Run: 2026-02-19-01KHVPEPVBAK13S5KMHQ3Z8649

Run Details

Duration:
1m 27s
Cost:
$0.070010
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 air in the abandoned Tube station beneath Camden tasted of rust, stagnant water, and ancient dust. Detective Harlow Quinn descended the crumbling concrete stairs with a measured, rhythmic tread, her shoulders squared and her posture held with absolute military precision. At five foot nine, she moved through the subterranean gloom with an imposing authority, her flashlight beam cutting through the damp darkness to illuminate the decayed Victorian tiles of the tunnel walls. She pushed a stray lock of closely cropped salt-and-pepper hair out of her face, her sharp jaw set tight against the cold. She paused at the bottom of the stairwell, lifting her left arm to check the time. The glow of her flashlight caught the face of the worn leather watch on her left wrist. Three fourteen in the morning. The moon phase complication on the dial showed a perfect, unbroken circle. A full moon. A familiar, hollow ache settled in her chest. DS Morris had gone missing on a night exactly like this three years ago, vanished into a subterranean tunnel chased by shadows that defied every law of physics and forensic science. Harlow pushed the ghost of her partner aside. She was forty-one years old, a decorated veteran of the Metropolitan Police, and she did not have time for ghosts. Not today. Down on the main platform, industrial floodlights had been set up by the uniform division, casting harsh white glares across a wide swath of empty track. A body lay in the center of the platform, surrounded by the usual yellow tape. But it was not the body that held Harlow’s immediate attention. It was the young woman standing near the crime scene perimeter, arguing quietly with a uniform. Eva Kowalski looked hopelessly out of place in the grimy depths of the Camden tunnels. At twenty-six, she was barely more than a civilian, tapped by the brass as a historical consultant whenever ancient occult nonsense cropped up in the city. She stood five foot four, nervously clutching a worn leather satchel full of books over her shoulder. The harsh work lights washed out her freckled complexion and caught the defensive glare on her round glasses. Harlow stepped onto the platform, her boots crunching on loose plaster. Eva turned at the sound. Her bright green eyes flared with momentary panic before she forced a tight, polite smile. Predictably, Eva’s right hand drifted up, Her fingers catching a lock of curly red hair and tucking it securely behind her left ear. It was a nervous habit Harlow had cataloged the very first time they crossed paths. Harlow did not trust Eva. She knew the young archivist ran with a tight circle of friends—a deeply secretive clique that Harlow heavily suspected was involved in a whole string of unsolved, unnatural crimes across London. "Detective Quinn," Eva said, her voice echoing faintly off the curved ceiling. "Kowalski," Harlow replied, her dark brown eyes sweeping over the civilian. "What is the British Museum’s restricted archives department doing at a fresh homicide?" Eva tapped the worn leather satchel against her hip. "The responding officers found some unusual graffiti. Symbols carved into the masonry. Given my background in ancient history, they thought it might be cult-related. I’ve already given them my preliminary assessment." Harlow stepped past her, approaching the body. "And what assessment is that?" "Urban explorers," Eva said quickly, following a few steps behind. "Squatters who read too much internet folklore. They held some sort of amateur ritual, an argument broke out, and your victim suffered blunt force trauma. It is tragic, but completely mundane. Honestly, Detective, there is nothing down here of historical significance. I should probably tell the officers to pack up." Harlow ignored the blatant attempt to dismiss the scene. She crouched beside the victim, a middle-aged man in a tailored charcoal suit. His neck was broken, yes, but Harlow’s analytical gaze picked out the inconsistencies tearing through Eva’s neat little theory. "Mundane," Harlow echoed softly. She pointed a gloved finger at the ground surrounding the body. "Look at the dust layer, Kowalski. Century-old soot, undisturbed for decades near the walls. But out here on the platform? The dust is entirely flattened. Scrape marks. Heavy impressions in the grime. These rectangular clearings are perfectly spaced. Seven feet long, three feet wide. Spaced exactly four feet apart. Repeated all the way down the platform." Eva shifted her weight. She tucked another curl of red hair behind her left ear. "Perhaps they brought sleeping bags. Or folding tables for their gathering." "Folding tables," Harlow said, standing back up in one fluid, controlled motion. "Dozens of them. Organized in rows. That is not an amateur ritual or a squatter camp. It is a market layout." Harlow swept her flashlight beam down the cavernous tunnel. "A massive, structured underground market. But there is no