Run: 2026-10-07-01M4ASMN02BASTVYRTPEH1WPVY

Run Details

Duration:
22.5s
Cost:
$0.019353
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 beneath Camden reeked of damp and old pennies, the air thick with the kind of silence that pressed against the eardrums. Detective Harlow Quinn stepped over the yellowed police tape, her boots scuffing against the grimy tile. The beam of her torch cut through the gloom, illuminating the graffiti-scarred walls and the occasional scuttle of something unseen in the shadows. She adjusted the worn leather watch on her left wrist, the familiar weight a small comfort in the oppressive dark. The crime scene was wrong. Not just the location—though a murder in a disused Underground station was odd enough—but the details. The body lay sprawled near the edge of the platform, a man in a cheap suit, his tie still knotted tight despite the way his collar had been torn. His face was frozen in an expression of sheer terror, eyes wide, mouth stretched in a silent scream. But there was no blood. Not a drop. No wounds, no signs of struggle. Just the man, his skin pale as parchment, and the faintest scent of ozone clinging to the air. "Quinn." She didn’t turn. She knew that voice. "Morris would’ve hated this place," she said, her own voice steady, precise. "Too many corners. Too much dark." Detective Sergeant Jamie Cole—her new partner, though she still thought of him as Morris’s replacement—stepped up beside her, his torch flickering over the body. "Morris isn’t here," he said, not unkindly. "But we are. And this bloke didn’t just drop dead of a heart attack." Harlow crouched, her sharp jaw tightening as she examined the man’s hands. No defensive wounds. No dirt under the nails. Just clean, almost manicured fingers. "No signs of a fight. No blood. No weapon." She stood, rolling her shoulders. "What’s the cause of death, according to the ME?" "Pending," Cole said. "But the preliminary report says it looks like his heart just... stopped. Like he saw something that scared him to death." Harlow exhaled through her nose. "Superstitious nonsense." Cole shrugged. "You’re the one who’s been chasing the weird cases since Morris—" He cut himself off, but the words hung there anyway. Since Morris died. Harlow ignored the jab. She knew what they said about her. That she’d become obsessed. That she saw conspiracies where there were none. But she’d been there the night Morris died. She’d seen the things that didn’t make sense—the way the shadows had moved on their own, the way his body had been found with no injuries, just like this one. The official report had called it a heart attack, too. She turned away from the body, her torch sweeping the platform. The beam caught something near the edge—a small, brass object half-hidden beneath a crumpled newspaper. She crossed the platform in three strides, her military precision honed by years of service, and picked it up. The compass was cold in her palm, heavier than it looked. The casing was etched with intricate sigils, the metal worn smooth in places, a patina of verdigris creeping along the edges. The needle didn’t point north. It twitched, restless, as if searching for something just out of reach. "What’s that?" Cole asked, leaning in. Harlow didn’t answer at first. She turned the compass over in her hands, her brown eyes narrowing. The sigils weren’t just decoration. They were protective. Warding. She’d seen similar markings in Morris’s notes—the ones the department had dismissed as the ramblings of a man losing his grip. But Morris hadn’t been losing his grip. He’d been onto something. "It’s a compass," she said finally, her voice tight. "But not the kind you’d find in a hiking shop." Cole frowned. "You think this is connected?" Harlow didn’t answer. She was too busy staring at the way the needle had settled, pointing toward a dark alcove at the far end of the platform. The beam of her torch wavered as she moved it in that direction. The alcove was empty. Or it should have been. But the compass said otherwise. She took a step forward, then another, her boots echoing in the cavernous space. The air grew colder. The scent of ozone sharpened, like the moment before a storm. Cole followed, his hand resting on the baton at his belt. "Quinn, this is a dead end. Literally." She didn’t stop. The compass needle was steady now, unerring. It was pointing at the wall. At a section of the grimy tile that looked no different from the rest. Harlow reached out, her fingers brushing the surface. The wall was cold. Too cold. And then— Her fingers passed through. Not like a gap. Not like a hole. Like the wall itself was an illusion. A veil. She jerked her hand back, her pulse spiking. The compass needle spun wildly, then settled again, pointing into the darkness beyond the wall. Cole let out a low whistle. "Okay. That’s new." Harlow’s mind raced. This wasn’t just a crime scene. It was a threshold. The man hadn’t been murdered here. He’d been *found* here. And whatever had killed him had come from the other side of that wall. She thought of Morris. Of the way his case files had been filled with