Run: 2026-02-25-01KJ94K97TKBEJDMM2E1B82JCD

Run Details

Duration:
21.4s
Cost:
$0.010785
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 hung thick and cold, smelling of stale earth and damp brick, a metallic tang of old iron. Detective Harlow Quinn ducked under the sagging police tape, her closely cropped salt-and-pepper hair brushing the decaying concrete archway. Her breath plumed in the chill. She hated abandoned Tube stations. Too many shadows, too many places for secrets to breed. This one, rumored to be part of the long-lost North London Railway, felt less abandoned and more… forgotten. The light of the forensic team’s powerful lamps cut through the gloom, illuminating a cavernous space where tracks should have been. Instead, a sprawling, haphazard collection of stalls and makeshift shelters snaked through the subterranean gloom. It looked like a night market, frozen in time, but stranger. Goods of unknown origin gleamed under the harsh artificial light: potions in twisted glass, unsettling dolls, what looked like shrunken heads hanging from a beam. This wasn’t Camden Lock, not even close. This was the Veil Market, her gut told her, a place of urban legend and hushed whispers in the city’s darker corners. She’d always dismissed it as fanciful bollocks. Now, here she stood. Uniforms dotted the scene, their movements precise, methodical, yet their faces held a subtle unease. There was a different kind of quiet here. Not just the absence of Tube rumbling, but a stillness that pressed down, like the earth itself was listening. Quinn adjusted the worn leather watch on her left wrist, a nervous habit, though her bearing remained military precision itself. Eighteen years on the force, and this was a new flavor of fucked-up. She strode past a stall laden with iridescent scales and what might have been preserved fae wings. Her gaze swept over the scene, taking in the angles, the foot traffic, the exits. No obvious signs of forced entry, no smashed anything. The stalls themselves looked unharmed, as if the market had simply… ceased. Then she saw the body. It lay sprawled across a display of tarnished silver amulets, one arm flung out as if trying to grasp something just beyond reach. The victim was a man, early thirties, dressed in expensive-looking but now rumpled clothes. His face was frozen in an expression of slack-jawed horror. But it was the rest of him that truly pulled at Quinn. His skin was parchment-tight, almost translucent, stretched over prominent bones. He looked desiccated, as if every drop of moisture, every spark of life, had been violently siphoned from him. His eyes, though wide open, were sunken, dry. “Morning, Detective.” Quinn turned, her sharp jaw tightening. Eva Kowalski stood a few feet away, holding a small magnifying glass to a patch of dust on the ground. Her curly red hair, usually a vibrant riot, seemed muted in the harsh light, though her round glasses still perched expectantly on her nose. A worn leather satchel, bursting with what Quinn assumed were books, was slung across her chest. Eva was a British Museum consultant, brought in on cases with unusual historical or artifact elements. Sometimes she called herself an antiquarian. Quinn preferred “occult researcher.” “Kowalski,” Quinn acknowledged, moving closer to the body, carefully stepping over a scattered handful of what looked like carved bone tokens. She squatted, pulling on a fresh pair of latex gloves. “What do we have?” Eva straightened, tucking a strand of hair behind her left ear, a gesture Quinn knew signaled a deeper level of engagement. “The deceased is a Mr. Julian Thorne. Minor gallery owner, some known associations with high-end, shall we say, *exclusive* collectors.” She gestured vaguely at the stalls. “Fits the clientele one might find at a place like this.” “This place being…?” Quinn kept her voice even, eyes scanning Thorne’s body. There were no obvious wounds, no blood, no signs of a struggle. His clothes were rumpled, but not torn. This was too clean for a conventional killing. “The Veil Market,” Eva confirmed, her voice hushed, almost reverent. “A hidden nexus of, well, *unusual* commerce. It shifts locations, usually timed with lunar cycles. Finding it is a feat in itself.” “Right. And Mr. Thorne was apparently good enough at finding it to get himself killed.” Quinn leaned closer. Her brown eyes narrowed. On Thorne’s chest, just above his heart, were three small, circular marks. Not burns, not punctures. They looked like branding, but the skin wasn’t seared, merely indented and discolored. The skin around them was a faint, bruised purple. “Cause of death isn’t obvious.” “No,” Eva said, moving to stand beside Quinn, her gaze sweeping over Thorne’s skeletal appearance. “Not to the untrained eye. However, given the context, the location, and Mr. Thorne’s appearance, I’d venture it’s a case of extreme magical exsiccation. A life-force drain, perhaps.” Quinn snorted. “A what now? Kowalski, I need facts, quantifiable evidence, not something from a bad Victorian novel.” “I understand your skepticism, Detective,” Eva said, her green eyes earnest behind her lenses. “But look