Run: 2026-02-20-01KHXPZSKX4WF2FVYQMCW12SQH

Run Details

Duration:
36.4s
Cost:
$0.003097
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 abandoned Tube station smelled of damp concrete and rust, the kind of scent that clung to the back of your throat like a bad memory. Detective Harlow Quinn stepped over the police tape, her boots scuffing against the cracked tiles of what had once been Camden Town station. The overhead lights flickered, casting long shadows that stretched and shrank like living things. She adjusted the worn leather watch on her left wrist, its strap loose from years of use, and exhaled through her nose. "Alright, Walker. What’ve we got?" Detective Sergeant Walker turned from the body, his face pale under the artificial light. He was young, still had that eager shine to him, the kind of cop who thought he could outrun the rot of the job if he just worked hard enough. Quinn had seen it before. She’d been that cop once. "Male, mid-thirties," Walker said, gesturing to the corpse sprawled across the tracks. "No ID, no wallet, nothing. Looks like he took a header onto the rails, but—" "But?" Quinn crouched beside the body, her sharp jaw tightening as she took in the details. The man’s limbs were splayed at unnatural angles, his fingers curled into claws. His skin had a grayish tint, like old parchment, and his lips were pulled back in a rictus grin. Not the face of a man who’d gone peacefully. "But the coroner’s initial take is that he didn’t die from the fall," Walker said. "No broken bones, no trauma consistent with impact. Just… dead." Quinn reached into her coat pocket and pulled on a pair of nitrile gloves, the snap of the latex loud in the silence. She pressed her fingers to the man’s neck, then his wrist. The skin was cold, but not in the way it should’ve been. Not the clammy chill of a fresh corpse. This was different. Like touching a stone that had been left in the shade for hours. "Time of death?" she asked. "ME’s estimating between midnight and two AM. But here’s the thing—" Walker hesitated, then pointed to the man’s left hand. "His fingers. Look." Quinn did. The man’s index finger was blackened at the tip, the skin charred as if he’d pressed it to a hot stove. But the burn wasn’t fresh. It was old. Days old, maybe longer. "Didn’t happen here," she murmured. "Nope." Walker shifted his weight, his shoes squeaking against the tile. "And there’s this." He reached into an evidence bag and pulled out a small brass compass, its casing dull with verdigris. The needle spun lazily, as if caught in a breeze no one else could feel. Quinn’s stomach tightened. She knew this thing. Had seen one just like it in a case file three years ago, back when Morris was still alive. Back when she still believed in things like logic and procedure. "Where’d you find it?" she asked, keeping her voice steady. "Clutched in his hand. Like he was using it right before he died." Quinn took the compass, turning it over in her gloved fingers. The face was etched with strange symbols, sigils that made her eyes ache if she looked at them too long. She’d seen enough occult nonsense in her time to know this wasn’t some tourist trinket. "Boss?" Walker’s voice was hesitant. "You ever seen something like this before?" Quinn pocketed the compass before he could protest. "No." Walker blinked. "But—" "But nothing. We treat this like any other suspicious death. Secure the scene, canvass the area, see if anyone saw this guy before he ended up here." She stood, brushing dust from her knees. "And Walker?" "Yeah?" "Don’t mention the compass to anyone else. Not yet." Walker opened his mouth, then closed it. Nodded. "Right. Got it." Quinn turned away, her mind already racing. The compass was a problem. A big one. Because the last time she’d seen one, Morris had been alive. And then he hadn’t been. --- The station’s old ticket booth had been repurposed as a makeshift command center, its glass windows cracked and grimy. Quinn leaned against the counter, flipping through the victim’s preliminary tox screen. Nothing. No drugs, no alcohol, no obvious poisons. Just a man who’d died for no good reason. Walker was outside, coordinating with the uniforms. Quinn could hear his voice through the glass, sharp with authority. Good. Let him play the eager rookie for a while. She needed space to think. She pulled the compass out again, setting it on the counter. The needle spun in slow circles, never settling. She tapped it with her finger. Nothing. No reaction. Just a hunk of metal that shouldn’t exist. A shadow fell across the booth’s doorway. "Detective Quinn." Quinn didn’t look up. "Eva." Eva Kowalski stepped inside, her round glasses catching the light as she adjusted them. Her curly red hair was tucked behind her left ear—a nervous habit Quinn had noticed before. The leather satchel slung over her shoulder was stuffed