He told Seren that night.
He told her all of it — the third instrument, the accumulation, Dren's cloth document, the record of the man before him. He told her in the grammar he had, which was still approximate in places but no longer fragile. He told her with the directness he had always preferred and that she, he had learned, responded to better than any other approach.
She listened without interrupting. She sat on the floor across from him with her hands in her lap and her sleeves down and her expression entirely still in the way it went still when she was doing the internal work of assembling information into a structure.
When he finished she was quiet for a long time.
Then she said: "How long has Dren known about the record."
Kael said: "I don't know. Long enough to have the document prepared."
She said: "Dren is not Casvar's enemy. He is Casvar's opposition. There is a difference." She paused. "Casvar believes that what you accumulate is the only thing large enough to stop the southern Soul-Lords before they reach the citadel. Dren believes that using you that way will — he uses the word for structural collapse. For a thing that fails from the inside."
Kael said: "He thinks it will kill me."
Seren said: "He thinks it will do what the eastern wing did. Except you are not stone."
Kael thought about that.
He said: "What do you think."
She looked at him with the expression of someone who had prepared for this question and had decided not to prepare an answer in advance. She said: "I think Casvar is right that you are the only viable option. I think Dren is right that Casvar hasn't told you what 'viable' means in this context."
He said: "And what does it mean."
She said: "Controlled release of that volume of accumulation would require the circle in the eastern wing to be restored. It would require the pull to be directed outward in a single concentrated movement rather than the slow, channeled release he has been teaching you. And it would — the Fractures that should disperse the backlash do not exist in you, so the backlash would have nowhere to go."
He said: "Except back in."
She said: "Yes."
The coldlight bowl on the floor between them shifted its color slightly — the liquid did that sometimes, moved through a slow spectrum from winter-gray to almost-blue. He had stopped wondering what caused it. He watched it for a moment.
He said: "You have been building something too."
She looked at him.
He said: "Since the first night. The language. The access. The information about Casvar and Dren and the eastern wing. You have been working toward something and you came to me because I am part of it."
She was quiet.
He said: "Tell me."
She said: "I told you, on the twenty-sixth day, what I was trying to do when my Fractures were made. Reading a soul that didn't want to be read." She pulled her sleeve back, looked at the channels on her wrists without the careful neutrality she usually maintained around them. "The soul I read was one of the southern Soul-Lords. He was here. A visitor, officially. A spy, actually. What came back through me when I read him — it was a map. Not a geographic map. A map of their working. How the accumulation is structured. Where its center is."
She said: "Casvar used that information. He used it to understand what we were facing. But he did not use it to find a solution that didn't require—" She stopped. She said the word for the kind of resource that is spent and not recovered.
Kael said: "He didn't look for a way that didn't cost the Kaer."
Seren said: "I have been looking. For three years, since the reading, since the channels. I have been looking for a way to direct the controlled release that does not require the Fractures of the person directing it to disperse the backlash. A way to build an external channel."
He looked at her wrists.
He said: "Your Fractures."
She said: "They are channels, not lines. Wide enough. Deep enough. If the pull can pass through them into the dead and change the color of their Fractures — if the connection runs both directions — then perhaps the backlash runs both directions too."
He sat with that.
He thought about the raised hand, the trace of teal, the warmth at the end of the pull that was not his own.
He said: "You would take it."
She said: "The channels already run. Something made them."
She said it without inflection, the same way Casvar said the things that were assessments.
He said: "That would—"
She said: "I know what it would do. I have been thinking about it for three years. I am asking you to help me determine if it would work. Not asking you to agree to anything else yet."
He looked at her. She looked back. Neither of them was pretending to certainty they did not have.
He said: "I need to think."
She said: "I know."
She left him the slate. She left him the coldlight bowl. She left him alone with one hundred and twenty words and a decision that had not yet become urgent but that was moving, steadily, in that direction.
Outside, the dead stood at their posts.
He sat on the floor in the world without a sun and held the pull carefully inward and thought.