at him. No blood, no trauma, yet utterly wasted. It’s consistent with certain… esoteric rituals. The marks on his chest – they could be sigils, or points of energy transfer. Look at the general lack of disturbance. He wasn’t wrestled, he wasn’t fought. It suggests he was either compliant, or incapacitated in a way that left no physical marks of struggle.” Quinn ignored the "magical" part, but Eva’s observation about the lack of struggle resonated. Thorne wasn’t just dead; he was *spent*. Empty. She ran a gloved finger over one of the bone tokens on the floor. It was small, polished smooth, with a crudely carved symbol on one side. “These tokens… what are they?” “Entry currency,” Eva replied, “to the Market. They’re attuned to the market’s ephemeral nature. Only those carrying a genuine bone token can perceive it, can enter. If the market is moving, the tokens allow safe passage.” “So, Thorne had one. He earned his way in.” Quinn stood, surveying the stall Thorne lay on. It was cluttered with silver items, all marked with similar, protective-looking symbols. “No signs of robbery. His watch is still on his wrist, wallet still in his pocket.” She checked his left wrist – no watch. She’d assumed. Her gaze darted to his right. Nothing. “The watch he was wearing… it’s gone.” Eva paused. “Really? A high-value item, surely. But the display he’s on… those amulets are far more valuable, likely enchanted. They’re all still here.” Quinn walked around the stall, her brow furrowed. “So, not a simple robbery. Someone took his watch, but left far more valuable goods. And killed him… by sucking him dry?” She knelt again, her eyes sweeping the dirt floor beneath the stall. It was trodden earth, not concrete, surprisingly clean given the amount of obscure junk around. Her gaze caught on something partially buried in the loose soil, glinting faintly. She carefully dug it out with her gloved fingers. It was a small brass compass, its casing dulled by a patina of verdigris. The face, partially obscured by dirt, was etched with an intricate pattern of tiny sigils. It looked ancient, but felt oddly… alive. Eva gasped, stepping forward. “A Veil Compass. I’ve only seen sketches, heard whispers. They’re exceedingly rare.” “A what compass?” Quinn held it up. The needle trembled, then spun wildly, not pointing north, but oscillating erratically, seemingly tracking something invisible. It felt warm in her palm. “What’s it for?” “They’re crafted by Shades, attuned to supernatural energies,” Eva explained, her voice quickening with excitement. “They don’t point to the cardinal directions. They point to the nearest supernatural rift, a portal, a nexus of otherworldly power.” Quinn watched the needle. It slowed its frantic spinning, then settled. Not pointing towards an entrance or an exit, but directly at Julian Thorne’s chest. The three strange marks. A chill, colder than the Tube station’s air, snaked down Quinn’s spine. It felt like the memory of a ghost. DS Morris, three years ago, the unexplained circumstances, the cold dread she’d suppressed. This… this was too close. “This compass…” Quinn began, her voice low. “It’s pointing at him. At the marks on his chest.” Eva’s freckled complexion paled slightly. “Then he wasn’t merely a victim of a ritual. He was… a focal point. The rift itself, perhaps, or the energy was channeled *through* him.” Quinn stared from the compass to Thorne’s shriveled form. “What kind of killer needs a human body to open a… a rift? Or to channel something?” She didn’t want to say *magic*. Couldn’t. But the evidence was piling up, twisting her reality. The dessicated body, the impossible marks, the lack of struggle, the missing watch instead of valuable goods, and now this brass compass pointing like a divining rod at the source of the impossible. Her mind, trained for eighteen years in concrete facts, raced. This wasn’t a human killer. Or, if it was, they weren’t using human methods. The weapon wasn’t a gun or a knife or poison. It was whatever caused those marks, whatever drained the life away. And the motive wasn’t money, not really. It was… power? Access? She held the compass steady. The needle pulsed faintly, almost throbbing, still fixed on Thorne. An unsettling hum seemed to eman emanate from the compass, a low thrum that vibrated in her hand. This wasn’t a normal crime scene. This wasn’t a normal murder. The evidence, precisely because it didn't add up to anything familiar, pointed to an inescapable conclusion: she was looking at something alien, something beyond the parameters of her experience. Something like the whispers that had followed Morris to his grave. She took a deep breath, the stale air doing little to calm the tremor building inside her. “Bag it, Kowalski,” she said, her voice firmer than she felt. “Everything around him. And I want a full history on Julian Thorne. Every contact, every transaction, every weird thing he might have been interested in. Everything.” She finally met Eva’s green eyes, a silent acknowledgement passing between them, an uneasy alliance forming against the inexplicable. “Starting with this… Veil Market. Tell me everything you know.”