debris. No trash. Nothing left behind. They packed up and moved out in a hurry." She checked her watch again. "With military efficiency. They vanished entirely tonight. Why tonight?" "Coincidence?" Eva offered, her voice pitching slightly higher. "Or maybe they fled because someone was murdered." Harlow turned her sharp gaze entirely on Eva. "Or maybe they moved because the schedule demanded it. Tonight is the full moon. Markets of illicit nature rely on strict, predictable transit schedules to avoid police detection. A schedule you seem oddly eager to cover up." Before Eva could sputter a defense, Harlow turned her attention back to the victim. She knelt again, examining the dead man’s outflung hand. His fingers were locked in a rigor mortis claw, but tucked deep in the hollow of his palm was a small, pale object. A uniform had tagged it as a piece of chalk, but Harlow knew better. She pulled a pen from her breast pocket and nudged the object. It flipped over, revealing an intricately carved piece of smooth, polished marrow. Harlow stood, holding the object out in an evidence bag. "A bone token. You need a ticket to get into an exclusive event. To get past the sealed gates upstairs." Eva stared at the bone token. The archivist swallowed hard, her knuckles turning white around the strap of her satchel. "People buy replicas of macabre artifacts all the time, Detective. It does not mean anything." Harlow did not reply. She resumed her methodical grid search of the platform. She trusted her own eyes, her own instincts. Her military bearing kept her movements anchored and precise as she walked the exact perimeter of where the market stalls had supposedly stood. Ten yards past the body, near a storm drain, her flashlight caught a dull, metallic gleam. She walked over and crouched down. It was a small brass compass lying abandoned in the grime. Harlow picked it up with a gloved hand. The casing had a heavy patina of verdigris, the green oxidation suggesting extreme age or exposure to strange atmospheres. She wiped a smudge of dirt from the glass face. It was not a normal navigational layout. The face was completely etched with dense, overlapping protective sigils—lines of geometry that made Harlow’s eyes water slightly just looking at them. The craftsmanship was utterly alien, bearing no maker’s mark, no industrial stamp. Nothing she had seen in her eighteen years of decorated service looked quite like this. Eva suddenly appeared at her shoulder, leaning in too close. "A nautical replica. Victorian era, probably. Let me take it to the museum for cataloging." "Back off, Kowalski," Harlow warned, her voice dropping to a dangerous register. She held the small brass compass flat in her palm. "If this is a simple nautical instrument, why is the needle ignoring the magnetic north pole?" Eva fell silent. Harlow watched the needle intently. It was not trembling or searching for north. It spun in a slow, deliberate circle, and then locked firmly into place, pointing directly toward a solid, crumbling brick wall at the far edge of the abandoned station. Harlow turned her body ninety degrees. The needle smoothly tracked the movement, staying absolutely locked on the blank brick wall. It was acting as a homing beacon. It was pulling toward something unseen. The pieces slammed together in Harlow’s brilliant, analytical mind. Morris’s impossible death. The bizarre crimes linked to Eva’s clique. The bone token. The structured market that evaporated precisely on the full moon. The compass pointing at solid stone. "It is a compass," Harlow said, her voice eerily calm, her brown eyes tracking up from the brass casing to study the blank expanse of masonry. "But it does not track magnetism. It tracks energy. A rift. A door in that wall that my normal human eyes cannot see." "Detective Quinn, please," Eva said. The academic facade was finally slipping. Real fear bled into the young woman’s green eyes. She clutched the leather satchel like a shield. "You do not understand what you are holding. You do not understand what comes through a localized supernatural rift. You are interfering with things that cannot be policed by Scotland Yard." Harlow turned her sharp jaw toward the researcher. The confirmation rang loud and clear. Her suspicions were right. The clique was hiding a shadow world right beneath London, trading in banned alchemical substances, enchanted goods, and God knew what else at this Veil Market. And they had let a man die on their watch. "I am a detective in the Metropolitan Police," Harlow said, sliding the verdigris-stained compass into a secure evidence pouch. Her military posture was rigid, formidable, and entirely unyielding under the harsh work lights. "I police murder, Kowalski. I don't care if your suspects are human, or urban myth, or something that crawled out of a hole in the fabric of reality. Morris died because I was blind. I am not blind anymore." Harlow stepped past the trembling archivist and walked directly toward the solid brick wall, ready to break the illusion wide open.