references to things that didn’t exist. Rifts. Portals. The Veil Market. She’d assumed it was all metaphor. But the compass in her hand was real. The wall that wasn’t a wall was real. "Quinn," Cole said, his voice uneasy. "We should call this in. Get a team down here. Maybe the forensics lads can—" "No." The word came out sharper than she intended. She softened it. "Not yet. We don’t know what we’re dealing with. If this is... if this is what I think it is, then we can’t just bring in a bunch of uniforms. They won’t understand. They’ll contaminate the scene. Or worse." Cole opened his mouth to argue, but something in her expression must have stopped him. He knew her history. Knew she didn’t scare easy. If Harlow Quinn was hesitant, then there was a reason. She took a deep breath, then reached into her coat pocket and pulled out a pair of latex gloves. She snapped them on, then, with a steadying breath, pushed her hand through the wall again. This time, she didn’t stop at the wrist. Her arm vanished up to the elbow. The cold was biting, like plunging into ice water. She gritted her teeth and forced her arm further, her fingers searching for something—anything—on the other side. Her fingertips brushed against something smooth. Solid. She wrapped her fingers around it and pulled. A small, flat object came through the wall with her hand. A token. Bone-white, etched with the same sigils as the compass. She turned it over in her palm, her mind clicking pieces into place. The Veil Market. Morris had mentioned it in his notes. A black market for the supernatural. Hidden. Moving. Accessible only to those who knew how to find it. And this—this token—was the key. Cole was staring at the token like it might bite him. "What the hell is that?" Harlow’s mind was racing. The man on the platform. The compass. The token. The wall that wasn’t a wall. It all fit. "This isn’t a crime scene," she said slowly. "It’s a dumping ground. This man wasn’t killed here. He was killed *there*." She gestured to the space beyond the wall. "And someone brought him back through and left him here to be found." Cole’s face paled. "You’re saying this bloke was murdered in... in *another dimension*?" Harlow didn’t answer. She was too busy staring at the token, at the way the compass needle now pointed directly at it. The Veil Market moved every full moon. That was what Morris’s notes had said. And the full moon was in three days. She closed her fingers around the token, the edges biting into her palm. This was it. The break in the case. The thing Morris had been searching for before he died. She could feel it, like the hum of a live wire. Cole was still talking, but his voice sounded distant, muffled. She tuned back in just in time to catch the tail end of his sentence. "...we can’t just *ignore* this." "We’re not ignoring it," she said, her voice firm. "But we’re not handling it the way the department would expect, either." She pocketed the token and the compass, her mind already working through the angles. "I need to talk to someone. Someone who knows about this kind of thing." Cole blinked. "You mean, like, a *consultant*?" Harlow almost smiled. Almost. "Something like that." She thought of Eva Kowalski. Aurora’s friend. The occult researcher. If anyone would know about the Veil Market, about rifts and tokens and compasses that didn’t point north, it would be her. And if Harlow was going to step into the world Morris had been investigating—the world that had gotten him killed—she needed all the information she could get. Cole was still frowning, but he nodded. "Alright. But we’re not keeping this from the brass forever. If this is some kind of... I don’t know, *interdimensional* murder, then we’re going to need backup." Harlow didn’t argue. She knew he was right. But backup wouldn’t come from the Met. Not for this. She turned back to the body, her torch flickering over the man’s frozen face. There was one more thing she needed to check. She crouched again, this time examining the man’s pockets. The first one was empty. The second held a wallet. She flipped it open. No cash. No cards. Just a single, business-sized card, tucked into one of the slots. She pulled it out. The card was plain, white, with a single line of text in the center. *Eva Kowalski, Research Assistant, British Museum.* Beneath it, a phone number. Harlow’s breath caught. This was no coincidence. The man had been carrying Eva’s card. Which meant Eva knew him. Or at least, he’d known her. Cole leaned in. "What’s that?" Harlow stood, tucking the card into her own pocket. "A lead." She took one last look at the body, at the wall that wasn’t a wall, at the compass now nestled safely in her coat. Then she turned on her heel and started toward the stairs that led back to the surface. Cole fell into step beside her, but she was already half a dozen steps ahead, her mind racing. The Veil Market. The token. The compass. Eva Kowalski. Morris hadn’t been crazy. And whatever had killed him was still out there. She adjusted her watch, the leather creaking softly. The game had changed. And Harlow Quinn played to win.
