The Obsidian Choir moved like water — silently, inexorably, finding every crack.
They came for the apothecary on the third night. Four of them, which was either a compliment or an overestimation, and Seraphine had the uncharitable thought that it was probably the former. She had been expecting them. She had not been expecting the one who led them.
His name was Dorian Ashveil. She knew his face from the news feeds — a handsome, angular face that photographers loved and that concealed, behind its planes of careful pleasantry, something cold enough to kill crops. He was a Tier Five Ascendant, one of perhaps twelve in the world, with an ability the Authority had classified as "molecular acceleration" and which manifested in practice as the capacity to make things — buildings, vehicles, human bodies — come apart very quickly.
He had once walked through a reinforced vault door by encouraging each molecule in it to move faster than its neighbors. The footage had circulated widely. People had watched it with the same expression they wore watching a natural disaster: terrible awe.
"Ms. Voss," he said, stepping through her broken front window with the ease of a man entering a room he already owned. "You've been quite difficult to locate. My compliments to whoever's been helping you hide."
Kael stepped out of the shadows at the back of the shop and Ashveil's eyes went to him with an expression of genuine, poisonous pleasure.
"Mourne," he said. "I had wondered." A beat. "You look terrible."
"You look exactly the same," Kael said. "Unfortunately."
"Old friends," Seraphine murmured, not taking her eyes off Ashveil's three companions, who had fanned out with the practiced ease of people who had done this many times. One of them was already bleeding from the hand — Kael had suspended the other three mid-movement without apparently moving himself, a feat that made the air around them shimmer faintly, like heat off asphalt.
"We were never friends," Kael said.
"No," Ashveil agreed pleasantly. "But we were colleagues. And I did always admire you, Mourne. The precision of what you do. The elegance." He began walking slowly around the edge of the room, and Seraphine tracked him. "It's a shame you wasted it on this." His eyes went to her, briefly, with an assessment that made her feel like an item on an inventory. "Your mother's work was always going to end here, Ms. Voss. Unfinished or in our hands. Those were the only options. Your stubbornness in pursuing a third has been — admirable, I suppose. In the way that insects are admirable for persisting."
"I have a question," Seraphine said.
Ashveil paused, apparently charmed by the audacity of this.
"Why do you want it?" She kept her voice level. "The Nullifier. You have every advantage. Your kind already has—"
"Our kind," he interrupted softly, "does not yet have everything. There are still corners where the ungifted hide. Still systems that resist us. Still people like your mother who spend their lives trying to cut us down to their size." The pleasantry dropped from his face like a mask, and what was underneath was something very old and very cold. "We want it so that we can destroy it. So that nothing like it can ever exist again. So that this particular hope — the hope that the ungifted can somehow be made equal to us — dies permanently and everyone understands, once and for all, what the world actually is."
Seraphine looked at him.
"That," she said, "is the most pathetic thing I've ever heard."
The fight that followed was not elegant.
⁂
Kael held three of them suspended in his field while handling Ashveil, who was Tier Five and therefore a problem of a different order. Molecular acceleration was not a power that could be easily frozen — you could stop individual molecules but there were approximately ten to the twenty-fourth power of them in a human body, and even Kael's extraordinary control had limits.
Ashveil put his hand through the apothecary counter at one point, demonstrating his ability on the oak wood, and the sound it made — a rapid, wet crack, like something alive being unmade — was the sound Seraphine would hear in nightmares for years afterward.
She was not a passive participant. She had never intended to be.
The compound she had developed was not, in its current form, ready for practical application. It was not stable enough for field use. What she had, which she had spent the previous two days preparing precisely because she had known this was coming, was a precursor — a partial formula that disrupted Ascendant bioelectric fields on contact. Not for long. Not completely. Long enough.
She injected it into the base of Ashveil's neck when he was focused on Kael, and the effect was immediate and spectacular and deeply unpleasant to witness.
An Ascendant at Tier Five, stripped suddenly of their ability, does not simply become a normal person. The withdrawal is neurological. It is physical. It manifests as acute systemic shock — the body's nervous system, which had been running at a frequency far beyond human baseline, suddenly slamming back down. Ashveil went to his knees with a sound that wasn't quite a scream and wasn't quite a sob, and the three suspended operatives dropped to the floor as Kael released them to focus elsewhere.
It should have been over.
One of the operatives — a woman Seraphine hadn't assessed properly, a mistake she would catalogue with merciless precision afterward — was not fully suspended when she dropped. She had a weapon. Something the Choir had developed specifically for situations like this: an engineered toxin, the synthesis of which had required the deaths of eleven people in a laboratory in Novia, though that information wouldn't emerge until later.
The dart caught Kael in the right shoulder.
He went down in a way that told Seraphine immediately it was serious — not the controlled descent of a person choosing to fall, but the terrible looseness of a body that has lost confidence in itself. She was at his side before she had made the decision to move.
"Mourne." She pressed her hand to his shoulder, felt the spreading cold of whatever was in the dart, felt his pulse under her fingers — fast, arrhythmic, wrong. "Kael. Look at me."
He looked at her. His eyes were still silver, but dimmer, like stars behind cloud.
"The formula," he said. His voice was level. He was cataloguing his own condition with the same blunt efficiency he brought to everything. "Your Nullifier. If you have enough precursor left — it might counteract — the toxin's a bioelectric—"
"I know what it is," she said. "I know. Stop talking."
She worked. Behind her, Ashveil was recovering, which was a problem she couldn't afford to think about yet. She worked with the focused speed of a woman who had spent years preparing for a crisis she had never wanted to face, and her hands did not shake, and she did not look at Kael's face, because she was afraid of what she would see there.
She was more afraid of what she was beginning to feel when she looked at it.