On the third day north of the mudflats, they found ruins they hadn't planned for.
Not a waypoint. Not marked in any archive. Just there — stone structures half-buried by centuries of overgrowth, emerging from a hillside above the river that the Pale River eventually became in its northern reaches.
He would have passed them without stopping.
Except the Tiger stopped.
It stood on the hillside below the ruins and looked up. Its ears were forward. Not aggressive — attentive.
He stopped. Looked at the ruins. Extended the Pale Flame sense.
The qi inside those stones was different from the waypoints. Not Broken Dawn's angular geometry. Something else. Older. Not cultivation qi — something that predated cultivation.
"What is that?" Li Qing said, beside him.
"I don't know," he said.
"That's usually when things get dangerous."
"Yes."
He looked at the Tiger. The Tiger looked at the ruins.
"Five minutes," he said.
He climbed to the ruins. Pressed his palm to the nearest stone wall.
The Pale Flame sense plunged into the structure and brought back something unexpected.
A presence. Not a person. Not an artifact. The residue of someone's cultivation that had been so sustained, so deep, that it had soaked into the stone permanently. Like a teacher's handprint that never faded.
And in that residue, information. Not organized for transfer like Broken Dawn's waypoints. Just present — the way a scholar's thinking fills a room they spent years in.
He stood at the wall for a full minute, letting the sense absorb what it could.
The residue was from someone at Soul Ascension Realm. A practitioner who had spent decades at this site. Not training. Thinking. The residue held the quality of very sustained, very patient questioning.
And buried in the quality of the questions — familiar. Not the same questions he asked. But the same mode. The same honest, stubborn refusal to stop until an answer appeared.
Someone had sat in these ruins and been, fundamentally, like him.
He pulled the sense back.
Cai Rong was at the base of the hillside watching him with patient attention. Zhou Jin had moved to the ruin's east side, scanning the perimeter. Li Qing had climbed to the wall opposite and was pressing her own hand to the stone.
She opened her eyes.
"This isn't Broken Dawn," she said.
"No."
"Then who?"
He thought about the name River Stone.
He had found her records at Clear Sky Hall. At the plateau. She had survived. Forty more years at Soul Ascension.
"I think," he said carefully, "that River Stone came north." He looked at the ruins. "And stayed here for some of those forty years."
Li Qing looked at the stone under her hand.
"She was asking questions here," she said.
"Yes."
"The same questions you're going to ask."
"Probably different phrasing. Same underlying direction." He stepped back from the wall. "She figured something out here. Something important."
"What?"
"I can't read the conclusion from the residue. Only the process." He paused. "But the process is useful."
He pulled a small cloth from his pack and pressed it flat against the wall. Let the Pale Flame run an imprinting sequence — something he had developed on the road, a way of capturing residue signatures for later analysis.
Three minutes.
The cloth was warm when he lifted it. Not readable directly. But he had it.
"We keep moving," he said.
They descended. The Tiger moved first — it had been patient, and now it moved north again with purpose.
They followed.
At the fourth hour after the ruins, Ling Tao said: "The edge of Iron Claw Alliance territory is two miles east. We're past their northern boundary now."
Wen Dao nodded.
"What's north of Iron Claw territory?" Cai Rong asked.
"No one permanent," Ling Tao said. "Some independent cultivator groups. Seasonal hunters. The northern watershed beyond the hills is considered empty."
"Empty usually means no one permanent who would say otherwise," Li Qing said.
"True," Ling Tao said, with an expression that acknowledged he hadn't thought of it that way.
Wen Dao looked at the hills ahead. The dark line of the northern range was closer now. Two days. Maybe one and a half at this pace.
The tower site beyond it.
And the entity's active cycle restarting in approximately fifteen days.
He kept walking.
At the rearward edge of his Pale Flame sense, Wei Dao's signature had moved off the mudflats and was moving north again. Still four hours back.
Still coming.
Four hours felt significant. It would feel less significant each day.
He was running against two clocks.
He chose to focus on the road ahead rather than the pursuit behind.
The question at the end of it was worth getting to.
Everything else was noise.