Run: 2026-03-18-01KM099DA32BBAHRNVDM3VW4EA

Run Details

Duration:
34.8s
Cost:
$0.002487
Provider:
Mistral

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<codex> <character id="4416" name="Detective Harlow Quinn" aliases="Quinn, Detective Quinn, Harlow" pronouns="she/her" species="Human" storyRole="Antagonist"> <eyeColor>brown</eyeColor> <hair>closely cropped salt-and-pepper</hair> <height>5'9"</height> <age>41</age> <jawline>sharp jaw</jawline> <watch>worn leather watch on her left wrist</watch> <bearing>military precision</bearing> <description>A Metropolitan Police detective with 18 years of decorated service who suspects the clique is involved in criminal activity.</description> <backstory>She lost her partner, DS Morris, during a case three years ago under unexplained circumstances that had supernatural origins she doesn't yet understand.</backstory> </character> <character id="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <location id="856" name="The Veil Market" aliases="Veil Market, the Market, underground market" realm="Earth"> <currentLocation>abandoned Tube station beneath Camden</currentLocation> <entryRequirement>bone token</entryRequirement> <schedule>moves locations every full moon</schedule> <description>A hidden supernatural black market that sells enchanted goods, banned alchemical substances, and information.</description> </location> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. Use the codex entries above as your world reference for characters and setting. Only include the prose of the scene without any markdown or commentary.

Model response

AI
Detective Harlow Quinn stepped over the police cordon like it was a suggestion, not a barrier, her polished shoes crunching on broken tiles that hadn’t seen daylight since the Blitz. The smell hit first—a reek of burnt copper and old wet earth—nothing she recognised from her twenty years on the force. Above, the ceiling of the abandoned Tube station flickered under streaks of emergency lighting, the bulbs coated in something that wasn’t dust. It shimmered when she passed, iridescent as oil on rain. She flexed her fingers inside thin black nitrile, felt the worn leather of her watch press against her pulse point. 3:17 AM. Three minutes past the witching hour the Met recorded. Three hours since dispatch had radioed in a possible overdose on platform-level three somewhere beneath Camden Town. She didn’t believe in overdoses anymore. Not after Morris. Not after the blackened veins and the perfectly still hearts that still breathed before they didn’t. The platform stretched in both directions, a cavern of cracked tiles and corroded bench ends, the air thick enough to taste. Caution tape fluttered where it had caught on exposed wiring. And there—spread out like a child’s forgotten toys—a scatter of items that made her stomach tighten: bundles of dried herbs tied with copper wire, flagons stoppered with wax that bled red, and in the centre, half-buried in grime, a brass compass the colour of a bruise, its face etched with sigils that looked like they’d been scribed by a hand that didn’t know fear. Harlow crouched, her knees popping, and brushed dirt away. The casing had the patina of verdigris but deeper, richer—something older than the green of copper. The needle inside hadn’t settled; it juddered in place like a trapped thing. She reached out, then stopped. Bare millimetres from the surface. The sigils weren’t worn smooth. They were cracked *inward*, spirals and star-points fracturing toward the centre like ice on a frozen lake that had been hit from underneath. “You feel the weight of it?” Eva’s voice came from behind, soft but steady. Harlow didn’t turn. “It’s a compass, Evie. It’s broken.” “Broken how? The needle’s trying to point northeast but can’t decide between two grids. Human and Other. And look—” Eva knelt beside her, her red curls escaping the loose clip, glasses reflecting the cold light. She tapped a gloved finger near the casing without touching. “The patina’s fresh. Like it’s been exposed to air that wasn’t this air before. But the fractures aren’t outward, Harlow. They’re *sucked*. As if whatever lived inside got hungry and clawed its way out from the inside.” Harlow’s jaw tightened. “That’s not in your archaeology textbooks.” “It wasn’t in any textbooks.” Eva’s green eyes locked onto the compass. “This isn’t just a tool. It’s a threshold. Think of it like a vessel with a candle inside. Light it and the wick burns the wood away. Only here the candle was a soul.” Harlow stood abruptly, her leather watch clicking against the case. She didn’t like the direction this was going. She didn’t like the way the shadows