created_at"2026-10-07T09:03:18.028Z" 10/7/2026, 9:03:18 AM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency565
moderation_latency(null)
generation_time22478
tokens_prompt896
tokens_completion2634
native_tokens_prompt887
native_tokens_completion2403
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
service_tier"default"
usage0.019353
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791363798-LrRyO9BKz50LXVno1Hy2"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791363798-8PDieAZwbhOBpsBRCXgU"
upstream_id"898269951670497b8ce6fa080dec4d41"
provider_responses
0
endpoint_id"d21d316f-d540-4718-b36e-3beff85d0cf9"
id"898269951670497b8ce6fa080dec4d41"
is_byokfalse
latency565
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.019353
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
85.71% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags13
adverbTagCount2
adverbTags
0"she said finally [finally]"
1"she said slowly [slowly]"
dialogueSentences35
tagDensity0.371
leniency0.743
rawRatio0.154
effectiveRatio0.114
94.41% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1790
totalAiIsmAdverbs2
found
0
adverb"slowly"
count1
1
adverb"softly"
count1
highlights
0"slowly"
1"softly"
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)
58.10% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1790
totalAiIsms15
found
0
word"silence"
count1
1
word"gloom"
count1
2
word"familiar"
count1
3
word"weight"
count1
4
word"oppressive"
count1
5
word"etched"
count2
6
word"intricate"
count1
7
word"wavered"
count1
8
word"echoing"
count1
9
word"pulse"
count1
10
word"raced"
count1
11
word"racing"
count2
12
word"could feel"
count1
highlights
0"silence"
1"gloom"
2"familiar"
3"weight"
4"oppressive"
5"etched"
6"intricate"
7"wavered"
8"echoing"
9"pulse"
10"raced"
11"racing"
12"could feel"
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
narrationSentences187
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences187
filterMatches
0"watch"
hedgeMatches
0"started to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences209
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen39
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans7
markdownWords13
totalWords1777
ratio0.007
matches
0"found"
1"there"
2"another dimension"
3"ignore"
4"consultant"
5"interdimensional"
6"Eva Kowalski, Research Assistant, British Museum."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions15
unquotedAttributions0
matches(empty)
92.91% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions77
wordCount1489
uniqueNames19
maxNameDensity1.14
worstName"Harlow"
maxWindowNameDensity2
worstWindowName"Harlow"
discoveredNames
Tube1
Camden1
Harlow17
Quinn3
Underground1
Detective2
Sergeant1
Jamie1
Cole16
Morris11
Since1
Veil5
Market5
Eva5
Kowalski3
Met1
Research1
Assistant1
British1
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Sergeant"
4"Jamie"
5"Cole"
6"Morris"
7"Since"
8"Market"
9"Eva"
10"Kowalski"
places
0"Met"
globalScore0.929
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences97
glossingSentenceCount1
matches
0"as if searching for something just out of reach"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1777
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences209
matches
0"knew that voice"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs50
mean35.54
std24.11
cv0.679
sampleLengths
084
1100
21
325
445
548
624
77
826
971
1094
116
1258
1319
147
1554
1647
1746
184
1940
209
2137
2247
2321
2451
2534
2676
2750
2833
2916
3064
3113
3244
3342
3430
3549
367
377
3859
3934
4041
4142
4225
4325
445
4511
4659
479
4813
4918
92.13% Passive voice overuse
Target: ≤2% passive sentences
passiveCount7
totalSentences187
matches
0"been torn"
1"was frozen"
2"been found"
3"was etched"
4"been murdered"
5"been *found"
6"been filled"
38.06% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount6
totalVerbs247
matches
0"was pointing"
1"was biting"
2"was staring"
3"was racing"
4"was still talking"
5"was still frowning"
19.82% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount14
semicolonCount0
flaggedSentences9
totalSentences209
ratio0.043
matches
0"Not just the location—though a murder in a disused Underground station was odd enough—but the details."
