Vesper watched him carefully. She knew that feeling, the pull of something beyond understanding. The grimoire had called to her in much the same way.

  “It was their bond,” she said. “Threnos’ bond with Threnody.”

  “Yes.” His jaw tightened. “When I opened it, I felt something reach out. Not a voice exactly, more like an awareness that I wasn’t alone, waiting to see what I would do.”

  “How long before you understood what it was?”

  “Weeks,” he replied. “Threnos was patient. He didn’t show me everything at once. The first visions came in fragments, images that didn’t make sense on their own. Crystal spires reaching towards the sky, whole cities built from it. People walking through streets, living their lives.” He looked at her then, his grey eyes holding something close to wonder. “Slowly, piece by piece, he showed me the truth about what the Arcana were, what they’d been before the cataclysm.”

  The path curved past a stand of bare birches. A magpie took flight from one of the branches, its wings stark black and white against the pale sky.

  “He showed me everything,” Ash went on. “What they’d been, what the Echo truly was, and I heard him.”

  Vesper felt her throat tighten. She remembered the grimoire burning in her hands, the visions that had poured through her mind. Threnody’s voice calling to her, but now she wondered how much of it was Threnos’, too.

  “We made an agreement,” Ash said. “I’d help him search for the Echo. For Threnody. And I’d become his vessel.”

  “Voluntarily.” Vesper’s voice came out quieter than she’d intended.

  “Voluntarily,” he confirmed. “The process was harder than either of us expected. We merged, but the boundaries between us blurred in ways neither of us anticipated. Sometimes I’d lose track of where I ended and he began. I’d forget he was even there, that I was sharing space with someone else, but then he’d surface again and I’d remember everything I’d been holding for him.”

  They reached a small clearing where the path split in three directions. Vesper stopped, turning to face him properly for the first time since they’d left Thornhallow.

  “Threnos’s presence was overwhelming,” Ash continued, meeting her gaze at last. “He tried to give me space, to let me be myself, but sometimes he couldn’t help but fill everything. His grief was so vast it pressed against the edges of my consciousness. His determination was so absolute that it became mine whether I wanted it to or not.”

  A breeze moved through the clearing, carrying the scent of damp earth and decomposing leaves.

  “And then there were moments when he’d recede entirely,” Ash said. “When I’d forget he was there. Those times…” His voice caught. “My friendship with you was real, Vesper. I cared about you. I wanted to help you.” He took a shaking breath. “The deception wasn’t about pretending to be your friend. It was about not telling you what I knew. What he knew. About Resonants and the Echo and what you truly were.”

  Vesper felt something unclench in her chest. She’d wondered, these past few days whilst sitting beside Rafe’s bed, whether the person who’d helped her understand her magic, who’d searched for texts about the Concordat trials and never asked for anything in return, had been real at all.

  “I believe you,” she said.

  Ash’s eyes widened slightly. “You do?”

  “I understand what it’s like,” Vesper said. “Sharing consciousness with an Arcana. Sometimes Threnody’s thoughts became mine. I couldn’t tell the difference between what I’d experienced and what she’d lived through thousands of years ago.” She looked at him. “And I understand why you kept what you knew hidden. Threnos needed someone who could move through the world unnoticed. If people had known an Arcana was searching for the Echo, it would have drawn attention. Dangerous attention.”

  “Tenebrae,” Ash said. The name came out bitter. “Fermata and Fortis. They all would have known immediately if Threnos had revealed himself.” He looked away. “The secrecy wasn’t about lying to you. It was about survival. For both of us.”

  They started walking again, taking the leftmost path that led deeper into the Heath. The trees grew denser here, their branches forming a canopy.

  “I miss him,” Ash said after a long silence. “Is that strange? To miss something that lived inside my mind, that made me forget who I was sometimes?”

  “No,” Vesper murmured. “It’s not strange.”

  “He taught me things I never would have learned otherwise. About magic, about purpose, about love.” Ash’s gaze dropped to the frozen ground. “The Arcana loved differently than we do, yet it was still love. He loved Threnody with an intensity that spanned millennia, and being connected to that…” He trailed off. “It changed me.”

  Vesper thought about Threnody’s final moments. How she chose to unmake herself rather than repeat the mistakes of her past. Choosing mortality and death over eternity and power. Choosing love.

  “She was good,” Vesper said. “Threnody. In the end, she was good.”

  “So was Threnos,” Ash replied. “He protected my soul throughout everything and kept his promise even when it cost him. Even when it would have been easier to just take control and push me aside entirely.”

  They walked on through the Heath, the silence between them no longer weighted with awkwardness but something closer to understanding. They were just two people who’d been vessels for forces larger than themselves, who’d survived the experience, and were now trying to figure out what came after.

  “What will you do now?” Vesper asked eventually.

  “Return to the Bizarre,” Ash said. “Rebuild the shop. It’s gone, the wards I set destroyed everything when we were forced to leave, but I can start again.” He glanced at her. “I’ll have to rebuild my collection, but that was the fun part. I do love books…”

  “Will you be alright?” The question came out before Vesper could stop it. “Alone, I mean.”

