The guards stepped back.
Not far — Lorenzo wasn't unguarded, the remaining three had redressed around him immediately, watching Trent with the specific quality of men who had been told to permit something they didn't agree with — but enough. The circle created space that wasn't combat and wasn't safety and was the specific configuration of a situation balanced on a single decision.
Trent had the Apple in his left hand and the deployment mechanism of the Hidden Blade waiting in his right.
From the upper gallery, Federico had already moved.
He dropped from the rail.
The fall was twelve feet to the nave floor, taken with the impact-distribution of someone who had been practicing exactly this kind of descent for two months — knees absorbing, momentum rolling forward, up in a second with the sword already out. He landed on the Perugian mercenary's blind side, which was the side still engaged with the Medici guards' circle, and the engagement ended with the speed that came from a trained man hitting an occupied man from an unexpected angle.
The Perugian went down.
The guards' circle held.
Federico straightened, looked at Trent across forty feet of chaos, blood on his sleeve from somewhere in the drop — not bad, the angle had caught a guard's weapon rather than his body, a shallow cut he'd registered and filed. He looked at the side door.
Trent nodded.
Federico moved.
The side door that Francesco de' Pazzi had taken led to the Piazza del Duomo — which connected to the Via dei Calzaiuoli and then the Piazza della Signoria, which was where the Pazzi family's political assets were, where they would have hoped to announce to the Signoria that the Medici were dead and Florence was free. The geography of the plan had depended on the assassination completing. It had not completed. Francesco de' Pazzi was running with a failed operation and a dead body to his name and nowhere to run to that wasn't already closing around him.
Federico would either catch him or he wouldn't. That was Federico's problem now.
This was Trent's problem:
Lorenzo de' Medici, grieving, wounded, holding his sword in his left hand because his right arm wasn't useful, standing in the wreckage of his brother's murder, surrounded by five hundred terrified witnesses who had not yet finished processing what they had just seen and were therefore still present, still capable of being witnesses to something.
The window would close. People would leave. Chaos would swallow the moment. The Pazzi survivors in the crowd would disperse and the Archbishop would be in his carriage and Rodrigo Borgia would remain insulated behind his layers of deniability and nothing that had happened here would be actionable beyond the physical evidence of dead bodies and a single name screamed in a cathedral.
Lorenzo looked at the Apple.
"What is that," he said.
"Something my father found." Trent kept the explanation short because the explanation was secondary and the window was primary. "It shows truth. It can show everyone in this building what was planned and who planned it."
"That's impossible."
"So was the conspiracy, and here we are."
Lorenzo's expression moved through several things in rapid succession — grief, calculation, fury, the specific look of a man who has accepted that his normal categories for evaluating situations are not currently applicable.
"Then show them," he said.
[ISU INTERFACE — INITIATING MENTAL LOAD: INCREASING NOTE: CONDITIONS ARE NOT OPTIMAL NOTE: OPTIMAL CONDITIONS DO NOT EXIST TODAY NOTE: BEGIN]
Trent closed his left hand around the Apple.
The first thing was the cascade.
Every Apple session in the vault had started with the cascade — the flood of probability and possibility that the artifact produced the moment contact established, the overwhelming rush of everything the Isu technology was capable of offering to a human mind that had not been built to receive it. Leonardo had called it the cost of admission. Mario had called it the reason the thing was dangerous. Trent had learned to call it the first ten seconds and had learned to wait through it without reaching for what it was showing him.
He waited.
The cascade peaked and dropped and underneath it, the control that three sessions of deliberate practice had built began to function.
"Not the possibilities. Not the probabilities. What actually happened. What is actually true. Giovanni's documents, the faces in the ledger, the meetings in the dark rooms, the gold changing hands."
The Apple responded.
The light that came from it was not the lamplight yellow of the vault sessions — it had scale here, the scale of a space that could hold ten thousand people and was currently holding most of them, the dome above amplifying the projection the way it amplified voices. The Apple's light touched the underside of Brunelleschi's impossible dome and spread across it the way dawn light spread, and in the light, the images began.
They were not vague. They were not symbolic. The Apple of Eden did not trade in metaphor.
The first image: Francesco de' Pazzi and Giacomo de' Pazzi, meeting in a room Trent recognized from the financial documents as a Pazzi property in the Oltrarno. The conversation — the Duomo, the date, the elevation as signal. The particular expression on Giacomo's face, which was the expression of a man who had been building this for years and could see the end of the building.
Trent held it.
The second image: Archbishop Salviati receiving a letter in his Pisan residence. The seal on the letter: Rodrigo Borgia's. The contents — clerical authorization, political cover, the promise that Rome would support what Florence did not expect.
Trent held it. The nosebleed started. He registered the warmth on his upper lip and did not move his hand.
Third image: Giovanni Auditore in his study — this room, this desk, this precise posture — decoding the documents that would have been the warning. The date. The names. The methodology. Giovanni's face as the full picture assembled — not fear, exactly, but the specific expression of someone who understands something terrible and is immediately calculating how to stop it.
Then: the arrest. The morning light through the palazzo windows. The guards. Uberto Alberti in the doorway with the expression of a man who had chosen his alliance and was now wearing it in his face.
The sound in the cathedral was not silence — it was the sound of five hundred people not breathing.
Fourth image: The gold. Specific amounts, specific dates, specific hands. Rodrigo Borgia's financial chain through three intermediaries to Giacomo de' Pazzi's account, to the mercenary's advance payment, to the logistical funding that had paid for the months of preparation. Numbers. Dates. The language of evidence that the banker's city of Florence could read better than any other.
[DURATION: 3:40 MENTAL LOAD: CRITICAL NOTE: YOUR BODY IS CURRENTLY BLEEDING FROM TWO PLACES NOTE: YOU HAVE APPROXIMATELY NINETY SECONDS BEFORE STRUCTURAL FAILURE NOTE: CHOOSE WHAT YOU SHOW THEM IN THE NEXT NINETY SECONDS NOTE: CHOOSE WELL]
Final image: Rodrigo Borgia at his desk in Rome. The Apple reached across distance and time and whatever the difference was between fact and the Isu's version of fact, and it showed him. The letter. The authorization. Lo Spagnolo confirmed. The voice the documents had referred to and the city had not yet understood.
The Cardinal of Valencia, funding the murder of Florence's first family, for reasons that had nothing to do with Florence and everything to do with what came after Florence.
The dome held the light for four minutes and twelve seconds.
Then Trent's knees gave.
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