seemed to pool in the corners of her vision. She didn’t like that Eva wasn’t laughing, wasn’t calling her paranoid. Not this time. She walked toward the body. She didn’t need to look at the report again. DS Oliver had called it in: 22F, early twenties, found slumped against the emergency exit stairwell, skin tone ashen, pupils vertical slits in the dim light—cat’s eyes, they’d written. Cat’s eyes. Harlow crouched beside the young woman. No needle tracks. No defensive wounds. Not even bruises from a fall. The lips were cyanotic but the blue wasn’t concentrated in the fingertips like frostbite. It was woven *through* the skin, like shadows printed on a photograph left too long in developer. Harlow leaned closer. The pupils weren’t just vertical—they were *dilated* vertically, two narrow flicks of pupil against milky sclera. A sealed letter waiting to be opened. On the woman’s left wrist, inked in indigo that hadn’t yet faded, a spiral in three turns: a labyrinth without walls. Fresh. Not self-inflicted. The edges were still sharp, the ink wet enough that if Harlow breathed too hard, she swore she could catch the acrid tang of ritual ink—bone ash and pomegranate. She reached for her notebook without touching the mark. “Constable says no ID, no phone, no wallet,” Eva said from behind. “But she’s not a vagrant. Look at her nails. They’re filed into points. And the earlobes—see the stretch? That’s years of heavy silver.” Harlow didn’t answer. Her pen hovered over the page. The tattoo wasn’t just decoration. It was a *knot*. A way to anchor something that didn’t want to stay behind the curtain. Morris had one like it on his collarbone. Not a tattoo—burned in with a hot poker during the fire at St Dunstan’s. The coroner had called it post-mortem trauma. Harlow had kept the charred scrap of cloth with the spiral. She still had it in a sealed evidence bag in her locker. Eva’s satchel rustled as she unzipped it. “I need to get photos. And samples of the ink. If it’s alchemical base, we can trace it.” Harlow finally looked up. “You think it’s connected to the clique.” Eva adjusted her glasses. “I think it’s connected to *them that open doors*. The same signature’s on three other bodies in the last twelve months. All found within five hundred metres of abandoned stations. All on off-days. Not holidays—off days. Monday, Tuesday, Wednesday. When no one expects shifts in the old tunnels.” Harlow’s watch ticked. Cold sweat pricked beneath her collar. She’d filed those cases. Routine overdose. Accidental fentanyl. No foul play suspected. The bodies had been labelled “precinct fodder” by her superiors—clean cases, no overtime. She stood, boots crunching on something sharp. A fragment of bone token, no larger than a thumbnail. She picked it up between thumb and forefinger. The surface was polished smooth, bleached white, with a single line etched in charcoal: a door unlatched. “Token’s shattered,” she said. “But someone still got in.” Eva came beside her. “The Market doesn’t work like that. It needs the full token, presented to the right bone sliver in the right alignment. Or it rejects you. Burns the token from the inside out.” “The Market moves every full moon.” Harlow rolled the chip between her fingers. “But this one didn’t move. It stayed. Like it was waiting.” Eva’s hand clamped her shoulder—gentle but urgent. “Harlow. Listen. Something didn’t just walk through that door. Something was *pulled*. And when it got here, it didn’t stop. It spread.” Harlow looked down the platform. The emergency lights flickered, casting long shadows. Somewhere in the dark, water trickled down brick. The body lay still, but not at peace. The spiral on her wrist pulsed—once, faintly—like a heartbeat just below the threshold of hearing. She snapped her notebook shut. “Call the archives. Get me every occult text on spiral sigils. Latin, Greek, whatever pagan bastardry you’ve got. I want cross-references to indigo ink with bone ash base. And find out who’s minting fake bone tokens in Zone Four.” Eva pulled her satchel straps higher. “You really think it’s that organised?” Harlow looked at the compass again. The needle hung between two norths—human and other. “Evie. There’s a Market that sells souls underneath this city. You think a few counterfeit tokens are the problem?” She lowered her voice, watch catching the light like a blade unsheathed. “This is a summoning. And someone out there has been practising.” She turned toward the stairwell, boots hitting concrete in rhythm. Twelve days until the next full moon. Twelve days until the Market moved again. Twelve days for whatever had come through to get stronger. Or for Morris to come back.
