Run: 2026-03-18-01KM095PD8SAGB611Q1XAE4GB4

Run Details

Duration:
31.8s
Cost:
$0.002727
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
The air smelled of damp concrete and something older, something that prickled the back of her throat. Quinn adjusted the strap of her evidence bag and stepped over the threshold of the abandoned Tube station, her worn leather watch catching the dim light as she flexed her fingers. The platform stretched before her, its tiled walls peeling in long strips that curled like dead skin. Hollow-eyed advertisements for long-cancelled services stared down at her. But it wasn’t the decay that made her jaw tighten—it was the *absence* of decay. The usual stench of mildew was overlaid with something metallic, rich, like copper and iron mixed with the faintest hint of ozone. Her nostrils flared once, testing the air. Blood. Not old enough to have turned sweet. Not fresh enough to spatter the walls. She followed the crisscrossing lines of faint white chalk along the platform’s edge. Haphazard protective sigils, half-erased by boot prints. Someone had clearly panicked. The officers called in scene security might as well have been blindfolded for all the good their chalk had done. “You’re late.” Quinn didn’t turn. She knew that voice—Eva’s, soft with the faintest tremor beneath the dry wit. She kept her eyes scanning the platform, her boots clicking against the cracked tiles. “I had to run a background on a bartender in Soho before someone decided the Veil Market was a tourist destination.” She exhaled through her nose. “You weren’t supposed to be on scene.” “Someone had to make sure your rigid little procedures didn’t trample evidence that *isn’t* admissible in court.” Quinn finally pivoted, her sharp eyes locking onto Eva. Curly red hair tucked behind round glasses, a worn leather satchel slung low across her chest like a barrier between her and the world. Eva looked exactly as she had the last time Quinn had seen her—except for the dark smudges beneath her eyes and the way her fingers kept tapping against the strap of her satchel, a nervous tic she’d had since childhood. That, at least, was familiar. “You look like hell,” Quinn said. Eva touched her hair self-consciously, tucking a curl behind her left ear. “It’s been a day.” “Start talking.” Eva gestured toward the tunnel mouth, its arch lined with once-bright tiles now bleached by decades of damp. “Victim’s in there. Male. Late twenties, maybe early thirties. Found by a night watchman from the lock-up across the way. He said he heard screaming around midnight, but when he came to check, the platform was empty except for the body.” She paused, then added, “The locking mechanisms on the emergency exit were cold. No forced entry. Not unless you count *magical* forced entry.” Quinn’s gaze flicked to the tunnel. Her boots made little sound on the concrete as she moved toward it, Eva falling into step beside her. “You’re saying someone jumped the bone token?” “Either that or the Market moved without them knowing. But the Market doesn’t usually... *resettle* mid-cycle.” Eva’s voice was tight, professional—until she swallowed. “Besides, look at the ground. Localized frost. Someone didn’t just walk through. They *appeared*.” Quinn stepped into the tunnel. The air turned colder, sharper. Frost glittered along the rail tracks like scattered diamonds, though the temperature outside had been mild. She crouched, running a gloved finger along the edge of a frozen puddle. The ice wasn’t thick enough to crack. Thin layers stacked like plates. Recent. Deliberate. And beneath the frost, something dark pooled in the throat of the tunnel, half-hidden beneath a sodden newspaper. Blood. Not sticky. Not clotted. Still wet. Quinn stood slowly, her knee joints popping. “He didn’t come in through the platform entrance. Not alive.” Eva nodded, her fingers absentmindedly tapping her satchel again. “There’s something off about the wound. It’s too clean. No hesitation marks. No defensive injuries. But the blood trail stops here.” Quinn stepped closer to the body, her eyes scanning, absorbing. Male. Lean build. Torn shirt—expensive wool, now stained. Dark hair matted with blood, plastered to a pale forehead. The wound was a single incision across the throat, too precise for frenzy. Like a rite. But it wasn’t the cut that made Quinn’s pulse hum. It was the *lack* of reaction in the body. The skin wasn’t gray. It wasn’t clammy. It was *warm*. As if he’d only just been killed. As if the blood hadn’t had time to settle. She knelt again, this time without gloves. One hand hovered near the victim’s mouth and nose. No mist. But she pressed her fingers to the neck beneath the wound. A spark. A faint, subdermal electric hum—like touching a charged wire too lightly. She pulled back sharply. Eva’s breath hitched. “You felt that?” Quinn wiped her fingers on the thigh of her trousers. “What the hell was that?” “Residual magic.” Eva’s voice was barely above a whisper. “Recent. Potent. Someone didn’t just kill him. They *anchored* him here.” Quinn glanced at her. “Anchored?” Eva unclasped her satchel and pulled out a worn moleskine notebook, flipping to a page covered in sketches—warding symbols, ritual circles, diagrams of blood flow. “In some traditions, you don’t just kill a person. You bind their soul to a location. Creates a psychic echo. A witness. A memory trap.” She tapped the page. “This looks like a Severance Circle. Ancient. Mesopotamian derivation. Used to trap souls in liminal spaces.” Quinn frowned. “Souls don’t come back.” “They *don’t leave*. And if someone walks into that space... they start seeing things. Hearing things. The dead don’t stay dead here.” Quinn’s gaze flicked back to the body. “So he’s not dead