with books, the spines cracked from use. "Walker said you were down here," Eva said. "Thought I’d check in." Quinn finally looked at her. Eva was Aurora’s friend, which made her a person of interest by default. But she was also the closest thing Quinn had to an expert on the weird shit that kept cropping up in her cases. "You know what this is?" Quinn asked, nudging the compass with her finger. Eva’s freckled face went still. She stepped closer, her breath hitching as she took in the sigils. "Where did you get this?" "Victim had it on him. You recognize it?" Eva reached out, then hesitated. "May I?" Quinn nodded. Eva picked up the compass, turning it over in her hands. Her fingers traced the sigils, her lips moving silently. Then she set it down with a sharp *click*. "This is a Veil Compass," she said. "It’s attuned to supernatural energy. Points toward the nearest rift or portal." Quinn’s pulse kicked up. "And where’s the nearest rift?" Eva’s green eyes flicked to hers. "You don’t want to know." "Try me." Eva exhaled, tucking her hair behind her ear again. "The Veil Market. It’s a black market for supernatural goods. Moves locations every full moon. Last I heard, it was beneath Camden." Quinn’s stomach dropped. "Beneath Camden." "Yeah. Why?" Quinn didn’t answer. She was too busy remembering the last time she’d been beneath Camden. The last time she’d seen Morris alive. Eva must’ve seen something in her face because she leaned forward, her voice dropping. "Quinn, what is it?" Quinn shook her head. "Nothing. Just… bad memories." Eva studied her for a long moment, then reached into her satchel. She pulled out a book—old, leather-bound, the pages yellowed with age. She flipped it open to a marked page and set it on the counter. "Three years ago," Eva said quietly. "A detective died down here. DS Morris. Your partner." Quinn’s hands curled into fists. "What’s your point?" "My point is that Morris didn’t die in a shootout like the official report says. He died because he got too close to something he shouldn’t have." Eva tapped the page. "Something like this." Quinn looked down. The book was open to an illustration of a compass, identical to the one on the counter. Beneath it, in cramped, spidery script, were the words: *The Veil Compass. A guide for the lost. A death sentence for the unprepared.* Quinn’s throat went dry. Eva closed the book. "This isn’t just a murder, Quinn. It’s a warning." Quinn wanted to argue. Wanted to tell Eva she was jumping at shadows, that the world wasn’t some cheap horror story. But the compass was still spinning on the counter, its needle twitching like a living thing. And Quinn knew, with a cold certainty, that Eva was right.
created_at"2026-02-20T14:24:17.03Z" 2/20/2026, 2:24:17 PM
model"mistralai/mistral-large-2512" 1/1/2512, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency526
moderation_latency(null)
generation_time36320
tokens_prompt923
tokens_completion2008
native_tokens_prompt875
native_tokens_completion1773
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached112
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"
usage0.003097
router(null)
provider_responses
0
endpoint_id"fa718841-07ea-4b7e-b8a3-6069545c7e6a"
id"e3b3a7a958cc4bf3bb0c6f6f5adcafed"
is_byokfalse
latency526
model_permaslug"mistralai/mistral-large-2512" 1/1/2512, 12:00:00 AM
provider_name"Mistral"
status200
api_type"completions"
id"gen-1771597457-xTiGMt8PxgqYrP6RJTHi"
upstream_id"e3b3a7a958cc4bf3bb0c6f6f5adcafed"
total_cost0.003097
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
totalTags14
adverbTagCount2
adverbTags
0"Walker hesitated then [then]"
1"Eva said quietly [quietly]"
dialogueSentences47
tagDensity0.298
leniency0.596
rawRatio0.143
effectiveRatio0.085
96.16% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1301
totalAiIsmAdverbs1
found
0
adverb"lazily"
count1
highlights
0"lazily"
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)
53.88% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1301
totalAiIsms12
found
0
word"flickered"
count1
1
word"silence"
count1
2
word"chill"
count1
3
word"weight"
count1
4
word"could feel"
count1
5
word"stomach"
count2
6
word"etched"
count1
7
word"racing"
count1
8
word"traced"
count1
9
word"pulse"
count1
10
word"flicked"
count1
highlights
0"flickered"
1"silence"
2"chill"
3"weight"
4"could feel"
5"stomach"
6"etched"
7"racing"
8"traced"
9"pulse"
10"flicked"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"stomach dropped/sank"
count1
highlights
0"stomach dropped"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences110
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences110
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences142
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen34
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords15
totalWords1297
ratio0.012
matches
0"click"
