The wine was exceptional. That was the indignity of it: that a criminal establishment operating in what was either a pocket dimension or a particularly well-warded basement had a cellar, in the conventional sense of the word, that put the Imperial annual gala to shame. Eliza held the glass up to the gaslight. The vintage was a deep, arterial red, heavy-bodied, with the kind of legs that suggested it had been ageing since before her parents met.

  One should expect nothing less, she thought, taking a slow sip and letting the rim clink against the porcelain chin of her half-mask, from an establishment that named itself the Cellar.

  "You're fidgeting, Boxer."

  The observation was delivered without looking. She didn't need to look. The leather of the VIP booth had been creaking in a metronomic rhythm for the last three minutes, which meant her companion was either shifting his weight from cheek to cheek or attempting to burrow through the seat cushion via osmosis. Neither option reflected well on the Department.

  Beside her, William, whose hastily acquired membership card identified him as "Boxer," a name he had chosen under pressure and immediately regretted, flinched as though she'd flicked his ear.

  "Sorry, Sheltie," he said, deploying her alias with the self-conscious caution of a choirboy trying out profanity for the first time. He tugged at the collar of his rented tuxedo, which was half a size too generous in the shoulders and appeared to be staging a slow, fabric-based assassination attempt on his windpipe. "It's just... the energy in here. I've never seen anything like it. Half the people in this box are probably on the Watchlist. Shouldn't we be, I don't know, taking names? Making note of faces?"

  "Put your notebook away, Boxer."

  "It's just—"

  "Away."

  The notebook disappeared into his jacket with the reluctant speed of a child hiding contraband. Eliza took another sip. She really, profoundly did not want to be babysitting tonight.

  "You are acting like a constable on his first foot patrol," she said, her voice low enough to be swallowed by the ambient roar of the crowd below. "You blend in about as well as a hymn in a hurricane. Stop looking at people like you're memorising their bone structure. Stop touching your collar. And for the love of all that is holy, stop bouncing."

  William went rigid. The bouncing stopped.

  Eliza turned her attention back to the arena, though her mind was three conversations and twelve hours behind. The morning briefings had been ugly. Not the controlled, bureaucratic ugly of a case developing along expected lines, but the sprawling, many-headed ugly of something that had been growing in the dark and had only just breached the surface.

  The bandit attack on the King's Road had been the loud one: the smoking crater, the vaporised horses, the missing passengers. That was the one that tripped the detection grid and brought her and Thomas out in the rain to stare at a hole in the ground. She had dismissed it. There was no magical signature worth the name, just a faint trace of pyromancy she'd written off as a spark charm, and a meteorite theory from the Constabulary that was just plausible enough to close the file on.

  But it wasn't just one carriage. That was the part that had landed on her desk two hours before she'd walked into this basement. Three other carriages hit on the southern approach roads, same day. Two more near the river crossing. The Constabulary had taken their time connecting the incidents because each one looked different: a wheel failure here, a bridge washout there, a reported animal attack on the Millford road that left no carcass and no tracks. It was only when the missing-persons reports started arriving in clusters that someone with half a brain had pinned a map to a wall and drawn lines between the dots.

  Six carriages. At least fourteen people unaccounted for. All on the same day.

  If the Jackal's crew was selling live cargo, the money trail would eventually pass through a place like this. The Cellar dealt in everything that couldn't survive daylight, and human trafficking was simply another line item in the ledger of the damned. But so far, the grapevine was dry. No whispers of bulk orders. No rumours of ritual sacrifice. Just the usual commerce of vice, grinding along with the cheerful amorality of a market that had never pretended to have a conscience.

  Thomas should be here. The thought arrived with the familiar tang of professional irritation that her partner seemed specifically designed to generate. There was a conspiracy metastasising in the bowels of Dunwick. It involved coordinated abductions, probable cult involvement, and an operational sophistication that went well beyond the Jackal's usual smash-and-grab repertoire. And Thomas Bannerman, Senior Inspector, decorated field agent, the man who had once tracked a rogue necromancer through the sewers for eleven consecutive hours without a bathroom break, had clocked out early for family matters.