dead?” Eva exhaled. “He’s somewhere in between. His spirit’s tethered to this tunnel. And something—or someone—is using that tether.” Quinn crouched again, this time prying open the victim’s eyelids with a gloved finger. The eyes were wide, glassy—but not lifeless. There was a faint glimmer, like reflected starlight trapped in ice. Then she saw it. Beneath the blood, along the jawline, etched into the skin in faint silver lines barely visible against the pallor: a symbol. Three interlocking crescents—moon phases reversed. A sigil of unmaking. Quinn’s jaw tightened. “This isn’t just a murder. It’s a message.” Eva leaned in, her glasses fogging slightly. “Or a warning.” Quinn stood abruptly, her boot crushing a piece of frost near the tracks. It didn’t crack. It *absorbed* into the sole of her shoe, leaving no trace. “Damn.” Eva looked up. “What?” “Ground’s drinking the evidence.” Quinn stepped back, scanning the tunnel. “No prints. No fibres. Just frost and silence.” She pulled out her radio, keyed the mic. “Quinn to Dispatch. Need SOCO team with trace extraction protocols for low-temp, high-magic zones. And tell them to bring dry ice and chalk resistant to paranormal disruption.” Static crackled. Then, a voice: “Copy, Detective. ETA twenty.” Quinn clipped the radio back onto her belt. She turned to Eva, her brown eyes sharp as flint. “You said the Market doesn’t move mid-cycle.” Eva shifted her weight. “No. It doesn’t.” “But someone moved it tonight.” Eva’s freckles stood out stark against her pale face. “Or *pulled* it open.” Quinn’s watch gave a faint, metallic chime. She looked down. The face etched with protective sigils—her father’s old pocket watch, repurposed into a Veil Compass by some artisan in the Market months ago. The needle was spinning wildly. Not pointing at the victim. Pointing *into the tunnel*. Toward something deeper. Something alive. Quinn unholstered her pistol. “Evie. Get behind me. Now.” Eva didn’t argue. She slid behind Quinn’s broad frame, her breath shallow, her satchel clutched tight. The tunnel stretched ahead, its darkness no longer just absence—but a presence. Something was coming. And it had been *waiting*.
created_at"2026-03-18T10:51:57.237Z" 3/18/2026, 10:51:57 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency402
moderation_latency(null)
generation_time31714
tokens_prompt923
tokens_completion5081
native_tokens_prompt887
native_tokens_completion4323
native_tokens_completion_images(null)
native_tokens_reasoning2933
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"
usage0.00272685
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"99ba2960ab1b4bec804ba8eb01b53c78"
is_byokfalse
latency393
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-1773831117-srRSd6ROSi4TDsn6vwwP"
upstream_id"99ba2960ab1b4bec804ba8eb01b53c78"
total_cost0.00272685
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
91.89% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags7
adverbTagCount2
adverbTags
0"She paused then [then]"
1"Quinn stepped back [back]"
dialogueSentences37
tagDensity0.189
leniency0.378
rawRatio0.286
effectiveRatio0.108
80.56% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1286
totalAiIsmAdverbs5
found
0
adverb"slowly"
count1
1
adverb"lightly"
count1
2
adverb"sharply"
count1
3
adverb"barely above a whisper"
count1
4
adverb"slightly"
count1
highlights
0"slowly"
1"lightly"
2"sharply"
3"barely above a whisper"
4"slightly"
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)
37.79% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1286
totalAiIsms16
found
0
word"scanning"
count3
1
word"familiar"
count1
2
word"flicked"
count2
3
word"pulse"
count1
4
word"electric"
count1
5
word"charged"
count1
6
word"whisper"
count1
7
word"echo"
count1
8
word"etched"
count2
9
word"silence"
count1
10
word"weight"
count1
11
word"stark"
count1
highlights
0"scanning"
1"familiar"
2"flicked"
3"pulse"
4"electric"
5"charged"
6"whisper"
7"echo"
8"etched"
9"silence"
10"weight"
11"stark"
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
narrationSentences109
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount0
narrationSentences109
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences137
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen65
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans13
markdownWords16
totalWords1274
ratio0.013
matches
0"absence"
1"isn’t"
2"magical"
3"resettle"
4"appeared"
5"lack"
6"warm"
7"anchored"
8"don’t leave"
9"absorbed"
10"pulled"
11"into the tunnel"
12"waiting"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions45
wordCount899
uniqueNames7
maxNameDensity2.45
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Quinn"
discoveredNames
Tube1
Eva18
Quinn22
Static1
Veil1
Compass1
Market1
persons
0"Eva"
1"Quinn"
2"Static"
places
0"Veil"
1"Market"
globalScore0.276
windowScore0.167
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences59
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1274
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences137
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs54
mean23.59
std25.01
cv1.06
sampleLengths
0133
144
22
363
417
578
66
716
82
982
1032
1137
1253
1325
1417
1530
1644
1710
189
1926
2042
214
226
2315
2420
255
2670
276
2822
2912
3018
3132
324
3330
3411
3510
3627
371
384
3953
409
4125
427
435
4413
4538
465
474
485
499
95.61% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences109
matches
0"was overlaid"
1"been blindfolded"
2"been killed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs160
matches
0"was spinning"
1"was coming"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount11
semicolonCount0
flaggedSentences11
totalSentences137
ratio0.08
matches
0"But it wasn’t the decay that made her jaw tighten—it was the *absence* of decay."