created_at"2026-03-18T10:53:58.993Z" 3/18/2026, 10:53:58 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency413
moderation_latency(null)
generation_time34755
tokens_prompt923
tokens_completion4572
native_tokens_prompt887
native_tokens_completion3924
native_tokens_completion_images(null)
native_tokens_reasoning2477
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.00248745
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"8e0d82a617294bef95e283f8ef549999"
is_byokfalse
latency405
model_permaslug"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
provider_name"Mistral"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773831238-tuIP7D1s5CDC14KMqDCz"
upstream_id"8e0d82a617294bef95e283f8ef549999"
total_cost0.00248745
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags7
adverbTagCount0
adverbTags(empty)
dialogueSentences23
tagDensity0.304
leniency0.609
rawRatio0
effectiveRatio0
92.35% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1307
totalAiIsmAdverbs2
found
0
adverb"perfectly"
count1
1
adverb"really"
count1
highlights
0"perfectly"
1"really"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
57.92% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1307
totalAiIsms11
found
0
word"flickered"
count2
1
word"shimmered"
count1
2
word"pulse"
count1
3
word"fluttered"
count1
4
word"stomach"
count1
5
word"etched"
count2
6
word"weight"
count1
7
word"shattered"
count1
8
word"pulsed"
count1
highlights
0"flickered"
1"shimmered"
2"pulse"
3"fluttered"
4"stomach"
5"etched"
6"weight"
7"shattered"
8"pulsed"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences94
matches(empty)
66.87% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount4
hedgeCount1
narrationSentences94
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences110
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen67
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans7
markdownWords10
totalWords1292
ratio0.008
matches
0"inward"
1"sucked"
2"through"
3"dilated"
4"knot"
5"them that open doors"
6"pulled"
93.75% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions1
matches
0"The edges were still sharp, the ink wet enough that if Harlow breathed too hard, she swore she could catch the acrid tan…"
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions41
wordCount920
uniqueNames14
maxNameDensity1.63
worstName"Harlow"
maxWindowNameDensity3
worstWindowName"Harlow"
discoveredNames
Harlow15
Quinn1
Blitz1
Tube1
Met1
Camden1
Town1
Morris3
Eva10
Oliver1
St1
Dunstan1
Market1
Twelve3
persons
0"Harlow"
1"Quinn"
2"Met"
3"Morris"
4"Eva"
5"Oliver"
6"Dunstan"
7"Market"
places
0"Camden"
1"Town"
2"St"
globalScore0.685
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences64
glossingSentenceCount1
matches
0"looked like they’d been scribed by a hand"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1292
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences110
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs35
mean36.91
std30.08
cv0.815
sampleLengths
0131
16
23
316
495
576
66
711
86
982
109
1146
1248
135
1440
1575
1653
179
1835
1983
2025
2111
2252
2334
2442
259
2636
2724
2829
2943
3044
3112
3256
3334
346
90.33% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences94
matches
0"been scribed"
1"was woven"
2"were *dilated"
3"been labelled"
74.21% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs159
matches
0"was going"
1"wasn’t laughing"
2"wasn’t calling"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount14
semicolonCount1
flaggedSentences12
totalSentences110
ratio0.109
matches
0"The smell hit first—a reek of burnt copper and old wet earth—nothing she recognised from her twenty years on the force."
1"And there—spread out like a child’s forgotten toys—a scatter of items that made her stomach tighten: bundles of dried herbs tied with copper wire, flagons stoppered with wax that bled red, and in the centre, half-buried in grime, a brass compass the colour of a bruise, its face etched with sigils that looked like they’d been scribed by a hand that didn’t know fear."
2"The casing had the patina of verdigris but deeper, richer—something older than the green of copper."