1"Detective Sergeant Jamie Cole—her new partner, though she still thought of him as Morris’s replacement—stepped up beside her, his torch flickering over the body."
2"She’d seen the things that didn’t make sense—the way the shadows had moved on their own, the way his body had been found with no injuries, just like this one."
3"The beam caught something near the edge—a small, brass object half-hidden beneath a crumpled newspaper."
4"She’d seen similar markings in Morris’s notes—the ones the department had dismissed as the ramblings of a man losing his grip."
5"And then—"
6"She gritted her teeth and forced her arm further, her fingers searching for something—anything—on the other side."
7"And this—this token—was the key."
8"And if Harlow was going to step into the world Morris had been investigating—the world that had gotten him killed—she needed all the information she could get."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1506
adjectiveStacks1
stackExamples
0"single, business-sized card,"
adverbCount51
adverbRatio0.03386454183266932
lyAdverbCount8
lyAdverbRatio0.005312084993359893
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences209
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences209
mean8.5
std6.74
cv0.793
sampleLengths
025
116
223
320
45
516
629
718
85
93
106
1118
121
133
144
1512
166
1724
187
1914
2012
213
225
235
2414
259
263
2721
285
292
302
3121
323
334
347
354
368
378
3830
3910
4011
4115
4219
4311
4421
455
4612
476
485
4912
40.91% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats19
diversityRatio0.24401913875598086
totalSentences209
uniqueOpeners51
81.30% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences164
matches
0"Just the man, his skin"
1"Just clean, almost manicured fingers."
2"Just a single, business-sized card,"
3"Then she turned on her"
ratio0.024
88.29% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount54
totalSentences164
matches
0"She adjusted the worn leather"
1"His face was frozen in"
2"She didn’t turn."
3"She knew that voice."
4"she said, her own voice"
5"he said, not unkindly"
6"She stood, rolling her shoulders"
7"He cut himself off, but"
8"She knew what they said"
9"She’d seen the things that"
10"She turned away from the"
11"She crossed the platform in"
12"It twitched, restless, as if"
13"She turned the compass over"
14"They were protective."
15"She’d seen similar markings in"
16"He’d been onto something."
17"she said finally, her voice"
18"She was too busy staring"
19"She took a step forward,"
ratio0.329
72.80% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount127
totalSentences164
matches
0"The abandoned Tube station beneath"
1"Detective Harlow Quinn stepped over"
2"The beam of her torch"
3"She adjusted the worn leather"
4"The crime scene was wrong."
5"The body lay sprawled near"
6"His face was frozen in"
7"She didn’t turn."
8"She knew that voice."
9"she said, her own voice"
10"Detective Sergeant Jamie Cole—her new"
11"he said, not unkindly"
12"Harlow crouched, her sharp jaw"
13"She stood, rolling her shoulders"
14"Harlow exhaled through her nose."
15"He cut himself off, but"
16"Harlow ignored the jab."
17"She knew what they said"
18"That she’d become obsessed."
19"That she saw conspiracies where"
ratio0.774
60.98% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences164
matches
0"If Harlow Quinn was hesitant,"
1"If anyone would know about"
ratio0.012
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences54
technicalSentenceCount1
matches
0"It twitched, restless, as if searching for something just out of reach."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags13
uselessAdditionCount7
matches
0"she said, her own voice steady, precise"
1"he said, not unkindly"
2"He cut, but the words hung there anyway"
3"she said finally, her voice tight"
4"Cole said, his voice uneasy"
5"she said, her voice firm"
6"She pocketed, her mind already working through the angles"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount0
fancyTags(empty)
dialogueSentences35
tagDensity0.229
leniency0.457
rawRatio0
effectiveRatio0
83.9811%