. Vale, you are not licensed to perform live audit."
"Then freeze the answer and prove me wrong after the retest."
That was the first true gamble. If Marrow refused, the mirrors had already caught the answer blooming before Kellan finished. If he agreed, Damian's margin would sit under public review. Kellan's stomach cramped hard enough to blur the slate. He had spent the morning hungry, the afternoon frightened, and the last minute burning a spell he barely understood in front of the man who wanted him erased.
Jasper's stylus hovered. "Dean?"
Damian's polished answer flickered. The quill thread still fed it, but the Black Ledger had named the channel. The rank board disliked named fraud. It could tolerate cruelty, debt, and humiliation all day. It did not tolerate unresolved arithmetic in public.
Marrow's mouth barely moved. "Freeze observer answer pending tool review."
Damian's perfect score locked under a gray bar.
Kellan felt the amphitheater shift. Not toward him. Not yet. Toward the visible fact that Damian Veyr's certainty could be interrupted.
"Now solve," Crowe said.
Kellan looked back at the bridge ward. His answer did not need to be stronger than Damian's. It needed to pay its own cost. He wrote the load distribution, marked the missing aether draw, and reconciled each turn against his library pledge instead of pretending the power came free. His chalk line shook. Twice he had to stop while blood ran from his nose onto his sleeve. The slate accepted the ugly work because every ugly part had a price beside it.
When the final line closed, the public score bar climbed to seventy-one.
Barely enough. Lawfully enough.
The red expulsion stripe across his name cracked down the center but did not vanish. Beside it, Jasper's board posted a new mark: RETEST PASSED - OBSERVER ANSWER UNDER AUDIT.
Mira exhaled somewhere behind the scholarship benches. Kellan did not turn. If he turned, his knees might follow.
Damian looked at the proxy student, and the boy flinched before Damian spoke. That small fear told the room more than a confession.
Dean Marrow stood.
"Since Mr. Vale has chosen forbidden audit conduct during a live examination," Marrow said, "the academy will not finalize expulsion today."
Kellan's relief lasted one breath.
Marrow continued, "It will convene a conduct docket."
The Black Ledger closed under Kellan's palm, warm and hungry.