The air hit differently on the other side of the maintenance exit.
Not cleaner. Not fresher. Just — different. The particular quality of air that hadn't been filtered through Bureau rune infrastructure, that didn't carry the faint metallic taste of active monitoring systems and containment protocols running their endless cycles.
Isaac stood in it for exactly one second.
Then kept moving.
Vael at this hour was not asleep but it was quiet — the particular quiet of a city that had learned during the Collapse that darkness meant danger and had never fully unlearned it. Street rune lights ran on their night cycle, casting pale gold across stone roads and closed storefronts. A handful of people moved at a distance — night workers, patrol rotations, people with reasons to be out that weren't anyone else's business.
Nobody looked at them.
Not yet.
Isaac moved them through the outer district at a pace that wasn't running — running drew eyes — but wasn't walking either. Echo matched him without instruction. Wren flickered slightly at the edges in the open air, the transition from enclosed infrastructure to open city disorienting in ways that showed at their margins.
"Steady," Echo said quietly. Not to Isaac.
Wren's edges settled. Slightly.
They made it four blocks before Isaac stopped.
A narrow alley between two buildings that had survived the Collapse and showed it — old stone, older rune carvings worn smooth by decades of weather, the kind of place that existed in every city's bones and that nobody looked at twice.
He turned to face them both.
Echo looked back steadily. Wren looked at the walls — at the old rune carvings — with something that might have been recognition or might have been hunger or might have been both.
"We can't go back," Isaac said.
Echo said nothing. She'd known since the assessment wing.
"The Bureau will have the outer districts flagged within the hour. Every detection rune in Vael will be calibrated to our resonance signatures by morning." He paused. "We need somewhere they can't monitor."
"Where?" Echo asked.
Isaac was quiet for a moment.
The entity stirred. Not pushing — thinking alongside him the way it did when it had stopped pretending they weren't the same thing making the same calculation.
"There's a sector in the outer district," Isaac said. "Old Collapse damage. The Bureau never fully rebuilt the rune infrastructure there — too expensive, too low priority. Monitoring has gaps." He looked at Wren. "You'll be more comfortable there anyway."
Wren's eyes moved from the wall carvings to Isaac's blindfold.
Their mouth moved.
"Others?" they said. One word. Careful. Like they were spending it deliberately.
Isaac looked at them.
"What others?"
Wren's edges flickered. The resonance came through — not words, images assembled from years of absorbed Bureau conversations bleeding through walls. Fragments of overheard briefings. Reported incidents. Classified terminology used in corridors by people who never considered that the infrastructure might be listening back.
Isaac went still.
The entity went still with him.
"You heard them talking," Isaac said slowly. "About other subjects. From the program."
Wren looked at him steadily.
One nod.
Echo's Fragment burns lit quietly across her arms — not alarm, not power. Just attention. The particular glow of someone whose Fragment was processing something significant before their conscious mind had finished catching up.
"How many," Isaac said.
Wren's mouth moved again. The number came out fractured — half resonance, half sound — but the meaning arrived cleanly.
Not three.
Not five.
More than either of them had been told existed.
Isaac stood in the old alley with the worn rune carvings and the pale gold light from the street beyond and held that information for a long moment.
The entity said nothing.
The blade's presence stirred faintly — not summoned, just aware — the whispers of the dead humming at a frequency that had no name.
Echo looked at Isaac.
Isaac looked at nothing in particular.
Then he exhaled once — slow and controlled — and turned toward the deeper dark of the outer district.
"Then we find them first," he said quietly.
He started walking.
Echo and Wren followed.
Behind them the facility's lights burned white against the Vael skyline — every window lit, every system active, the Bureau wide awake and recalibrating and beginning the particular institutional process of deciding what came next.
Somewhere inside it Cael Calder sat at a desk and wrote.
Somewhere inside it Maren Soleis stood at a window and watched the outer district and thought about variables she hadn't accounted for.
And somewhere inside it Director Hael looked at a report that had just crossed his desk — three words, flagged urgent, from the Intelligence division's unnamed council member —
They found Wren.
He read it twice.
Then he picked up his comm.