Sena went to the archive chamber alone on the ninety-fourth day.

  Not without telling anyone — she told Raka, who was still in the medical wing, and Kai, who was the only one who could open the seal, and the two of them did not try to stop her because Sena's relationship with the Heart and with the Void was her own, and she had demonstrated consistently that she understood its risks better than anyone else could from the outside.

  Kai opened the seal and waited at the top of the corridor. Sena went down alone.

  She sat beside the Heart for four hours.

  When she came back up, she found Kai still waiting, which did not surprise her, and she sat down on the cliff path beside the sealed entrance and looked at the sky for a long time before she spoke.

  'He is close,' she said. 'Arkhavel. The seal is thin enough now that his presence is audible to me from this distance. Like — standing in a room next to a very thick wall and knowing there is something enormous on the other side of it.'

  'The waves,' Kai said.

  'Are going to stop,' she said. 'Temporarily. He has expended significant energy forcing the tears. He needs to consolidate before the next push.' She paused. 'We have approximately two weeks of reduced activity.'

  'And after two weeks?' Kai asked.

  'After two weeks he tries something different,' she said. 'Not tears. Not the cascade mechanism — those barrier points are sealed and he knows it. Something we haven't seen yet.'

  'Do you know what?' Kai asked.

  She was quiet for a moment.

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  'He spoke to me,' she said. 'Through the Heart. While I was sitting with it.'

  Kai turned to look at her fully, which was notable because Kai's attention was usually distributed, peripheral, everywhere-and-nowhere. This was direct.

  'What did he say?' Kai asked.

  'He said: I am not what they told you I am. He said: the seal was built on a misunderstanding. He said: what I want is not destruction. It is return.'

  The cliff path was quiet. Far below, the waterfalls roared against the cloud cover.

  'Do you believe him?' Kai asked.

  Sena thought about this for a long time.

  'I believe that he believes it,' she said finally. 'I have been listening to Void creatures for as long as I can remember, and the frequency of a lie is different from the frequency of a genuine belief, even a wrong one. He believes that the seal was unjust. He believes that his emergence is not the catastrophe the academy fears.' She paused. 'I also believe that he has been alone and contained for three hundred years, and that three hundred years of isolation and pressure can make a genuine belief into something that has lost its connection to what is actually true.'

  'He could be right about the misunderstanding,' Kai said, 'and still be wrong about what his emergence would cause.'

  'Yes,' Sena said. 'That is exactly what I think.'

  'Did you say that to him?'

  'Yes,' she said. 'I told him: I hear you. I believe that you believe this. I also believe that the Heart has been running for three hundred years and that what it has been filtering in that time is real, and that releasing it is not the same as releasing you. He was quiet for a long time after that.'

  'And then?' Kai asked.

  'And then he said: you are the first one who has listened.'

  They sat with that for a moment.

  'We need to tell Raka,' Kai said.

  'Yes,' Sena said. 'Tomorrow. He needs one more night of sleep.'

  'He will not be pleased that you went alone,' Kai said.

  'I know,' Sena said. 'But I needed to hear it without anyone else's reaction in the room. The Heart's frequency is very delicate. Other Aether signatures create interference.' She looked at the sealed entrance. 'And I needed to hear what he said without anyone deciding what it meant before I had decided.'

  'What does it mean?' Kai asked.

  She looked at the sky. At the academy's lights above the ridge line, warm and ordinary and entirely unaware.

  'I don't know yet,' she said. 'But I think it changes something about what we do next. Not the goal. The method.'

  Kai nodded once. They sat together on the cliff path in the dark, two people who were comfortable with silence in their different ways, and did not speak again until the eastern horizon began to pale.