  "Duty calls," he'd told her yesterday, standing over the crater while the rain hammered the containment field she was burning mana to maintain. The grid doesn't monitor itself, he'd said, with the particular brand of righteous professionalism he deployed when he wanted to end a conversation without admitting he wanted to end a conversation.

  Apparently, the grid was perfectly capable of monitoring itself when there was a family dinner on the schedule. So much for the stoic professional who couldn't spare five minutes to greet his sister at the gates.

  Eliza swirled the wine. The irritation softened, reluctantly, into something closer to understanding.

  Then again. She watched the red legs slide down the inside of the glass. That morning report would have rattled him. Fourteen people missing from the roads. Thomas had a sister travelling those same roads, on that same day, arriving at a city that was beginning to look less like a destination and more like a trap. The realisation must have hit him like a fist: the sheer proximity of the harvest to his own blood. If the world was showing signs of ending, Eliza supposed she could forgive the man for wanting to verify that his little sister was actually sitting at the dinner table and not in a burlap sack in someone's cellar.

  She took a longer sip than she'd intended.

  Not this cellar, obviously. A different one. A worse one.

  "But ma'am—Sheltie," William corrected himself, the alias still sitting in his mouth like an ill-fitting denture. "Isn't this technically illegal? Unsanctioned duelling? Unregulated gambling? We're officers of the Crown. Shouldn't we be—"

  "Boxer." Eliza set her glass down. "Look at the floor."

  He blinked. "The... the sand?"

  "Not the sand. The walls. The wards." She pointed a gloved finger at the perimeter of the Level 3 pit below them, where faint geometric patterns pulsed in the stonework at intervals too regular to be decorative. "What do you see?"

  William leaned forward, squinting through the haze of cigar smoke. His brow furrowed, and for a moment the nervous rookie vanished, replaced by something more focused: the student who had graduated near the top of his Academy class, before the field had taught him that graduation meant nothing.

  "Spatial," he said slowly. "Trans-locational, if I'm reading the lattice right. The geometry is... wrong. The angles don't resolve. It's like looking at a staircase that goes up and down at the same time."

  "Very good." Eliza picked her glass back up. "We walked down a flight of stairs, Boxer. One flight. Do you feel like we descended one flight?"

  William opened his mouth. Closed it. His eyes moved to the vaulted ceiling high above them—far too high, impossibly high for a single storey's descent—and then to the sprawling floor of the amphitheatre, which extended in every direction well beyond the footprint of the building they had entered from the street.

  "No," he admitted.

  "No," Eliza agreed. "Because we aren't in Dunwick anymore. We might be in a pocket dimension. We might be in a spatially dilated basement beneath the Iron Ward. We might, for all I know, be sitting in a very comfortable chair on the dark side of the moon. The point is this: the Emperor's writ stops at the door. Imperial jurisdiction does not extend to spaces that do not technically exist within the borders of the Empire."

  She gestured with her glass, encompassing the crowd, the pits, the masked dealers, the entire improbable cathedral of organised sin.

  "If you attempt to arrest someone down here, the House will not debate the legal nuances with you, Boxer. They will kill you. And the Department, being a bureaucracy before it is anything else, will bill your next of kin for the processing fee." She took a sip. "We are guests. Behave accordingly."

  William's mouth worked silently for a moment, cycling through what appeared to be several competing objections before settling on the only response available to a junior agent whose senior had just explained, calmly and over good wine, that they were beyond the reach of the law and entirely at the mercy of their hosts.

  "Right," he said faintly. "Guests."

  "Guests with eyes and ears," Eliza amended. "Not badges."

  A roar from the crowd below swallowed whatever William might have said next. The gas-floods above the Level 3 pit flared to full intensity, bleaching the sand white, and the crowd surged against the cage bars like a tide hitting a breakwater.

  Two men stepped onto the sand.

