Run: 2026-04-25-01KQ2DWT65HDZG1NQ027GXP2DE

Run Details

Duration:
37.5s
Cost:
$0.000771
Provider:
DeepSeek

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 down here tasted wrong. Stale and metallic, with an undertone of something floral that didn't belong in an abandoned Tube station. Detective Harlow Quinn paused at the bottom of the escalator, her hand resting on the worn leather of her watch as she let her eyes adjust to the gloom. Emergency lighting had been rigged along the tunnel—portable floods on tripods that cast hard shadows and made everything look like a crime scene photograph. Which, technically, it was. She stepped over a coil of cable and nodded at the uniformed officer by the ticket barriers, a young constable whose face had gone the colour of old porridge. “Pathologist en route?” Quinn asked. “Ten minutes out, Detective. Maybe fifteen with the traffic.” The constable gestured with his chin toward the platform. “The other one’s already here. Said you’d want her.” Quinn didn’t bother asking who. There was only one civilian who’d beat her to a scene like this. She walked past him, her boots crunching on debris—broken tile, a crushed polystyrene cup, something that might have been a bone token but she didn’t stoop to check. The platform opened out before her, cavernous and cold. The old advertising boards along the walls showed peeling posters for theatre shows that had closed before she was born. A train hadn’t run through here in decades. And yet someone had found their way down. Someone had died down here. Eva Kowalski stood near the edge of the platform, her round glasses catching the light from a floodlamp. Her red curls were escaping from a messy ponytail, and her leather satchel was open on the tiles beside her, spilling reference books like entrails. She was tucking a strand of hair behind her left ear—the nervous habit Quinn had catalogued the first time they’d met, eighteen months ago, at a briefing that should never have included a museum research assistant. “Eva.” Quinn’s voice carried in the empty space. Eva looked up. Her green eyes were sharp behind the lenses, unblinking. “Detective. I was starting to think you’d gone to the wrong station.” “The dispatch said Camden Town. They didn’t mention the abandoned basement.” “That’s the point. These markets don’t advertise.” Quinn stopped a few feet away and looked down at the body. It was a man, mid-forties, dressed in a beige raincoat that looked expensive despite the grime. He was lying on his back, arms at his sides, his head turned slightly to the left. No obvious wounds. No blood. His face was slack, almost peaceful, as if he’d lain down for a nap and simply never woken up. But his chest was wrong. The raincoat was unbuttoned. Beneath it, his shirt had been torn open—not ripped, but cut, cleanly, along a line from collarbone to navel. And on his sternum, pressed into the skin as if it had been branded there, was a circle of faint grey discolouration. Quinn crouched, her knees cracking, and studied it. “What am I looking at?” Eva moved closer, her satchel scraping along the tiles. “The victim is Marcus Fews. Alchemical antiquities dealer. Known to operate out of the Veil Market when it’s running. He’s been on the Museum’s watch list for years—selling items that shouldn’t have reached the open market. Stolen artefacts, some of them genuinely dangerous.” “Dead before the Market moved again?” “The Market relocated two nights ago. I think he was killed here during the shift, and the body was only found when the new location stabilised this morning. A vendor came in to set up and found him.” Quinn looked around. The platform was littered with the detritus of a pop-up market—collapsible tables, empty crates, a few stray tarpaulins. But there were no signs of struggle. No overturned displays. No blood spatter. “No weapon,” she said. “No wounds. What killed him?” “That’s the thing.” Eva dropped to a crouch beside her, her freckled face intent. She pointed at the grey mark on Fews’ chest. “Have you ever seen a sigil like this before?” Quinn studied it. A circle, about the size of a palm. Inside it, interlocking lines that seemed to move if she stared too long. Not a brand. Something else. “Can’t say I have. Enlighten me.” “It’s a draining sigil. Thaumic extraction. I’ve seen references in texts from the sixteenth century—alchemists who believed they could distill life force the same way they distilled mercury. The symbol’s modified, but the principles are the same.” Eva’s voice was low, careful. “It doesn’t cut. It pulls. It draws the vitality out of a living being through the skin. There would be no external trauma. No blood. The heart would simply stop.” Quinn straightened and turned in a slow circle, taking in the scene. The abandoned market stalls. The graffiti on the tunnel walls. The faint smell