Run: 2026-05-19-01KS0TJQHSS81Z78E527HBE4ER

Run Details

Duration:
20.9s
Cost:
$0.035785
Provider:
Google AI Studio

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 damp of the abandoned Camden Tube station clung to the heavy wool of Harlow Quinn’s coat like a second, more suffocating skin. She descended the iron spiral staircase with a measured, military precision, her boots finding the center of each rusted tread without a sound. Behind her, the yellow glare of a portable halogen work light cut through the subterranean gloom, throwing her long, lean shadow down into the belly of the earth. She stopped on the bottom landing, checking the worn leather watch on her left wrist. It was 3:14 AM. The air down here smelled of ancient soot, wet iron, and something rancid that she had learned to recognize over eighteen years of service: the quiet, chemical signature of a fresh death. "Mind your head, Detective," DS Miller said, his voice instantly swallowed by the vast, brick-vaulted dark of the platform. He was shivering, his high-visibility jacket rustling as he shifted his weight. "Mind the puddles, too. The water down here doesn't move. I think it’s mostly runoff from the canal above." Harlow didn't look at him. She adjusted her collar, her sharp jaw tight as her brown eyes swept the ruined platform. Her closely cropped salt-and-pepper hair catch the harsh light of the halogen lamp Miller’s team had hauled down. The platform was a graveyard of old London transport history—broken wooden posters, shattered tiles from a forgotten Edwardian era, and heaps of gravel. But in the center of the tracks, where the steel rails had long since been pried up and carted away, lay the body. "What do we have, Miller?" Harlow asked. Her voice was flat, gravelly, and entirely devoid of the weariness that her colleagues usually carried at this hour. "Male, mid-twenties," Miller said, eager to get back to the warmth of the surface. He gestured toward the tracks with his clipboard. "Looks like a classic squatter dispute. Or maybe a drug deal gone south. There’s a head wound—looks like he fell or took a pipe to the temple. Wallet’s gone, phone’s gone. It’s a mugging, Governor. Simple as." Harlow stepped down onto the empty track bed. The gravel crunched softly under her soles. She knelt beside the body, her fifty-nine frame bending with practiced grace. She didn't touch anything yet. She just looked. The victim was dressed in a heavy tweed coat, far too expensive for a common vagrant, though it was now smeared with coal dust. His eyes were wide, staring up at the dark vaulted ceiling with an expression of profound, arrested surprise. "Simple as," Harlow repeated, her tone dry. "You see a mugging, Miller. I see a man who died three hours ago, whose skin has already taken on a bluish cast that has nothing to do with pooling blood." She leaned closer, her nose twitching. "And I smell peppermint." "Peppermint?" Miller frowned, stepping down into the ballast beside her. "Maybe he had a lozenge." "It’s not lozenges. It’s oil of wintergreen. It's used to mask the smell of alchemical rot." Harlow reached out, her gloved fingers gently tilting the victim’s chin. The skin of his neck was stiff, but not with rigor mortis. When she parted his lips, a faint wispy breath of condensation escaped into the damp air—even though the underground station was a humid sixty degrees. "Look at his throat, Miller. Look at the frost on his tongue." Miller bent down, his eyes widening slightly behind his spectacles. "That’s… that’s mold, isn't it? Damp-spores?" "No. It's ice." Harlow’s chest tightened, a familiar, cold weight settling behind her ribs. Three years. It had been three years since she found DS Morris in an alleyway off Whitechapel, his lungs frozen solid from the inside out, his eyes wearing that exact same expression of impossible terror. The official report had called it a sudden cardiovascular collapse exacerbated by hypothermia. Harlow had known better, even if she hadn't yet possessed the vocabulary to explain why. She slid her fingers into the victim’s tweed coat pocket. Her hand brushed against something hard and flat. She pulled it out. It was a small, circular piece of white material about the size of a crown coin. It felt strangely warm through her leather glove. She held it up to the halogen light. It was a bone token, polished smooth on one side, but carved with a crude, angular rune on the other. "The hell is that?" Miller muttered. "Some kind of casino chip?" "A ticket," Harlow whispered. She knew the whispers on the street. The underground markets. The things that moved under London when the moon was round and the veil grew thin. She dropped the bone token into an evidence bag, her mind cataloging the pieces. The abandoned station beneath Camden. The date on her watch—the night of the full moon. She searched the other pocket. This time, her fingers caught on a heavy metal object. When she drew it out, Miller gasped slightly. It was a small brass compass. The brass was green-black with a heavy patina of verdigris, but the real curiosity was the face. There were no cardinal directions—no North, South, East, or West. Instead, the face was etched with intricate, swirling silver sigils that seemed to shift slightly