1"She knew that voice—Eva’s, soft with the faintest tremor beneath the dry wit."
2"Eva looked exactly as she had the last time Quinn had seen her—except for the dark smudges beneath her eyes and the way her fingers kept tapping against the strap of her satchel, a nervous tic she’d had since childhood."
3"“Either that or the Market moved without them knowing. But the Market doesn’t usually... *resettle* mid-cycle.” Eva’s voice was tight, professional—until she swallowed."
4"Torn shirt—expensive wool, now stained."
5"A faint, subdermal electric hum—like touching a charged wire too lightly."
6"Eva unclasped her satchel and pulled out a worn moleskine notebook, flipping to a page covered in sketches—warding symbols, ritual circles, diagrams of blood flow."
7"The eyes were wide, glassy—but not lifeless."
8"Three interlocking crescents—moon phases reversed."
9"The face etched with protective sigils—her father’s old pocket watch, repurposed into a Veil Compass by some artisan in the Market months ago."
10"The tunnel stretched ahead, its darkness no longer just absence—but a presence."
89.79% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount915
adjectiveStacks1
stackExamples
0"faint, subdermal electric hum—like"
adverbCount41
adverbRatio0.04480874316939891
lyAdverbCount15
lyAdverbRatio0.01639344262295082
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences137
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences137
mean9.3
std8.64
cv0.929
sampleLengths
017
131
217
39
415
522
67
71
87
97
1013
117
124
1320
142
153
1613
1714
1826
197
2017
219
2224
2340
245
256
2612
274
282
2918
3064
316
3219
337
3423
3514
365
375
3816
3913
407
415
421
431
4418
451
462
472
482
497
62.29% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.40875912408759124
totalSentences137
uniqueOpeners56
71.68% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences93
matches
0"Then she saw it."
1"Then, a voice:"
ratio0.022
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount20
totalSentences93
matches
0"Her nostrils flared once, testing"
1"She followed the crisscrossing lines"
2"She knew that voice—Eva’s, soft"
3"She kept her eyes scanning"
4"She exhaled through her nose"
5"She paused, then added"
6"Her boots made little sound"
7"She crouched, running a gloved"
8"It was the *lack* of"
9"It wasn’t clammy."
10"It was *warm*."
11"She knelt again, this time"
12"She pulled back sharply."
13"She tapped the page"
14"It didn’t crack."
15"It *absorbed* into the sole"
16"She pulled out her radio,"
17"She turned to Eva, her"
18"She looked down."
19"She slid behind Quinn’s broad"
ratio0.215
89.03% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount69
totalSentences93
matches
0"The air smelled of damp"
1"Quinn adjusted the strap of"
2"The platform stretched before her,"
3"The usual stench of mildew"
4"Her nostrils flared once, testing"
5"She followed the crisscrossing lines"
6"Haphazard protective sigils, half-erased by"
7"Someone had clearly panicked."
8"The officers called in scene"
9"Quinn didn’t turn."
10"She knew that voice—Eva’s, soft"
11"She kept her eyes scanning"
12"She exhaled through her nose"
13"Quinn finally pivoted, her sharp"
14"Eva looked exactly as she"
15"That, at least, was familiar."
16"Eva touched her hair self-consciously,"
17"Eva gestured toward the tunnel"
18"She paused, then added"
19"Quinn’s gaze flicked to the"
ratio0.742
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences93
matches
0"As if he’d only just"
1"As if the blood hadn’t"
ratio0.022
40.82% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences35
technicalSentenceCount5
matches
0"The air smelled of damp concrete and something older, something that prickled the back of her throat."
1"But it wasn’t the decay that made her jaw tighten—it was the *absence* of decay."
2"She kept her eyes scanning the platform, her boots clicking against the cracked tiles."
3"Quinn stepped closer to the body, her eyes scanning, absorbing."
4"But it wasn’t the cut that made Quinn’s pulse hum."
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
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences37
tagDensity0.027
leniency0.054
rawRatio0
effectiveRatio0
85.8710%