created_at"2026-02-25T00:53:45.856Z" 2/25/2026, 12:53:45 AM
model"google/gemini-2.5-flash"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1140
moderation_latency(null)
generation_time21342
tokens_prompt923
tokens_completion4717
native_tokens_prompt883
native_tokens_completion4208
native_tokens_completion_images0
native_tokens_reasoning1904
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"
usage0.0107849
router(null)
provider_responses
0
endpoint_id"16c01e26-9b91-4d22-b487-ed35634b017d"
is_byokfalse
latency1140
model_permaslug"google/gemini-2.5-flash"
provider_name"Google AI Studio"
status200
api_type"completions"
id"gen-1771980825-AWb8C1SrYlrFRtIT8t5h"
upstream_id(null)
total_cost0.0107849
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
94.74% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags19
adverbTagCount2
adverbTags
0"She gestured vaguely [vaguely]"
1"She knelt again [again]"
dialogueSentences36
tagDensity0.528
leniency1
rawRatio0.105
effectiveRatio0.105
76.06% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1671
totalAiIsmAdverbs8
found
0
adverb"truly"
count1
1
adverb"carefully"
count2
2
adverb"utterly"
count1
3
adverb"really"
count2
4
adverb"slightly"
count1
5
adverb"precisely"
count1
highlights
0"truly"
1"carefully"
2"utterly"
3"really"
4"slightly"
5"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)
40.16% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1671
totalAiIsms20
found
0
word"chill"
count2
1
word"gloom"
count2
2
word"methodical"
count1
3
word"scanning"
count1
4
word"resonated"
count1
5
word"ephemeral"
count1
6
word"furrowed"
count1
7
word"glinting"
count1
8
word"etched"
count1
9
word"intricate"
count1
10
word"trembled"
count1
11
word"otherworldly"
count1
12
word"raced"
count1
13
word"pulsed"
count1
14
word"vibrated"
count1
15
word"familiar"
count1
16
word"parameters"
count1
17
word"grave"
count1
highlights
0"chill"
1"gloom"
2"methodical"
3"scanning"
4"resonated"
5"ephemeral"
6"furrowed"
7"glinting"
8"etched"
9"intricate"
10"trembled"
11"otherworldly"
12"raced"
13"pulsed"
14"vibrated"
15"familiar"
16"parameters"
17"grave"
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
emotionTells1
narrationSentences120
matches
0"g with excitement"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences120
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)
analyzedSentences137
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen62
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans5
markdownWords5
totalWords1673
ratio0.003
matches
0"exclusive"
1"unusual"
2"spent"
3"through"
4"magic"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
33.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions59
wordCount1216
uniqueNames18
maxNameDensity1.64
worstName"Quinn"
maxWindowNameDensity4
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn20
Tube3
North1
London1
Railway1
Camden1
Lock1
Veil1
Market1
Kowalski1
British1
Museum1
Thorne8
Eva13
Julian1
Morris2
Couldn1
persons
0"Harlow"
1"Quinn"
2"Tube"
3"Railway"
4"Market"
5"Kowalski"
6"Thorne"
7"Eva"
8"Julian"
9"Morris"
places
0"North"
1"London"
globalScore0.678
windowScore0.333
0.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences89
glossingSentenceCount9
matches
0"looked like a night market, frozen in tim"
1"looked like shrunken heads hanging from a"
2"as if trying to grasp something just beyond reach"
3"seemed muted in the harsh light, though her round glasses still perched expectantly on her nose"
4"looked like carved bone tokens"
5"looked like branding, but the skin wasn’t"
6"g erratically, seemingly tracking something"
7"felt like the memory of a ghost"
8"Something like the whispers that had followe"
20.68% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.793
wordCount1673
matches
0"Not just the absence of Tube rumbling, but a stillness"
1"not pointing north, but oscillating erratically, seemingly tracking something invisi"
2"Not pointing towards an entrance or an exit, but directly at Julian Thorne’s chest"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences137
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs32
mean52.28
std26.44
cv0.506
sampleLengths
077
1112
275
358
496
52
692
735
858
939
1032
1165
1243
1318
1477
1554
1636
1769
1824
1970
2045
2116
2232
2336
2429
2538
2617
2730
2875
2956
3084
3183
87.72% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences120
matches
0"been preserved"
1"was frozen"
2"were sunken"
3"were rumpled"
4"was *spent"
5"was etched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs214
matches
0"was listening"
1"was piling"
2"was looking"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount1
flaggedSentences2
totalSentences137
ratio0.015
matches
0"Thorne wasn’t just dead; he was *spent*."