when the light hit them. The hand of the compass was a tiny, jagged sliver of dark iron. It wasn't pointing north. It was spinning slowly, erratically, before locking onto a blank brick wall at the far end of the defunct platform. "A shadow compass," Harlow murmured, recognizing the craftsmanship from the cryptic files she had secretly accumulated over the years. This was Shade-work. "Is that a prop?" Miller asked, reaching out to touch it. "Looks like something you’d buy at a gothic novelty shop in the market upstairs." "Don't touch it," Harlow snapped, her voice like a whip cracking in the silence of the tunnel. Miller pulled his hand back instantly, his cheeks flushing. Harlow stood up, holding the compass in her palm. She walked slowly toward the brick wall where the needle was pointing. The sigils on the brass face seemed to hum, a tiny, high-frequency vibration that set her teeth on edge. As she drew closer to the wall, she noticed the mortar. It wasn't dry and crumbling like the rest of the Edwardian masonry. It was damp, glistening with a dark, oily residue. On the ground near the base of the wall lay a small, rectangular slip of paper. It looked like an index card, clean and white, entirely out of place in the filth of the abandoned station. Harlow knelt and picked it up with her tweezers. It was a call slip from the British Museum. *Call Number: MSS-7092-B. Restricted Archives.* *Requested by: E. Kowalski.* Harlow’s brown eyes narrowed. She knew that name. Eva Kowalski, a research assistant with an Oxford degree and a habit of looking too closely at things that weren't meant to be read. Harlow had flagged her name weeks ago during an investigation into a series of odd thefts from the museum’s antiquities department. "Miller," Harlow said, her voice echoed in the cavernous dark. "Cancel the search for local vagrants. And tell the scrub team to keep their mouths shut about the state of the body." "But Governor, the head wound—" "The head wound happened after he died," Harlow said, turning to face him. Her sharp jaw was set, her eyes hard. "He was dead before he hit the ground. His heart was stopped by something that doesn't show up on a standard toxicology screen. He was carrying an entry token for the Veil Market, and he was carrying this." She held up the brass compass. "He was looking for the entrance. And someone, or something, met him here to ensure he didn't find it." She looked back at the brick wall, then down at the slip of paper with Eva Kowalski’s name written in a neat, academic script. The pieces were starting to align, forming a picture that was far larger and infinitely more dangerous than a simple homicide in Camden. The shadows of London were breathing again, just as they had three years ago when they took Morris. But this time, Harlow Quinn was watching. And she had a name.
created_at"2026-05-19T19:14:39.296Z" 5/19/2026, 7:14:39 PM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1565
moderation_latency(null)
generation_time20781
tokens_prompt923
tokens_completion2998
native_tokens_prompt883
native_tokens_completion3829
native_tokens_completion_images0
native_tokens_reasoning1996
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"standard"
usage0.0357855
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"n7YMas7NHPab9MoP1Zqe4Aw"
is_byokfalse
latency1565
model_permaslug"google/gemini-3.5-flash-20260519"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.15.0; linux; x64))"
http_referer(null)
request_id"req-1779218079-aEN45kWtbHI4w4TyPYkQ"
session_id(null)
api_type"completions"
id"gen-1779218079-zgLB0S8T5twPBg319MYJ"
upstream_id"n7YMas7NHPab9MoP1Zqe4Aw"
total_cost0.0357855
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags16
adverbTagCount0
adverbTags(empty)
dialogueSentences27
tagDensity0.593
leniency1
rawRatio0
effectiveRatio0
74.55% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1375
totalAiIsmAdverbs7
found
0
adverb"softly"
count1
1
adverb"gently"
count1
2
adverb"slightly"
count3
3
adverb"slowly"
count2
highlights
0"softly"
1"gently"
2"slightly"
3"slowly"
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)
45.45% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1375
totalAiIsms15
found
0
word"measured"
count1
1
word"gloom"
count1
2
word"weight"
count2
3
word"shattered"
count1
4
word"warmth"
count1
5
word"profound"
count1
6
word"familiar"
count1
7
word"etched"
count1
8
word"intricate"
count1
9
word"silence"
count1
10
word"glistening"
count1
11
word"echoed"
count1
12
word"standard"
count1
13
word"ensure"
count1
highlights
0"measured"
1"gloom"
2"weight"
3"shattered"
4"warmth"
5"profound"
6"familiar"
7"etched"
8"intricate"
9"silence"
10"glistening"
11"echoed"
12"standard"
13"ensure"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences93
matches(empty)
81.41% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences93
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)
analyzedSentences104
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen44
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords9
totalWords1370
ratio0.007
matches
0"Call Number: MSS-7092-B. Restricted Archives."
1"Requested by: E. Kowalski."
97.22% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions1
matches
0"When she drew it out, Miller gasped slightly."