of ozone and rust. “So we’re looking for someone who knows alchemical theory. Someone who can get down here without a token, or who had one.” “Or someone who was already here,” Eva said. Quinn’s eyes snagged on something near the edge of the platform. A glint of brass, half-hidden under a fallen banner. She walked over, nudged the fabric aside with the toe of her boot, and picked up a small compass. It was old. The casing was verdigris-green with age, and the face was etched with symbols that matched the sigil on the dead man’s chest—similar, but not identical. Protective sigils, maybe. The needle was spinning, slow and erratic, not settling on north. It seemed to be pointing toward the tunnel entrance they’d come through. “What’s that?” Quinn held it up. “A compass. Brass. Etched. It was under the banner.” She turned it over in her fingers. “Somebody dropped it. Or left it.” “May I?” Eva held out a hand. Quinn passed it over. Eva held it to the light, her brow furrowing. Her fingers traced the edge of the casing. “This is Veil Market work. Shade-crafted.” She looked up, her eyes sharp. “It’s a Veil Compass. Points toward supernatural portals. Rifts.” “So whoever had this was tracking something. Or someone.” “Or using it to navigate down here.” Eva stood, the compass still in her hand. “The Market moves. Without one of these, you could wander these tunnels for hours and never find the entrance.” Quinn turned back to the body. Something itched at the back of her skull. The details were all wrong. A dead man in a secret market, killed by a supernatural method, a compass left behind. It was too clean. Too staged. She looked at the body again. The torn shirt. The grey sigil. The peaceful expression. “Eva, you said the sigil drains life force. How long does it take?” “Depends on the skill of the caster and the strength of the symbol. Minutes, maybe. Seconds if they knew what they were doing.” “And Fews—he didn’t struggle. Didn’t try to run. He’s lying flat, arms at his sides, like he was asleep.” Quinn walked around the body, her eyes scanning the floor. “No signs of restraint. No bruising on his wrists or ankles. He didn’t fight.” “Maybe he was drugged first.” “Maybe.” Quinn stopped at the dead man’s head. She crouched again, closer this time. Looked at the angle of his neck. The way his head was turned—not the natural slump of unconsciousness. Something too deliberate. She reached out and gently lifted Fews’ left eyelid. The eye beneath was clear. No petechiae. No clouding. And then she saw it. A tiny bruise, no bigger than a fingernail, just behind his left ear. “He was injected.” She let the eyelid fall and stood up. “Small gauge needle. Posterior to the mastoid process. Someone put him under before they used the sigil.” Eva stepped closer. “That’s unusual. The sigil is meant to be the cause of death. If they sedated him first, they were worried about—” “The sigil,” Quinn said, the pieces clicking into place. “The sigil isn’t the weapon. It’s the cover-up.” She turned to Eva, her voice flat. “Whoever killed Fews wanted us to think it was ritual murder. They wanted the supernatural explanation. But the injection says premeditation. Controlled, quiet, and someone who knows human anatomy. That’s not a ritualist. That’s a professional.” Eva’s eyes widened. She looked down at the compass in her hand. “Then why leave this?” “Because it’s a misdirection.” Quinn took the compass from Eva and pocketed it. “Someone wanted the occult show. But the real crime is simpler. Fews dealt in stolen artefacts. He crossed the wrong person. And that person has access to medical training and knows how to reach a hidden market without a token.” She looked at the body one last time. The brand. The sedative. The staged scene. It all fit now. “This wasn’t magic,” Quinn said. “This was murder dressed up in a costume. And I’m going to find out who paid for the suit.” Eva was silent for a long moment. Then she nodded, tucking her hair behind her ear again. “I’ll pull the records on Fews’ recent transactions. See if anyone came asking questions about valuable pieces.” “Do that.” Quinn turned and walked back toward the escalator, her boots echoing in the hollow space. “And Eva—next time you hear about a body in a supernatural market, call me before you come down here alone.” “You called me first when your partner died, Detective.” Quinn stopped. She didn’t turn around. “Three years ago,” Eva said quietly. “You wanted to know if Morris’s death had an explanation you couldn’t see. You still haven’t found it, have you?” The silence stretched. Quinn’s hand moved to the worn leather watch on her wrist, her thumb tracing the strap. She didn’t answer. She just kept walking, the Veil Compass heavy in her pocket, the dead man’s face burning in her memory. Something was still missing. But she was getting closer.
