Eren reached the lower underpath at a pace his wounds had no right to endure.
Torchlight threw harsh gold along the old river-stone. The corridor smelled of oil, black fluid, and fresh blood. One Messenger Guard lay against the wall with his throat broken open — fatal. The dead invader sprawled half across the silver-marked seam near the archway, black fire gone dull in the wounds Talem and Letho had opened.
And in the middle of all of it, tied badly but breathing, lay Edo.
Talem stepped aside with the air of a man presenting a difficult report he disliked for aesthetic reasons.
"My lord, the palace is larger beneath itself than its moral character can support."
Eren did not slow until he stood over the dead guard.
For one breath, he said nothing.
Then: "Name."
Letho answered quietly. "Haran."
Eren closed his eyes once. Only once.
Then he looked at the invader, the silver seam, and finally at Edo.
"Speak."
Edo opened his mouth. No sound came out. Fear had finally done what knives could not: stripped him of performance.
Talem crouched beside him and said in a tone almost kind, "That is unfortunate. The prince has less patience than I do, and I have very little tonight."
Eren's voice remained flat. "Who sent you below?"
Edo licked blood from a split lip and whispered, "I didn't know it was here."
"That is not an answer."
"Councilor Belun's house clerk carried the first word. Saben carried the records. I only brought the path."
Letho's face hardened.
Eren said, "For what purpose?"
Edo shook his head too fast. "To witness the lower way before dawn. To keep the terrace from becoming military truth alone."
Talem made a small disgusted sound. "There. Fear dressed properly again."
Eren turned to the silver seam beneath the archway. It had not spread farther. That was the only mercy in the corridor. A thin line, half hidden in the cracks, glimmered like frost trapped under stone. It did not pulse now. It simply remained.
Ilya arrived three breaths later, against every order he had given.
She stopped at the dead invader, then at the seam, then at the body of Haran. Her face changed when she saw the guard — not softness, just recognition of cost.
"This one tried to open the lower path," Talem said.
Ilya knelt by the seam despite the pain it cost her and placed her hand close to the stone without touching it.
"The path answered it," Eren said.
"For a moment," Talem added. "Then changed its mind."
Ilya did not smile.
"No," she said. "It didn't change its mind."
Everyone in the corridor went still.
Letho asked, "Then what happened?"
She looked up. "The line below the terrace recognized two commands at once."
Talem blinked. "That sounds offensively complicated."
"It is." Her gaze shifted to Eren. "One from the invader. One from above."
Edo made a small strangled noise.
Eren heard it immediately. He turned on the clerk. "Above?"
Edo shook harder. "I don't know what that means."
Talem stood and looked down at him. "Then let me improve your memory. Someone wanted witness in the lower path before dawn. Someone wanted access to the old route beneath the terrace. Someone moved while the king lay broken and emergency authority shifted. If you are unlucky, you are part of treachery. If you are lucky, you are part of stupidity. I don't yet know which outcome I prefer for you."
Edo began to cry. Quietly, ashamedly — the way men do when they realize they have not been standing near politics, but inside history.
Letho said, "Belun."
Eren nodded once. "Yes."
Not proof yet. Direction. That was enough for now.
He looked at Talem. "Can you take him there?"
Talem's expression brightened in a way that meant trouble for everyone else. "My lord, I can take him anywhere. The real question is how much dignity you want left in the room when I arrive."
"Enough to hear the truth clearly."
Talem sighed. "You do ask for expensive things."
Eren turned to Letho. "Seal this passage. No one in or out without my word. Haran is taken up under witness."
Letho's jaw tightened at the dead man's name. "Yes."
"And the invader?"
Ilya answered before Letho could. "Not moved yet."
Eren looked at her. She pointed to the silver seam. "If the lower line touched this body during the response, shifting it blindly could wake the path again."
Talem muttered, "I remain a strong supporter of daylight."
Eren ignored him. "How do we make it safe?"
Ilya's eyes flicked once over the corridor, the dead invader, the old stones, the archway, and finally the prince himself. "We don't tonight. We make it still."
There was no better answer.
Above them, somewhere through layers of stone and sleeping fear, the palace kept breathing around a king not yet dead and a throne not yet empty. Below, the underpath had just proven what kind of kingdom they now lived in: one with secret roads, responding stone, and men willing to race for interpretation before dawn could make it lawful.
Talem hauled Edo to his feet. The clerk nearly collapsed, then remembered pain still meant he was alive and tried to remain vertical.
As Talem turned him toward the stair, Eren said, "Talem."
The King's Eye paused.
"If Belun is stupid, leave him enough rope to prove it. If he is not—"
Talem's face went serious. "I know."
No jokes then. Good. He took Edo and two guards and disappeared up the stair.
Silence settled back into the corridor in layers.
Letho knelt by Haran's body. Ilya remained by the seam, pale and still.
Eren stood between the dead guard and the dead invader and understood, more clearly than he had on the lower terrace, what the rebuild had already become. Not healing. Not yet. Contest. For truth. For structure. For kingship. For what the kingdom would become before the enemy returned to test it again.
Then the floor beneath the silver seam gave one small pulse.
Not a knock. Not a voice. More intimate than either. Like a hand below the stone shifting position.
Ilya lifted her head sharply. "That was not the line."
Letho looked up. Eren's hand went to his sword.
"Then what was it?"
Ilya's eyes stayed fixed on the seam. When she answered, her voice had gone very quiet.
"Something using the line to climb."