created_at"2026-02-19T19:36:28.105Z" 2/19/2026, 7:36:28 PM
model"google/gemini-3.1-pro-preview-20260219"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4741
moderation_latency(null)
generation_time86387
tokens_prompt923
tokens_completion4534
native_tokens_prompt883
native_tokens_completion5687
native_tokens_completion_images0
native_tokens_reasoning3596
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"
usage0.07001
router(null)
provider_responses
0
endpoint_id"2abf5677-0826-45d9-8470-3d62c31d54a1"
is_byokfalse
latency4741
model_permaslug"google/gemini-3.1-pro-preview-20260219"
provider_name"Google AI Studio"
status200
api_type"completions"
id"gen-1771529788-YZ6IiC88Qu4nKfWRCaFH"
upstream_id(null)
total_cost0.07001
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
57.14% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags12
adverbTagCount2
adverbTags
0"Eva said quickly [quickly]"
1"Harlow echoed softly [softly]"
dialogueSentences28
tagDensity0.429
leniency0.857
rawRatio0.167
effectiveRatio0.143
63.77% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1656
totalAiIsmAdverbs12
found
0
adverb"nervously"
count1
1
adverb"very"
count1
2
adverb"quickly"
count1
3
adverb"completely"
count2
4
adverb"softly"
count1
5
adverb"perfectly"
count1
6
adverb"slightly"
count2
7
adverb"utterly"
count1
8
adverb"suddenly"
count1
9
adverb"precisely"
count1
highlights
0"nervously"
1"very"
2"quickly"
3"completely"
4"softly"
5"perfectly"
6"slightly"
7"utterly"
8"suddenly"
9"precisely"
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)
39.61% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1656
totalAiIsms20
found
0
word"measured"
count1
1
word"rhythmic"
count1
2
word"gloom"
count1
3
word"imposing"
count1
4
word"perfect"
count1
5
word"familiar"
count1
6
word"depths"
count1
7
word"cataloged"
count1
8
word"echoing"
count1
9
word"echoed"
count1
10
word"weight"
count1
11
word"predictable"
count1
12
word"macabre"
count1
13
word"methodical"
count1
14
word"etched"
count1
15
word"magnetic"
count1
16
word"firmly"
count1
17
word"absolutely"
count1
18
word"beacon"
count1
19
word"facade"
count1
highlights
0"measured"
1"rhythmic"
2"gloom"
3"imposing"
4"perfect"
5"familiar"
6"depths"
7"cataloged"
8"echoing"
9"echoed"
10"weight"
11"predictable"
12"macabre"
13"methodical"
14"etched"
15"magnetic"
16"firmly"
17"absolutely"
18"beacon"
19"facade"
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
narrationSentences99
matches(empty)
99.57% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount0
narrationSentences99
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences115
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen57
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1646
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions61
wordCount1195
uniqueNames14
maxNameDensity2.43
worstName"Harlow"
maxWindowNameDensity5.5
worstWindowName"Harlow"
discoveredNames
Tube1
Camden2
Harlow29
Quinn1
Victorian1
Morris2
Metropolitan1
Police1
Kowalski1
Eva17
London2
God1
Veil1
Market1
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Morris"
4"Kowalski"
5"Eva"
6"God"
places
0"London"
globalScore0.287
windowScore0
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences84
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1646
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences115
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs32
mean51.44
std29.63
cv0.576
sampleLengths
095
1122
268
376
4105
512
624
740
812
960
1041
1171
1226
1380
1416
1545
1684
1730
1835
1960
2017
2193
2225
2338
243
2575
2638
2749
2859
2954
3072
3121
98.17% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences99
matches
0"was involved"
1"were locked"
94.18% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs189
matches
0"was acting"
1"was pulling"
2"was hiding"
93.17% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences2
totalSentences115
ratio0.017
matches
0"She knew the young archivist ran with a tight circle of friends—a deeply secretive clique that Harlow heavily suspected was involved in a whole string of unsolved, unnatural crimes across London."