created_at"2026-04-25T13:40:03.4Z" 4/25/2026, 1:40:03 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
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cancelledfalse
latency2929
moderation_latency(null)
generation_time37387
tokens_prompt923
tokens_completion3030
native_tokens_prompt857
native_tokens_completion2634
native_tokens_completion_images(null)
native_tokens_reasoning350
native_tokens_cached768
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"
usage0.000771484
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provider_responses
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is_byokfalse
latency647
model_permaslug"deepseek/deepseek-v4-flash-20260423"
provider_name"DeepSeek"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
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request_id"req-1777124403-PqZEZnv7ESxaZxSqu2fX"
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Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags21
adverbTagCount2
adverbTags
0"Quinn walked around [around]"
1"Eva said quietly [quietly]"
dialogueSentences52
tagDensity0.404
leniency0.808
rawRatio0.095
effectiveRatio0.077
93.96% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1656
totalAiIsmAdverbs2
found
0
adverb"slightly"
count1
1
adverb"gently"
count1
highlights
0"slightly"
1"gently"
80.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found
0"Marcus"
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
66.79% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1656
totalAiIsms11
found
0
word"gloom"
count1
1
word"glint"
count1
2
word"etched"
count2
3
word"furrowing"
count1
4
word"traced"
count1
5
word"navigate"
count1
6
word"scanning"
count1
7
word"echoing"
count1
8
word"silence"
count1
9
word"tracing"
count1
highlights
0"gloom"
1"glint"
2"etched"
3"furrowing"
4"traced"
5"navigate"
6"scanning"
7"echoing"
8"silence"
9"tracing"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes widened"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences116
matches(empty)
81.28% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount2
narrationSentences116
filterMatches
0"watch"
1"look"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences148
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen44
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1645
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions16
unquotedAttributions0
matches(empty)
33.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions42
wordCount1004
uniqueNames7
maxNameDensity2.19
worstName"Quinn"
maxWindowNameDensity4
worstWindowName"Quinn"
discoveredNames
Tube1
Harlow1
Quinn22
Kowalski1
Eva15
Veil1
Compass1
persons
0"Harlow"
1"Quinn"
2"Kowalski"
3"Eva"
places(empty)
globalScore0.404
windowScore0.333
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences67
glossingSentenceCount1
matches
0"lines that seemed to move if she stared too long"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.608
wordCount1645
matches
0"not ripped, but cut, cleanly, along a line from collarbone to navel"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences148
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs55
mean29.91
std19.78
cv0.661
sampleLengths
052
157
25
327
446
550
679
78
824
911
107
1169
125
1353
145
1552
166
1738
1834
199
2032
2135
2272
2351
248
2539
2654
272
2826
297
3042
319
3234
3341
3415
3513
3623
3743
385
3935
4036
4128
4224
4360
4416
4553
4619
4724
4834
4937
87.11% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences116
matches
0"been rigged"
1"was unbuttoned"
2"been torn"
3"been branded"
4"was littered"
5"was etched"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount6
totalVerbs166
matches
0"were escaping"
1"was tucking"
2"was lying"
3"was spinning"
4"was still missing"
5"was getting"
7.72% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount0
flaggedSentences7
totalSentences148
ratio0.047
matches
0"Emergency lighting had been rigged along the tunnel—portable floods on tripods that cast hard shadows and made everything look like a crime scene photograph."