  They were stripped to the waist, their torsos maps of scar tissue and old burns, the accumulated résumé of careers built on the willingness to bleed in front of an audience. The first was enormous. Not tall, though he was that, too, but wide, built with the dense, load-bearing architecture of a man whose body had been designed by God to move heavy things and hurt other heavy things. His skin had a faintly wet sheen, as though he were sweating water in a way that was not entirely natural.

  Stolen content alert: this content belongs on Royal Road. Report any occurrences.

  The second was lean, ropy with the kind of muscle that suggested speed over power, and he moved with a restless, kinetic energy that made the air around him shimmer.

  "Ladies and gentlemen!" The announcer's voice erupted from somewhere above them, magically amplified to a volume that vibrated in Eliza's sternum. "In the blue corner: the man who churns the seas, the colossus of the deep, give it up for... THE ICEBREAKER!"

  The big man raised one hand. The crowd responded with a sound like a dam breaking.

  "And in the red corner: the cyclone of the south, the gale that never dies... THE TURBINE!"

  Eliza snorted into her wine. It was a small, undignified sound that she would deny producing if asked.

  "The Turbine," she repeated, tasting the word like something found on the bottom of a shoe. "And the Icebreaker. Lord above. Who writes this copy? Is there a committee?"

  "I think they choose their own names," William offered.

  "That is somehow worse."

  The bell rang. It was a sharp, brassy note that cut the roar clean in half, replacing it with a silence that lasted exactly one heartbeat before the crowd drew breath and the noise rebuilt itself, louder than before.

  The Turbine didn't wait for the echo.

  The lean man detonated from his corner. There was no running start, no windup. A concussive bloom of compressed air erupted behind his heels and he launched, covering the distance between corners not with the gait of a sprinter but with the ballistic trajectory of a fired round. He banked mid-flight, his body tilting into the curvature of his own slipstream , and suddenly he was circling, orbiting the larger man at a speed that turned him into a blur of skin and motion.

  William's notebook was back in his hands. Eliza didn't bother correcting him.

  "How is he doing that?" William breathed, leaning so far forward his mask nearly touched the railing. "That propulsion. The g-forces alone should be snapping his tibias. His joints should be powder."

  "The mantle," Eliza said, watching the blur with the detached interest of a woman who had seen better. "A pyromancer doesn't cook inside their own fireball. A kinetic mage is insulated against their own output. The mana reinforces the vessel. At Tier 5, that reinforcement becomes substantial."

  "But the force is external once it leaves his—"

  "Boxer." Eliza held up a finger. "I am not teaching a physics seminar in an illegal fighting pit. Watch the fight."

  William shut his mouth. He watched the fight.

  The Icebreaker had not moved. He stood in the centre of the ring with his feet planted in the sand like foundation posts, tracking the Turbine's orbit with small, economical movements of his head. His hands moved in sharp, chopping motions that were precise, unhurried, and mechanical.

  From his palms, jets of water erupted.

  They were not gentle. They were pressurised lances of liquid moving at a velocity that had nothing to do with hydration and everything to do with amputation. They hissed through the air in flat, horizontal arcs, and where they struck the arena wall behind the Turbine's blur, they didn't splash. They cratered. Stone pulverised, dust blooming outward, gouges the size of dinner plates bitten out of the masonry.

  "He uses water?" Eliza said, sounding vaguely offended. "His name is the Icebreaker, and he's throwing water? That's false advertising."

  The Turbine was dancing through the barrage. He twisted mid-flight, a burst of wind jerking his body sideways as a water-lance passed close enough to mist his skin. He retaliated instantly with a flurry of punches thrown at empty air, each one releasing a visible ripple, a bullet of compressed atmosphere that crossed the ring in a blink.

  Thwack. Thwack. Thwack.

  The Icebreaker didn't dodge. He tilted his head, a movement so minimal it barely qualified as motion, and a wind bullet screamed past his ear, blowing his wet hair violently sideways. He didn't blink. He simply tracked, adjusted, and fired another lance.