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions56
wordCount1096
uniqueNames21
maxNameDensity1.64
worstName"Harlow"
maxWindowNameDensity3
worstWindowName"Harlow"
discoveredNames
Camden3
Tube1
Harlow18
Quinn2
Miller9
London3
Edwardian2
Three1
Morris2
Whitechapel1
North1
South1
East1
West1
Shade-work1
British1
Museum1
Number1
Kowalski3
Oxford1
Eva2
persons
0"Harlow"
1"Quinn"
2"Miller"
3"Morris"
4"Kowalski"
5"Eva"
places
0"Camden"
1"London"
2"British"
3"Museum"
4"Oxford"
globalScore0.679
windowScore0.667
79.58% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences71
glossingSentenceCount2
matches
0"sigils that seemed to shift slightly when the light hit them"
1"looked like an index card, clean and whit"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1370
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences104
matches
0"knew that name"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs33
mean41.52
std22.94
cv0.553
sampleLengths
074
151
250
339
446
526
659
735
842
948
1015
1176
1216
1377
1422
1552
1611
1759
1823
1990
2022
2125
2226
2372
2436
2518
269
2753
2832
295
3084
3124
3253
93.94% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences93
matches
0"been pried"
1"was dressed"
2"was etched"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount7
totalVerbs168
matches
0"was shivering"
1"wasn't pointing"
2"was spinning"
3"was pointing"
4"were starting"
5"were breathing"
6"was watching"
32.97% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences4
totalSentences104
ratio0.038
matches
0"The platform was a graveyard of old London transport history—broken wooden posters, shattered tiles from a forgotten Edwardian era, and heaps of gravel."
1"When she parted his lips, a faint wispy breath of condensation escaped into the damp air—even though the underground station was a humid sixty degrees."
2"The date on her watch—the night of the full moon."
3"There were no cardinal directions—no North, South, East, or West."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1110
adjectiveStacks1
stackExamples
0"vast, brick-vaulted dark"
adverbCount35
adverbRatio0.03153153153153153
lyAdverbCount21
lyAdverbRatio0.01891891891891892
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences104
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences104
mean13.17
std8.57
cv0.65
sampleLengths
023
123
228
315
44
532
619
712
819
95
1016
1118
1223
1323
147
1519
1614
178
1837
198
207
2112
225
233
2424
2518
267
2737
284
2910
305
3127
3212
3325
3412
3510
366
3714
382
3933
4013
4115
4210
438
444
4516
468
478
4820
496
53.85% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.375
totalSentences104
uniqueOpeners39
38.31% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences87
matches
0"Instead, the face was etched"
ratio0.011
54.48% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount36
totalSentences87
matches
0"She descended the iron spiral"
1"She stopped on the bottom"
2"It was 3:14 AM."
3"He was shivering, his high-visibility"
4"She adjusted her collar, her"
5"Her closely cropped salt-and-pepper hair"
6"Her voice was flat, gravelly,"
7"He gestured toward the tracks"
8"She knelt beside the body,"
9"She didn't touch anything yet."
10"She just looked."
11"His eyes were wide, staring"
12"She leaned closer, her nose"
13"It had been three years"
14"She slid her fingers into"
15"Her hand brushed against something"
16"She pulled it out."
17"It was a small, circular"
18"It felt strangely warm through"
19"She held it up to"
ratio0.414
28.97% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount75
totalSentences87
matches
0"The damp of the abandoned"
1"She descended the iron spiral"
2"She stopped on the bottom"
3"It was 3:14 AM."
4"The air down here smelled"
5"DS Miller said, his voice"
6"He was shivering, his high-visibility"
7"Harlow didn't look at him."
8"She adjusted her collar, her"
9"Her closely cropped salt-and-pepper hair"
10"The platform was a graveyard"
11"Her voice was flat, gravelly,"
12"Miller said, eager to get"
13"He gestured toward the tracks"
14"Harlow stepped down onto the"
15"The gravel crunched softly under"
16"She knelt beside the body,"
17"She didn't touch anything yet."
18"She just looked."
19"The victim was dressed in"
ratio0.862
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences87
matches(empty)
ratio0
93.02% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences43
technicalSentenceCount3
matches
0"Instead, the face was etched with intricate, swirling silver sigils that seemed to shift slightly when the light hit them."
1"The sigils on the brass face seemed to hum, a tiny, high-frequency vibration that set her teeth on edge."
2"The pieces were starting to align, forming a picture that was far larger and infinitely more dangerous than a simple homicide in Camden."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags16
uselessAdditionCount5
matches
0"Miller said, eager to get back to the warmth of the surface"
1"Harlow repeated, her tone dry"
2"She leaned, her nose twitching"
3"Harlow reached out, her gloved fingers gently tilting the victim’s chin"
4"Harlow said, turning to face him"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags11
fancyCount5
fancyTags
0"Harlow repeated (repeat)"
1"Miller muttered (mutter)"
2"Harlow whispered (whisper)"
3"Harlow murmured (murmur)"
4"Harlow snapped (snap)"
dialogueSentences27
tagDensity0.407
leniency0.815
rawRatio0.455
effectiveRatio0.37
71.1474%