1"She walked past him, her boots crunching on debris—broken tile, a crushed polystyrene cup, something that might have been a bone token but she didn’t stoop to check."
2"She was tucking a strand of hair behind her left ear—the nervous habit Quinn had catalogued the first time they’d met, eighteen months ago, at a briefing that should never have included a museum research assistant."
3"Beneath it, his shirt had been torn open—not ripped, but cut, cleanly, along a line from collarbone to navel."
4"The platform was littered with the detritus of a pop-up market—collapsible tables, empty crates, a few stray tarpaulins."
5"The casing was verdigris-green with age, and the face was etched with symbols that matched the sigil on the dead man’s chest—similar, but not identical."
6"The way his head was turned—not the natural slump of unconsciousness."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount941
adjectiveStacks0
stackExamples(empty)
adverbCount17
adverbRatio0.018065887353878853
lyAdverbCount7
lyAdverbRatio0.007438894792773645
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences148
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences148
mean11.11
std8.97
cv0.807
sampleLengths
06
117
229
324
44
529
65
718
89
95
1013
1128
129
1320
148
158
165
1718
1825
1936
208
213
229
2312
2411
257
2612
2716
2817
293
302
3119
325
334
3419
3522
368
375
389
3943
406
4138
423
4318
447
453
463
474
485
4914
40.77% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats18
diversityRatio0.31756756756756754
totalSentences148
uniqueOpeners47
32.05% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences104
matches
0"Then she nodded, tucking her"
ratio0.01
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount27
totalSentences104
matches
0"She stepped over a coil"
1"She walked past him, her"
2"Her red curls were escaping"
3"She was tucking a strand"
4"Her green eyes were sharp"
5"It was a man, mid-forties,"
6"He was lying on his"
7"His face was slack, almost"
8"She pointed at the grey"
9"She walked over, nudged the"
10"It was old."
11"It seemed to be pointing"
12"She turned it over in"
13"Her fingers traced the edge"
14"She looked up, her eyes"
15"It was too clean."
16"She looked at the body"
17"She crouched again, closer this"
18"She reached out and gently"
19"She let the eyelid fall"
ratio0.26
46.54% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount86
totalSentences104
matches
0"The air down here tasted"
1"Detective Harlow Quinn paused at"
2"Emergency lighting had been rigged"
3"She stepped over a coil"
4"The constable gestured with his"
5"Quinn didn’t bother asking who."
6"She walked past him, her"
7"The platform opened out before"
8"The old advertising boards along"
9"A train hadn’t run through"
10"Someone had died down here."
11"Eva Kowalski stood near the"
12"Her red curls were escaping"
13"She was tucking a strand"
14"Quinn’s voice carried in the"
15"Eva looked up."
16"Her green eyes were sharp"
17"Quinn stopped a few feet"
18"It was a man, mid-forties,"
19"He was lying on his"
ratio0.827
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences104
matches(empty)
ratio0
4.61% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences31
technicalSentenceCount6
matches
0"Emergency lighting had been rigged along the tunnel—portable floods on tripods that cast hard shadows and made everything look like a crime scene photograph."
1"She walked past him, her boots crunching on debris—broken tile, a crushed polystyrene cup, something that might have been a bone token but she didn’t stoop to c…"
2"It was a man, mid-forties, dressed in a beige raincoat that looked expensive despite the grime."
3"Inside it, interlocking lines that seemed to move if she stared too long."
4"The casing was verdigris-green with age, and the face was etched with symbols that matched the sigil on the dead man’s chest—similar, but not identical."
5"She just kept walking, the Veil Compass heavy in her pocket, the dead man’s face burning in her memory."
5.95% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags21
uselessAdditionCount5
matches
0"She looked up, her eyes sharp"
1"Quinn walked around, her eyes scanning the floor"
2"Quinn said, the pieces clicking into place"
3"She turned, her voice flat"
4"Quinn turned, her boots echoing in the hollow space"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount0
fancyTags(empty)
dialogueSentences52
tagDensity0.115
leniency0.231
rawRatio0
effectiveRatio0
72.6705%