  "I don't see how Icebreaker takes this," William said. He was analysing openly now, the notebook forgotten in favour of the spectacle, his eyes darting as he tried to track the Turbine's trajectory. "Turbine controls the space. He has the mobility, the angles, the initiative. Icebreaker's a turret. A very impressive turret, granted, but a stationary target all the same."

  He glanced at the scoreboard hovering in faintly luminous script above the pit. "And this is his third consecutive bout. The streak multiplier is active. He has to be running on fumes."

  "His third?" Eliza raised an eyebrow behind the porcelain. "That is ambitious. Most Tier 5s cash out after two. The fatigue degrades reaction time, and reaction time is the difference between a victory purse and a pine box."

  "Right," William said, warming to his analysis. "So he's tired, he's stationary, and his opponent is faster, fresher, and can attack from any angle. Turbine wears him down. It's a matter of time."

  "No," Eliza said.

  She said it quietly, the way she said things she was certain of.

  William looked at her. "No?"

  "Icebreaker wins."

  "How?"

  Eliza set her glass down. She leaned forward, resting her elbows on the velvet rail, and for a moment the boredom dropped away and something sharper took its place: the focused, predatory attention of a woman who had spent a decade studying how people hurt each other and had developed strong professional opinions on the subject.

  "Look closer, Boxer. Tier 5 is not a plateau. It is a slope. Two men can stand on the same mountain and be at very different altitudes."

  She nodded toward the sand.

  "Turbine's attacks are hitting. That wind blade caught Icebreaker's shoulder. You saw the fabric tear. The concussive blasts are connecting. And what happens?"

  William frowned. "Icebreaker absorbs them. He takes the hit and barely moves."

  "Barely moves," Eliza repeated. "Now look at what happens when Icebreaker's water connects with the wall behind Turbine."

  They both looked. A fresh lance struck the stonework. The impact was not subtle. Dust. Fragments. A crater deep enough to lose a fist in.

  "That wall is reinforced," Eliza said. "Warded stone, built to contain Tier 5 engagements. And his water is cratering it. Turbine's wind is tearing the man's shirt. Do you see the gap?"

  William was quiet for a moment. Then: "Oh."

  "Oh," Eliza agreed.

  Down in the pit, the Turbine seemed to arrive at a similar conclusion, though he reached it through the less comfortable method of direct experience. His ranged attacks were landing, but they were landing the way rain lands on granite, wetting the surface and doing nothing to the stone beneath. The Icebreaker absorbed each hit with the disinterested patience of a man waiting for a bus, his feet planted, his breathing steady, his water lances continuing to carve the arena walls with metronomic precision.

  The Turbine changed tactics. The orbiting blur decelerated, and for a moment he was visible: sweat-slick, breathing hard, eyes bright with the specific frustration of a man who has been hitting something for two minutes and watched it fail to fall down. He gathered the air around his legs, compressing it into a visible shimmer that distorted the gaslight.

  "He's going in," William whispered.

  The Turbine launched. Not an orbit this time. It was a straight line, a spear-throw, the full force of his wind magic compressed into a single vector of velocity aimed directly at the centre of the Icebreaker's chest. His hand was formed into a blade, wreathed in a saw-ring of rotating air sharp enough to cut steel.

  He was too fast to track. The gap closed in a fraction of a heartbeat, twenty metres of sand erased in the time it took to blink, and the crowd's roar became a single, held breath—

  The Icebreaker stepped forward.

  One step. A small, economical shift of weight from his back foot to his front, the kind of adjustment a boxer makes a thousand times in training, so deeply ingrained it bypasses thought entirely. He planted. He turned his hips. He threw a right cross.

  The fist met the flying man in the exact centre of his trajectory.

  The sound was not a crack. It was heavier than that. It was a dense, wet thud, the sound of something structural giving way, of momentum meeting mass and losing the negotiation in a single, definitive syllable.

  The Turbine stopped. Not slowed. Stopped. All that velocity, all that compressed wind and screaming air, cancelled in an instant by a fist that had been waiting for him the way a wall waits for a bird. He hung in the air for a fraction of a second, the physics of the moment suspended in a grotesque freeze-frame, and then gravity remembered him and he dropped.