  Ash was quiet for a long moment. “I don’t know, but I have to try. Threnos showed me it was possible to choose my own path even when it cost everything. I owe it to him to do the same.”

  They emerged from the trees into another clearing, this one larger and more open to the sky. A pond lay at its centre, its surface covered in a thin sheet of ice that reflected the clouds above. Vesper could see the dark shapes of ducks at the far edge where the water remained unfrozen, their movements creating ripples that spread towards the ice.

  “I always knew what you were,” Ash said suddenly. “From the first time Threnos sensed you, he recognised what Threnody had done. He knew you carried a piece of her inside you.”

  The words should have felt like a violation, but somehow they didn’t. “And you never told me.”

  “No.” Ash stopped at the edge of the pond. “Because telling you would have meant revealing everything else. What the Echo truly was. What Threnos wanted. The danger you were in from other Arcana who might have sensed the threat. Fortis was trapped within the ley lines, but Fermata was controlling Thornhallow and Tenebrae was manipulating Praxis…” He turned to face her. “I’m sorry. For keeping that from you. For letting you walk into danger without understanding what you were.”

  “I’m not angry,” Vesper replied. “You did what you had to do, and in the end…” She thought about those final moments in the Spirefields. “In the end, it worked out.”

  “Did it?” Ash asked. There was real pain in his voice. “Threnos is gone. Threnody is gone. Nightreach is devastated. Hundreds are dead.”

  “We’re alive though,” Vesper said firmly. “You and me and Rafe and Blair and everyone who survived. We’re here because Threnody and Threnos made a different choice. Because they learned something from humanity that the others never did.”

  Ash looked at her for a long moment, then nodded slowly. “Threnos said that too, near the end.”

  A robin landed on a branch nearby, its red breast bright against the grey bark. It cocked its head at them, as though curious about these two humans standing so still beside the frozen pond.

  “Will I see you again?” Ash asked.

  “Of course,” Vesper said without hesitation. “You helped me when I was lost and confused. You were my friend even when you were keeping secrets. That doesn’t just disappear.”

  Something in his expression eased, and the tension that had been holding his shoulders tight finally releasing. “Thank you for understanding. For not hating me.”

  “I could never hate you.” She thought about all the times he’d appeared with exactly the right text, the perfect piece of obscure knowledge that helped her make sense of her impossible situation. “You helped save me. Multiple times.”

  They stood together beside the pond as the afternoon light began to fade towards evening.

  “The birds are returning,” Ash said, looking up at the robin. “I’ve noticed more of them the past few days.”

  Vesper followed his gaze. The robin wasn’t alone. She could see others now, flitting between the branches. Sparrows and finches and a pair of crows calling to each other from opposite sides of the clearing.

  “Life continues,” she murmured. “Even after everything.”

  They stood in comfortable silence, watching the birds. The weight of what they’d survived, what they’d lost, and what they’d learned from beings older than human civilisation, settled between them.

  Eventually, they turned back towards the path that would lead them out of the Heath and back to Thornhallow. Back to Rafe recovering in the infirmary, to Blair coordinating reconstruction efforts, to Ember and Owen slowly returning to themselves, to a future that was now theirs for the taking.

  As they walked, Vesper felt the absence where Threnody had been. The silence in her mind that was wholly her own. It should have felt lonely, but instead it felt like freedom. Like possibility.

  Above them, the birds continued their song, reclaiming the Heath one note at a time.

  The Bizarre rang with the sound of reconstruction, hammers striking wood and saws cutting through timber whilst shopkeepers called out to each other across the street.

  The marketplace had taken weeks to stabilise after the devastation, for supplies to arrive and people to return. Ash had spent that time adjusting to the absence of Threnos’s presence, walking the Heath with Vesper, helping clear debris from neighbouring shops whilst waiting for his own turn to rebuild. Now he finally stood in what remained of Brigue & Sons and surveyed the wreckage.

  The explosion had been thorough. The front wall had collapsed entirely, and the back room where he’d spent so many nights reading by lamplight was nothing more than scorched timber and broken stone. The shelves that had held three generations of rare texts lay scattered across the floor in charred pieces.

  He picked his way through the rubble carefully, his boots crunching on glass and ash. Most of his collection was gone, consumed by the wards Threnos had woven into the foundations…then triggered to keep it from falling into looters’ hands. A few books had survived in the corners where the fire hadn’t reached, their pages warped by water and heat, though salvageable if he took the time.

  Ash knelt beside a pile of debris and pulled out a treatise on ley line theory. The cover was half-burned and the pages were warped, though the text remained legible enough. He set it carefully in the wooden crate he’d brought with him, then continued sorting through what remained. A brass lamp, a deer skull, crystals, some of his brass tools, and a pair of reading glasses that had somehow survived intact. Small things he could use to start over.

  He kept working, his hands moving through the rubble whilst his mind drifted back to Edinburgh, to the moment he’d first opened that plain-looking grimoire and felt something reach out.