3"The needle inside hadn’t settled; it juddered in place like a trapped thing."
4"DS Oliver had called it in: 22F, early twenties, found slumped against the emergency exit stairwell, skin tone ashen, pupils vertical slits in the dim light—cat’s eyes, they’d written."
5"The pupils weren’t just vertical—they were *dilated* vertically, two narrow flicks of pupil against milky sclera."
6"The edges were still sharp, the ink wet enough that if Harlow breathed too hard, she swore she could catch the acrid tang of ritual ink—bone ash and pomegranate."
7"Not a tattoo—burned in with a hot poker during the fire at St Dunstan’s."
8"The bodies had been labelled “precinct fodder” by her superiors—clean cases, no overtime."
9"Eva’s hand clamped her shoulder—gentle but urgent."
10"The spiral on her wrist pulsed—once, faintly—like a heartbeat just below the threshold of hearing."
11"The needle hung between two norths—human and other."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount938
adjectiveStacks1
stackExamples
0"inside thin black nitrile,"
adverbCount26
adverbRatio0.02771855010660981
lyAdverbCount5
lyAdverbRatio0.005330490405117271
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences110
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences110
mean11.75
std10.44
cv0.889
sampleLengths
030
121
222
310
420
52
69
717
86
93
1016
1121
1210
1364
149
1516
1613
175
185
195
2023
216
228
233
246
2535
2610
2737
283
296
3012
3134
3210
338
3416
3511
363
375
389
3929
402
416
423
433
446
4514
4617
473
4816
497
46.67% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats12
diversityRatio0.34545454545454546
totalSentences110
uniqueOpeners38
38.31% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences87
matches
0"Somewhere in the dark, water"
ratio0.011
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount22
totalSentences87
matches
0"It shimmered when she passed,"
1"She flexed her fingers inside"
2"She didn’t believe in overdoses"
3"She reached out, then stopped."
4"They were cracked *inward*, spirals"
5"She tapped a gloved finger"
6"She didn’t like the direction"
7"She didn’t like the way"
8"She didn’t like that Eva"
9"She walked toward the body."
10"She didn’t need to look"
11"It was woven *through* the"
12"She reached for her notebook"
13"Her pen hovered over the"
14"It was a *knot*."
15"She still had it in"
16"She’d filed those cases."
17"She stood, boots crunching on"
18"She picked it up between"
19"She snapped her notebook shut."
ratio0.253
74.94% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount67
totalSentences87
matches
0"Detective Harlow Quinn stepped over"
1"The smell hit first—a reek"
2"It shimmered when she passed,"
3"She flexed her fingers inside"
4"She didn’t believe in overdoses"
5"The platform stretched in both"
6"Caution tape fluttered where it"
7"Harlow crouched, her knees popping,"
8"The casing had the patina"
9"The needle inside hadn’t settled;"
10"She reached out, then stopped."
11"The sigils weren’t worn smooth."
12"They were cracked *inward*, spirals"
13"Eva’s voice came from behind,"
14"Harlow didn’t turn."
15"Eva knelt beside her, her"
16"She tapped a gloved finger"
17"Harlow’s jaw tightened."
18"Eva’s green eyes locked onto"
19"Harlow stood abruptly, her leather"
ratio0.77
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences87
matches(empty)
ratio0
53.57% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences32
technicalSentenceCount4
matches
0"Detective Harlow Quinn stepped over the police cordon like it was a suggestion, not a barrier, her polished shoes crunching on broken tiles that hadn’t seen day…"
1"Above, the ceiling of the abandoned Tube station flickered under streaks of emergency lighting, the bulbs coated in something that wasn’t dust."
2"And there—spread out like a child’s forgotten toys—a scatter of items that made her stomach tighten: bundles of dried herbs tied with copper wire, flagons stopp…"
3"They were cracked *inward*, spirals and star-points fracturing toward the centre like ice on a frozen lake that had been hit from underneath."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount0
fancyTags(empty)
dialogueSentences23
tagDensity0.087
leniency0.174
rawRatio0
effectiveRatio0
81.6532%