Cass joins the case. Termination requires three lawful witnesses. The Last Signatory directly notices Mara.
The payphones in the Civic Service Arcade rang before Mara reached them.
All twelve at once. Tinny bells battered the tiled concourse, bouncing off shuttered snack kiosks and old city-service windows painted with arrows to departments that had not existed for twenty years. Mara's breath came white. The injunction had left her cold from wrist to elbow, and every step sent a glassy ache through her fingers. Nora walked at her left with the access drive hidden in her boot. The witness list rode inside Mara's folder like a live coal made of paper.
At the far end of the arcade, a man in a yellow process-server jacket stood on a bench and swung a crowbar at a vending machine.
The machine spat black envelopes at him.
"Cass Iven?" Mara called.
He ducked one envelope, caught another between two fingers, and looked her over. "Depends who is asking and whether they brought a fee."
"Mara Venn. I need service on an impossible recipient."
Cass hopped down. He was lean, sleepless, and too calm for a man being attacked by municipal equipment. His eyes were gray until he glanced at Mara's folder; then they flashed ledger-green.
"You smell like forged surety," he said. "And Seal Court frost. Bad afternoon."
Nora muttered, "Does everyone underground lead with insults?"
"Only the polite ones."
Mara pulled the witness list halfway from the folder. The red version of her signature crawled when exposed to the arcade lights. The payphones rang louder.
Cass stopped smiling.
"Put that away unless you want the phones to start answering."
"I need to serve notice on whoever accepted a dead witness signature."
"That is not a recipient. That is a hunger with stationery."
"Can you find it?"
Cass looked at the ringing phones. "Finding is easy. Surviving the address is expensive."
Mara's right hand still had enough warmth to open her bag. She took out the silver pen from Elias's briefcase and offered it across. "Principal's pen. Touched the original surety packet."
Cass did not take it. "A keepsake won't cover a death route."
"It is not a keepsake. It is contaminated evidence."
That got his attention. He wrapped a handkerchief around the pen before accepting it. The metal immediately sweated black ink through the cloth.
"You have a filed notice?" he asked.
"Served on Elias before noon."
"Injunction?"
"Paused surety clause. First seal cracked."
Cass whistled once, low. "You are either very good or very recently doomed."
"Both can be true. What is your fee?"
He pointed to the witness list. "Truth. How many witnesses does termination demand?"
Mara unfolded the top corner again. The blank line under Nora's name filled with tiny print as if annoyed by the question.
Three lawful witnesses owed before termination may be entered.
Nora read it and went pale. "Lio, me, and who?"
Cass's ledger-green eyes met Mara's.
"Not me for free," he said.
The nearest payphone stopped ringing. Its receiver lifted by itself, cord stretching like a black vein.
Mara did not move. "Cass, if that is the recipient, serve it."
"That is not service distance."
"Then what is it?"
The receiver swung toward her.
A voice came through without static. It sounded as if a contract were being read at the bottom of an ocean.
"Mara Venn. Injured surety. Premature filer. Warmth debtor. You have interfered with a valid apocalypse contract."
Nora grabbed Mara's sleeve. "Do not answer."
Mara stepped closer to the phone. The tile under her shoes frosted in square patterns like filed exhibits.
"Identify yourself for the record."
Cass made a strangled noise. "Do not ask old things to caption themselves unless you brought a bigger court."
The voice laughed, and three kiosk shutters slammed open. Behind each, darkness waited with red wax seals floating inside.
"I am the Last Signatory."
Mara's cold hand throbbed so violently she almost dropped the folder. The name was not a name in the human sense. It was a title, a capacity, an office that had survived by making other people sign first.
"Good," she said. "Then you can receive notice."
She snatched the black-bordered copy from her folder and slapped it against the payphone casing.
The casing smoked. The receiver shrieked. Cass moved at last, flinging the silver pen like a dart through the loop of the phone cord. It pinned the cord to the wall, and the notice seal flashed around it, trapping the voice for half a breath.
"Read the service line!" Cass shouted.
Mara read fast. "Notice of contested forged surety, pre-closing, served upon entity accepting dead witness signature and benefiting from Apocalypse Contract No. AQ-7771."
The arcade lights exploded one by one down the concourse.
The Last Signatory spoke through every dead bulb. "Counter-notice."
Paper began printing from the payphone coin return, a long strip of gray receipt stock covered in red clauses. Nora caught the end before it hit a puddle.
Cass grabbed Mara by the shoulder and hauled her back as the payphone folded inward, becoming a narrow black door for one impossible second.
"Service landed," he said. "So did theirs."
Mara took the gray strip from Nora. Her fingers had gone numb enough that the paper felt almost warm.
COUNTER-NOTICE OF BREACH. Mara Venn, by interference with execution, has triggered acceleration unless she produces three witnesses, true breach tender, and termination filing before final seal.
Nora whispered, "Mara."
Mara looked at Cass. He looked back, no longer joking.
"You wanted my fee," he said. "Put me on the line as third witness, and I get a say in how we run."
Behind them, the black envelopes from the vending machine tore themselves open. Each contained the same address: Terminal Seal Hall.
Mara folded the counter-notice once.
"We are not running," she said. "We are serving everyone in order."
At the end of the arcade, something began unlocking doors that had no handles.