  Now he knelt in the ruins and felt nothing but his own quiet sadness for what the shop had been.

  He pulled another book from the rubble. It was another grimoire, its pages filled with elemental magic and carefully recorded rituals. He turned it over in his hands, examining the damage, and made the decision to keep it without any voice but his own weighing in on whether it was worth the effort.

  The absence felt strange. Good, though strange.

  By the time the afternoon light began to fade towards evening, he’d filled two crates. It wasn’t much considering what the shop had once held, though more than he’d expected. He straightened, wiping dust from his hands, and surveyed the space that would need to be cleared before any real construction could begin.

  The neighbouring shops were already showing signs of recovery, new awnings going up and windows being fitted into repaired frames. The Bizarre had weathered worse over the centuries, had survived the Great Schism and countless smaller disasters. It would survive this too.

  He picked up one of the crates and carried it to the back corner of the lot where he’d stacked the others. Someone in the Bizarre would have space he could rent until the rebuilding was finished. Everyone would welcome a little extra income.

  He returned for the second crate, then stopped.

  The grimoire sat on a broken shelf where he’d left it that morning, its leather cover worn smooth from centuries of handling. Threnos’ grimoire, the bridge to Threnody and the Echo. The very first that spawned an entire race of magical people to create their own. Vesper had told him to keep it, and he had carried it with him since that day in the Spirefields, but now… Now he wasn’t sure it belonged here.

  He picked it up. The leather felt ordinary against his palms, no different from any other old book he’d handled over the years. He opened it to the first page. It was blank. He turned to another page, but it was also blank. Its magic was gone, dissolved along with the soul that had created them.

  Ash closed the grimoire and set it back on the shelf and picked up the second crate. Then he put the crate back down. He reached for the grimoire again, then stopped with his hand hovering over the cover.

  He could keep it. He could put it somewhere in the rebuilt shop as a memorial to everything that had happened. The thought made his chest tighten in a way he couldn’t name.

  His hand dropped to his side.

  The shop would be rebuilt and his collection would grow again…but this book belonged to something that had already ended.

  Ash picked up the grimoire and walked out of his shop. He made his way through the Bizarre, weaving between workers and debris, the noise of reconstruction filling the surrounding air.

  The streets wound through the marketplace towards the eastern edge where the Bizarre ended and narrow alleys led to the river. The wards that had once obscured the market from view had long dissolved, leaving all the entrances exposed, but he liked it better this way.

  Emerging from one of these lanes, he finally saw the dark waters of the Darkmese. It cut through Nightreach, its waters moving in currents that had flowed long before the city was built and would continue flowing long after the last building crumbled. Ash had always found the way its black surface reflected nothing unsettling, but now he knew the stories about it were true, it seemed even more foreboding.

  Giants were just one myth that had risen from the depths, and in the distance, he could see the faint outline of the titan where it had fallen on the southern bank.

  Ash remembered the day he’d first approached the Darkmese with Threnos. They’d been ten paces from the water’s edge when the pain hit, the intensity of it forcing Ash to his knees. Threnos had recoiled inside him, pulling back from the river like he’d been burned, and for a moment Ash had felt what the Arcana felt. It wasn’t fear exactly, though it was something close to it. The river was a barrier, but not only that…the Darkmese remembered.

  Fitting that it should take this.

  Ash reached the riverbank as the last light faded from the sky. The black water moved past in steady rhythm, its surface smooth except where the current created small eddies against the stone embankment.

  He looked down at the grimoire in his hands, at the worn leather and cracked binding that had survived millennia only to become nothing more than just and old, empty book.

  Ash drew his arm back and threw it out over the water.

  The grimoire arced through the air and hit the surface with a soft splash. For a moment it floated there, bobbing up and down, riding the river like any other piece of debris caught in its flow. Then the Darkmese pulled it under, its dark waters closing over it, and it was gone.

  Ash stood at the river’s edge and watched the place where it had disappeared. The current moved on, indifferent and eternal, carrying the first grimoire away into its long memory whilst the city continued its work of rebuilding behind him.

  And just like that, the Arcana’s story finally came to an end.

  Chapter 37

  Ember sat on the edge of the bed in her private chambers at Thornhallow, watching the evening light slant through the tall windows. The sun was setting over Hampstead Heath, casting long shadows across the grounds. A fire burned low in the hearth, and the only sound in the quiet room was the occasional crack and pop of settling wood.

  Owen sat beside her, his hand warm in hers. They had been free for weeks now, but it had come at a cost. Her magic flickered unstably beneath her skin, sparking and dying in erratic bursts, whilst across from her Owen shifted his weight carefully, his movements still stiff.

  The manor felt different without Fermata’s presence. The walls were just walls now, and the stones were just stones. What had once hummed with ancient power was simply a building, grand and historic but no longer alive with magic.

  “I keep expecting her to surface,” Ember murmured. “To push me down and take control again.”

  Owen squeezed her hand. “I know.”