No one on the lower terrace moved for the space of a held breath.
The silver pulse had vanished. The twitching weapon still hung on the cord above the spill-channel, shuddering in ugly little spasms. The dead invader below had fallen still again. The river moved beside the stones as it always had.
And from somewhere beneath the broken center ring, something had answered.
Not loudly. Not with force.
A single knock. Deep. Deliberate. Real enough that every person on the terrace felt it first in the feet and only afterward in the mind.
The younger priest took one step backward. Marem, oldest of the river-keepers, did not move at all.
Eren's voice came out low and hard. "No one panic."
That command worked on soldiers better than priests, but it held the room together.
Ilya was staring at the seal as if it had just spoken something she had hoped never to hear.
"What answered below?" Eren asked.
She did not look at him. "I don't know."
The younger priest laughed once in disbelief. "You don't know?"
Ilya turned her head then, and whatever the man saw in her face killed the rest of that courage before it could leave his mouth.
"No," she said. "And that should frighten you more than if I did."
The weapon jerked again. The guard on the cord swore and tightened both hands.
"Commander!"
Eren snapped his attention back to the spill-channel. "Hold it clear!"
The dead thing in the channel arched once more—not alive, not exactly, but pulled by some last nerve-memory into a hateful crookedness. Black water lapped at split shell. One dead claw scraped stone.
The healer at the stair made the sign of Ru without seeming aware of it.
Letho had not yet returned with masons. So the choice was immediate: stay and observe the seal, or remove the dangerous weapon before the lower terrace gained another problem with teeth.
Eren pointed at two guards. "Take it up. Slowly. Keep it over water until you reach the upper stone."
The younger guard stared at him. "Where do we put it?"
"For the moment?" Eren said. "Somewhere it can offend no one except the men carrying it."
That earned one short, strained laugh. Good. Breath mattered.
The two guards began hauling the twitching weapon up the stair with the cord between them. It swung, snapped, twisted toward warmth when one of them came too close, and made the younger man nearly lose his grip again.
"Eyes on it," Eren said.
"My lord, I am attempting not to see anything else."
"That is why you still work."
The dead invader in the spill-channel finally settled flat.
At once Marem stepped closer to the edge and looked down into the black runoff.
"Do not," Ilya said sharply.
The old river-keeper stopped.
She crossed to him, slower than she wanted but faster than her wounds should have allowed.
"If the silver pulse touched what lies below," she said, "the lower runoff may carry more than blood and residue now."
Marem frowned. "More what?"
She looked at him. He did not like the answer before she gave it.
"Response."
The priest whispered, "That is not a word."
"It is tonight," Eren said.
Marem grunted softly and stepped back from the channel. He was old enough to know that when language failed, caution should replace argument until better words arrived.
Another knock came from below.
This time everyone heard it. Not imagined. Not felt. Heard. A dull striking sound under the broken seal, as if something beneath the stones had tested the roof of its own confinement and found it newly thin.
The younger priest went pale. The healer said, "That is no echo."
"No," said Ilya. "It isn't."
Eren studied the seal. Faint blue-white light still pulsed under the broken center. Here and there, silver glimmered through it in hair-thin lines and vanished again.
"What woke?" he asked.
Ilya's gaze remained fixed downward. "That is the wrong question."
"Then improve it."
Her breathing had gone shallow. "The better question is: what heard us wake it first?"
That did not help. Which was probably why it felt true.
Letho came back at a run then, followed by two masons, three laborers, and a broad-shouldered engineer with chalk on his sleeves and no patience anywhere visible on his face. This was Daku, master of river defenses and lower stoneworks, and he took in the scene with one sweep of the eye: broken ring, frightened priests, dead invader, strange woman from the sky, hanging black weapon, and Eren still bleeding through fresh bandaging.
Daku looked at the twitching weapon first. "What in the river's bad humor is that?"
"A future law," Eren said. "Can you build me a holding chamber before dawn?"
Daku looked offended. "Before dawn? I can build you the beginning of one before dawn. A chamber takes time. A wise chamber takes more."
"I'll settle for dangerous and locked."
"Then yes."
He pointed without waiting for permission. "You three, lower west store wall. Tear out the old grain alcove. Stone only. No wood racks. No reed matting. No open drain into common channel." He pointed again. "And someone get me sand, ash, and a priest who can stand upright without explaining the sky."
The younger priest stiffened. Marem said, "Take the older one. He speaks less."
That nearly caused an argument until the third knock came from below the seal.
Daku stopped mid-command. "What is that?"
No one answered immediately. Then Eren said, "The reason your chamber needs to be done quickly."
That was enough for Daku. He had the soul of a builder, which meant he understood that not all bad things become less dangerous by being well described. He set his people moving at once.
Ilya had gone very still now. Eren noticed that before anyone else did.
"What?"
She swallowed once. "I need to go nearer."
Three voices answered at once. "No."
Eren's had the most force in it. She looked at him with open irritation. "You are all becoming repetitive."
"And you are becoming unreasonable."
"That has already been established."
He stepped in front of her by half a pace. "You're wounded."
"Yes."
"The seal just answered something."
"Yes."
"And you think the correct response is to go closer."
Her eyes sharpened. "Ignorance is still ignorance, even from a distance."
He wanted to forbid it. He very nearly did. But that was the problem with Ilya now: every time fear tried to simplify her into someone who should be protected from danger, reality reminded him that she was often the only person in reach who understood what sort of danger the kingdom had actually inherited.
He lowered his voice. "If you collapse on those stones, I will become difficult."
She almost smiled. "You are already difficult."
"Answer the point."
Her expression settled. "I will not touch the center. I only need to hear it more clearly."
Marem spoke from behind them. "She should not go alone." The elder river-keeper's eyes were on the seal, not on Ilya. That mattered.
Eren looked at him once, then nodded. "You and me."
The younger priest said, "My lord, this is madness."
Eren turned. "No. Madness would be sending only priests."
That ended him.
Eren, Ilya, and Marem stepped carefully toward the broken center ring.
The torchlight seemed to dim there, though no flame had changed. The air felt different near the shattered seal—cooler along the skin, heavier in the chest, as if the place were holding too many meanings at once.
When they reached the edge of the collapse, Ilya lowered herself slowly to one knee. Silver flickered once under her skin. Marem stood at her left, river-quiet and stern. Eren remained on her right, sword unsheathed though he knew steel would be nearly useless.
Ilya closed her eyes.
The next knock came immediately. Closer.
She opened them at once. "It knows I'm here."
Marem muttered, "I liked it better when I thought the river only kept fish and judgment."
Eren said, "Can it come through?"
Ilya did not answer. That was answer enough.
Beneath the broken stones, silver light ran once along the buried lines. Then the blue-white seal pulsed in reply. Then, for the first time since the battle ended, a voice rose from below. Not words. Not yet. Only one long, low sound. Something ancient realizing it wasn't alone anymore.
Behind them, on the upper stair, a laborer dropped his hammer.
And Eren understood with terrible clarity that the battle at the river had not only awakened a defense. It had awakened a listener.
Ilya stood too quickly, pain crossing her face like a cut.
"We seal the lower ring tighter. Tonight."
Eren looked from her to the broken stones. "What is it?"
She met his gaze. And for the first time since the pod had opened, there was real fear in her eyes.
"I don't know," she said. "But it was already here before I came."