1"The Veil Compass. A guide for the lost. A death sentence for the unprepared."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions15
unquotedAttributions0
matches(empty)
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions63
wordCount1007
uniqueNames13
maxNameDensity2.58
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Quinn"
discoveredNames
Tube1
Harlow1
Quinn26
Camden2
Town1
Sergeant1
Walker9
Morris3
Kowalski1
Aurora1
Eva15
Veil1
Compass1
persons
0"Harlow"
1"Quinn"
2"Sergeant"
3"Walker"
4"Morris"
5"Kowalski"
6"Aurora"
7"Eva"
8"Compass"
places
0"Camden"
1"Town"
globalScore0.209
windowScore0.167
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences68
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1297
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences142
matches
0"been that cop"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs60
mean21.62
std18.37
cv0.85
sampleLengths
085
15
254
327
457
525
670
75
823
935
105
1114
1233
1337
1410
1513
1646
1712
189
193
2036
211
229
2311
2431
251
2648
2733
2836
297
302
315
3246
3312
3441
3513
3622
378
387
392
4029
4119
429
4311
442
4531
465
472
4822
4918
82.93% Passive voice overuse
Target: ≤2% passive sentences
passiveCount7
totalSentences110
matches
0"were splayed"
1"were pulled"
2"been left"
3"was blackened"
4"was etched"
5"been repurposed"
6"was tucked"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs184
matches
0"was jumping"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences2
totalSentences142
ratio0.014
matches
0"Her curly red hair was tucked behind her left ear—a nervous habit Quinn had noticed before."
1"She pulled out a book—old, leather-bound, the pages yellowed with age."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1011
adjectiveStacks0
stackExamples(empty)
adverbCount36
adverbRatio0.03560830860534125
lyAdverbCount6
lyAdverbRatio0.005934718100890208
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences142
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences142
mean9.13
std6.71
cv0.735
sampleLengths
026
123
214
322
45
514
630
75
85
912
1015
1116
1213
1319
149
1515
1610
1723
1811
1912
208
213
2213
235
2420
253
262
2721
285
293
304
315
3211
333
3418
3515
363
374
3819
3911
4010
4113
4211
4320
4415
455
467
478
481
492
54.46% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.352112676056338
totalSentences142
uniqueOpeners50
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences97
matches
0"Just a man who’d died"
1"Just a hunk of metal"
2"Then she set it down"
ratio0.031
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount20
totalSentences97
matches
0"She adjusted the worn leather"
1"He was young, still had"
2"She’d been that cop once."
3"His skin had a grayish"
4"She pressed her fingers to"
5"It was old."
6"He reached into an evidence"
7"She knew this thing."
8"she asked, keeping her voice"
9"She’d seen enough occult nonsense"
10"She stood, brushing dust from"
11"She needed space to think."
12"She pulled the compass out"
13"She tapped it with her"
14"Her curly red hair was"
15"She stepped closer, her breath"
16"Her fingers traced the sigils,"
17"She was too busy remembering"
18"She pulled out a book—old,"
19"She flipped it open to"
ratio0.206
47.63% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount80
totalSentences97
matches
0"The abandoned Tube station smelled"
1"Detective Harlow Quinn stepped over"
2"The overhead lights flickered, casting"
3"She adjusted the worn leather"
4"Detective Sergeant Walker turned from"
5"He was young, still had"
6"Quinn had seen it before."
7"She’d been that cop once."
8"Walker said, gesturing to the"
9"Quinn crouched beside the body,"
10"The man’s limbs were splayed"
11"His skin had a grayish"
12"Quinn reached into her coat"
13"She pressed her fingers to"
14"The skin was cold, but"
15"This was different."
16"Walker hesitated, then pointed to"
17"The man’s index finger was"
18"It was old."
19"Days old, maybe longer."
ratio0.825
51.55% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences97
matches
0"Because the last time she’d"
ratio0.01
91.84% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences42
technicalSentenceCount3
matches
0"The abandoned Tube station smelled of damp concrete and rust, the kind of scent that clung to the back of your throat like a bad memory."
1"The overhead lights flickered, casting long shadows that stretched and shrank like living things."
2"Eva was Aurora’s friend, which made her a person of interest by default."
53.57% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags14
uselessAdditionCount2
matches
0"Quinn crouched, her sharp jaw tightening as she took in the details"
1"Walker shifted, his shoes squeaking against the tile"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags9
fancyCount1
fancyTags
0"she murmured (murmur)"
dialogueSentences47
tagDensity0.191
leniency0.383
rawRatio0.111
effectiveRatio0.043
88.2894%