1"“No signs of robbery. His watch is still on his wrist, wallet still in his pocket.” She checked his left wrist – no watch."
91.06% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1223
adjectiveStacks0
stackExamples(empty)
adverbCount59
adverbRatio0.0482420278004906
lyAdverbCount27
lyAdverbRatio0.022076860179885527
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences137
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences137
mean12.21
std9.11
cv0.746
sampleLengths
019
119
26
35
410
517
61
721
815
911
1025
117
1222
137
144
1515
168
1719
1820
1913
2017
2115
229
2311
241
255
2623
2714
2810
2912
3010
3119
328
332
346
3520
3624
3716
3816
396
404
4121
4210
434
4421
4526
4611
4712
4812
497
60.10% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.38686131386861317
totalSentences137
uniqueOpeners53
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences105
matches
0"Too many shadows, too many"
1"Instead, a sprawling, haphazard collection"
2"Then she saw the body."
3"Sometimes she called herself an"
ratio0.038
75.24% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount38
totalSentences105
matches
0"Her breath plumed in the"
1"She hated abandoned Tube stations."
2"It looked like a night"
3"She’d always dismissed it as"
4"She strode past a stall"
5"Her gaze swept over the"
6"It lay sprawled across a"
7"His face was frozen in"
8"His skin was parchment-tight, almost"
9"He looked desiccated, as if"
10"His eyes, though wide open,"
11"Her curly red hair, usually"
12"She squatted, pulling on a"
13"She gestured vaguely at the"
14"His clothes were rumpled, but"
15"Her brown eyes narrowed."
16"They looked like branding, but"
17"She ran a gloved finger"
18"It was small, polished smooth,"
19"It was cluttered with silver"
ratio0.362
40.95% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount88
totalSentences105
matches
0"The air hung thick and"
1"Detective Harlow Quinn ducked under"
2"Her breath plumed in the"
3"She hated abandoned Tube stations."
4"This one, rumored to be"
5"The light of the forensic"
6"It looked like a night"
7"Goods of unknown origin gleamed"
8"This wasn’t Camden Lock, not"
9"This was the Veil Market,"
10"She’d always dismissed it as"
11"Uniforms dotted the scene, their"
12"Quinn adjusted the worn leather"
13"She strode past a stall"
14"Her gaze swept over the"
15"The stalls themselves looked unharmed,"
16"It lay sprawled across a"
17"The victim was a man,"
18"His face was frozen in"
19"His skin was parchment-tight, almost"
ratio0.838
95.24% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences105
matches
0"Now, here she stood."
1"Or, if it was, they"
ratio0.019
86.83% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences51
technicalSentenceCount4
matches
0"Not just the absence of Tube rumbling, but a stillness that pressed down, like the earth itself was listening."
1"It lay sprawled across a display of tarnished silver amulets, one arm flung out as if trying to grasp something just beyond reach."
2"He looked desiccated, as if every drop of moisture, every spark of life, had been violently siphoned from him."
3"Something like the whispers that had followed Morris to his grave."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags19
uselessAdditionCount7
matches
0"Quinn kept, eyes scanning Thorne’s body"
1"Eva said, her green eyes earnest behind her lenses"
2"She knelt again, her eyes sweeping the dirt floor beneath the stall"
3"Eva explained, her voice quickening with excitement"
4"Quinn began, her voice low"
5"she said, her voice firmer than she felt"
6"a silent acknowledgement passing, an uneasy alliance forming against the inexplicable"
66.67% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount3
fancyTags
0"Quinn acknowledged (acknowledge)"
1"Eva confirmed (confirm)"
2"Eva explained (explain)"
dialogueSentences36
tagDensity0.194
leniency0.389
rawRatio0.429
effectiveRatio0.167
78.9591%