1"The face was completely etched with dense, overlapping protective sigils—lines of geometry that made Harlow’s eyes water slightly just looking at them."
87.81% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1203
adjectiveStacks1
stackExamples
0"dense, overlapping protective sigils—"
adverbCount43
adverbRatio0.03574397339983375
lyAdverbCount33
lyAdverbRatio0.02743142144638404
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences115
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences115
mean14.31
std9.64
cv0.673
sampleLengths
017
124
232
322
416
517
65
712
83
98
1031
118
1220
132
1426
1515
1611
1716
1815
1926
2017
2118
2211
235
2415
2523
2615
275
2831
2912
3011
3113
329
3331
347
355
3610
3750
389
3913
4019
414
4211
4356
444
4511
4611
4712
4830
4929
48.70% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.3391304347826087
totalSentences115
uniqueOpeners39
34.36% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences97
matches
0"Predictably, Eva’s right hand drifted"
ratio0.01
88.04% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount32
totalSentences97
matches
0"She pushed a stray lock"
1"She paused at the bottom"
2"She was forty-one years old,"
3"It was the young woman"
4"She stood five foot four,"
5"Her bright green eyes flared"
6"It was a nervous habit"
7"She knew the young archivist"
8"She crouched beside the victim,"
9"His neck was broken, yes,"
10"She pointed a gloved finger"
11"She tucked another curl of"
12"She checked her watch again"
13"She knelt again, examining the"
14"His fingers were locked in"
15"She pulled a pen from"
16"It flipped over, revealing an"
17"She resumed her methodical grid"
18"She trusted her own eyes,"
19"Her military bearing kept her"
ratio0.33
11.55% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount87
totalSentences97
matches
0"The air in the abandoned"
1"Detective Harlow Quinn descended the"
2"She pushed a stray lock"
3"She paused at the bottom"
4"The glow of her flashlight"
5"The moon phase complication on"
6"A full moon."
7"A familiar, hollow ache settled"
8"DS Morris had gone missing"
9"Harlow pushed the ghost of"
10"She was forty-one years old,"
11"A body lay in the"
12"It was the young woman"
13"Eva Kowalski looked hopelessly out"
14"She stood five foot four,"
15"The harsh work lights washed"
16"Harlow stepped onto the platform,"
17"Eva turned at the sound."
18"Her bright green eyes flared"
19"It was a nervous habit"
ratio0.897
51.55% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences97
matches
0"Before Eva could sputter a"
ratio0.01
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences50
technicalSentenceCount3
matches
0"Predictably, Eva’s right hand drifted up, Her fingers catching a lock of curly red hair and tucking it securely behind her left ear."
1"The face was completely etched with dense, overlapping protective sigils—lines of geometry that made Harlow’s eyes water slightly just looking at them."
2"The structured market that evaporated precisely on the full moon."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags12
uselessAdditionCount3
matches
0"Eva said, her voice echoing faintly off the curved ceiling"
1"Eva offered, her voice pitching slightly higher"
2"Harlow warned, her voice dropping to a dangerous register"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount1
fancyTags
0"Harlow warned (warn)"
dialogueSentences28
tagDensity0.286
leniency0.571
rawRatio0.125
effectiveRatio0.071
78.9205%