  The Icebreaker followed through. The same fist drove downward, pressing the smaller man into the sand with a force that shook the floor of the VIP box and sent Eliza's empty wine glass sliding two inches across the table.

  The Turbine did not move. He lay in the depression his body had made, face-down in the sand, and the sand around him was very still.

  "Winner! THE ICEBREAKER!"

  The crowd erupted. The sound was physical, a wall of noise that hit the VIP box like a change in weather, carrying with it the raw, visceral satisfaction of a crowd that had just watched something end decisively.

  William sat back. His mouth was open. The notebook was on the floor.

  "He won," William said, his voice carrying the particular blankness of a man whose model of the world had just been revised without his consent. "With a punch. A regular punch. He didn't even cast."

  "Nothing regular about it," Eliza said. She retrieved her glass from its new position and signalled a passing server for a refill without breaking eye contact with the sand below, where the pit crew was dragging the Turbine's limp form toward the gate by his ankles. "The magic isn't in the hands, Boxer. It's in the blood. In the tissue. In the density of the physical form itself. The more saturated a mage's core becomes, the denser and more resilient the body grows around it. It's not a spell. It's a state. Icebreaker didn't need to cast because at his level of saturation, the distinction between his body and his magic has started to erode."

  She accepted the refilled glass from the server with a nod.

  "Turbine was Tier 5. So is Icebreaker. But Tier 5 is a broad church, and those two men were sitting in very different pews." She took a sip. "That is the gap between having power and being power. And it is why the Turbine is currently being carried out of the ring by his ankles while his opponent hasn't broken a sweat."

  William retrieved his notebook from the floor, dusting it off with the quiet dignity of a man pretending he hadn't dropped it. "So the tier system is... less precise than they taught us at the Academy."

  "The tier system is a bureaucratic convenience," Eliza said. "It tells you the size of the box. It tells you nothing about what's inside it."

  She drained the last of the wine, the second glass, which had somehow vanished faster than the first, and set it down with the decisive clink of a woman whose evening had reached its natural conclusion. She stood, smoothing the front of her dress where the plush leather had left creases, and adjusted her mask.

  "Come on, Boxer. If the Jackal's supply chain isn't running through the Cellar, we need to check the docks before the tide turns. The harbourmaster owes me a favour, and favours spoil faster than fish."

  William didn't move. He was still seated on the edge of the booth, his body angled toward the arena with the posture of a man who had been told to leave a party he had only just realised he was enjoying.

  "Can we stay for one more?" he asked. "Just one. One more bout."

  "William."

  "I know. Duty, docks, harbourmaster, spoiling fish. I heard you." He gestured at the arena, where the Icebreaker was rolling his shoulders and shaking out his fists, the sand still bearing the impression of the Turbine's body. "But Sheltie... when am I going to see this again? The Academy showed us diagrams. Diagrams. This is... it's not every day the job puts you ringside at a bout between Tier 5 mages, and I just want to see if—"

  "Greed kills more mages than the D.A.A. does," Eliza murmured, watching the Icebreaker. "Knowing when to walk away with your winnings is a talent rarer than blood magic."

  The words were directed at the sand, not at William. She was watching the big man's body language: the set of his shoulders, the way he flexed his hands, the slight favouring of his right leg that suggested the third bout had cost him more than he was showing. He was tired. He was also still standing in the ring, which meant the multiplier was still climbing, which meant greed or pride or some marriage of the two was keeping him on the sand when sense would have carried him to the exit.

  Cash out, you fool, she thought. Take the money and go home.

  She looked at the door. She looked at the wine. She looked at William's face, which was doing something earnest and irritating with the eyebrows.

  "Fine," Eliza said, and sat back down with the resigned grace of a woman who had lost a negotiation she hadn't intended to enter. She waved at the server. "One more. But I swear on everything sacred, Boxer—if the next fighter is a geomancer who calls himself 'The Rock,' I am leaving."