The guard outside the holding pen had been on duty since midday.
He moved aside before Batu reached the outer fence. The man had seen him coming and decided early. That meant he'd been watching the road instead of drifting through the end of his shift.
Inside, the lamp burned low, just as before. Enough light to see faces. Not enough to waste oil.
Temur was awake.
He sat against the wall with his eyes already on the entrance. No surprise. No confusion from interrupted sleep. He had the stillness of a man who'd spent days preparing for a single conversation and had finally run out of things to rehearse.
Batu studied him for a moment.
Several days earlier, he had given Temur one instruction.
Remember exactly what the rider said. Not the meaning. The words.
Temur had taken the task seriously.
Batu lowered himself onto the stool.
The lamp cast the same shadows across the walls as during the last visit. The room hadn't changed. Temur barely had either.
Temur watched him across the narrow space and waited.
Batu said nothing.
If the memory had been arranged properly, Temur would begin on his own.
A moment passed.
"He said the two men had made payments that weren't recorded in the council ledgers."
The words came evenly, without hesitation. He had repeated the phrasing too many times in his head for it to come out rough now.
"He used those words exactly. Payments that weren't recorded."
Temur frowned faintly as he searched through the memory.
"He said it like he was reading from a document. Like he'd seen the entries himself."
Batu considered that.
Administrative language. Recorded payments. Ledger terminology.
Rumors about debt moved easily through camp. Any officer could become the subject of gossip. But this wasn't the language of gossip. It came from someone who understood how the records worked.
Either the rider had seen the ledgers himself, or someone close to them had done it for him.
"The names."
"Chanar and Beke."
Temur gave them without visible strain.
Whatever fear or calculation had once come with speaking them had already passed before Batu arrived. He'd spent days preparing himself to say them.
"Those were the names he used."
Chanar.
Batu placed the name immediately inside the structure he'd been tracing since arriving in camp.
Supply council officer. Assigned to the western administrative ledger before the Sarat campaign. Before Batu himself had arrived.
Fodder allocation for the northern pasture sections.
The supply tallies crossed Chanar's desk before moving upward to Orel's review. Movement schedules, distribution timing, resupply chains. All of it passed through his hands.
A man who understood those records could build a practical map of the army. Unit locations. Operational limits. Which tumens could move quickly and which would stall without fodder support.
Not military command information exactly.
Something worse.
Operational structure.
Beke took longer to place.
Junior officer. Outer administrative ring. One of the men responsible for processing grazing disputes and boundary complaints through Orel's office.
Batu had seen him during council meetings after the column returned from campaign. Quiet man. Sat with the lesser officers. Never spoke loudly enough to stand out.
Probably by design.
The complaints passing through Beke's desk formed a different kind of map. Territorial lines. Clan friction. Disputed pasture rights. Which headmen resisted their neighbors and which were already under pressure.
The sort of information that showed where loyalties would weaken first.
Two men in separate positions inside the same administrative system.
One reading military logistics.
One reading territorial politics.
The network stretching across the western steppe hadn't stopped with riders and relay posts. It had spread into the camp's administrative structure itself. The men involved probably didn't even understand the full shape of what they were helping build.
"When he named them," Batu said, "what did he say after that?"
Temur took a moment before answering.
The instruction mattered to him. Exact words. Exact order.
"He said it was enough. That I should understand the quality of what he was working with."
Temur paused again.
"He said anyone who understood administrative structure could read this camp through its own paper."
Batu took that in carefully.
The rider hadn't spoken like a man making threats.
He'd spoken like a man proving capability.
That mattered.
A man trying to frighten someone talked about what he might do.
A man demonstrating power talked about what had already been done.
Which meant Guyuk's network had been reading the camp through its own records long before Batu arrived and handed them more valuable information to gather.
"The rider," Temur said quietly.
The question came out flat. Not urgent anymore. Just worn thin by months of carrying it alone.
He wanted to know who the rider truly served.
The answer would not help him.
Batu rose from the stool.
"Rest."
Then he left.
He walked back through the camp in the early evening.
The horse lines were finishing their final allocation for the day. Handlers moved through the familiar sequence with practiced rhythm, voices carrying through the cooling air.
Cook fires rose across the central ground. Batu smelled the smoke before he reached the supply stacks.
He kept walking and let the structure settle in his mind.
Chanar in the supply council, reading fodder allocations and movement schedules.
Beke in the outer administrative offices, reading territorial complaints and grazing records.
The Hasal family at the upper crossing, watching every column that passed the road in either direction.
The grain merchant in Kerait, funneling silver through a supply rider and into the chain that eventually reached Batu's own tent.
Mersek feeding movement reports and supply intelligence under the excuse of clan survival.
Borte-Qol turned eastward, sending measured silence through Arslan.
The network had existed before Batu entered the camp.
His arrival had only increased its value.
Every part of the structure gathered information through ordinary administrative work. Then the pieces moved east to someone assembling them into a complete picture.
A single line of communication would have been vulnerable.
Guyuk had built something broader than that.
The network fed on routine function. Supply reports. Boundary disputes. Allocation records. Documents nobody questioned because paperwork never stopped moving through camp.
And every reform Batu introduced created more paper.
Watch rotation changes.
New scouting protocols.
The wolf's track seal.
All of it passed through desks occupied by men loyal to someone else.
Chanar and Beke still sat behind those desks.
Neither man knew Temur had been questioned again. Neither knew what Kirsa's outrider had seen leaving the Hasal post at night. Neither knew Batu had finally attached a name to it.
They were still collecting information. Still building whatever reports the network required.
The question was no longer whether they were involved.
The question was how long Batu intended to let them continue.
Khulgen waited outside the command tent when Batu crossed the central ground.
He wore the same tense expression he always carried when he sensed movement beneath the surface but hadn't yet found its shape.
Batu stopped in front of him.
"Two names," he said. "Chanar in the supply council. Beke in the outer administrative ring."
Khulgen listened without interruption.
"Tomorrow morning I want every supply ledger Chanar has submitted since the Sarat campaign. I also want Beke's boundary complaint records from the same period."
Batu paused.
"You'll retrieve them yourself. Nothing goes through Orel."
Khulgen repeated the positions quietly, fixing them in memory.
"Supply council and outer administrative."
"The network reads paper," Batu said. "So we find out what paper they've been reading."
Then he stepped inside the tent.
The purge finally had shape.
Not just suspicion. Positions. Functions. Connections buried inside the administrative hierarchy.
And the administrative layer mattered because it had remained exposed longer than the military one. It reached deeper through the camp and touched more systems.
Closing it properly meant understanding how the positions connected to each other.
Whether Chanar and Beke worked separately, each sending different information east.
Or whether one gathered and arranged what the other produced.
The ledger records would answer that.
And once Batu understood the structure, he could decide where to cut it apart.