Run: 2026-03-03-01KJV0CQKA0Q1BHJPZAMFVQBR6

Run Details

Duration:
5m 55s
Cost:
$0.004933
Provider:
Seed

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 rain lashed Harlow’s trench coat collar as she hauled open the rusted metal grate covering the manhole, her boots thudding onto damp, mildewed concrete 20 feet below Camden High Street. The full moon hung low over the brick terraces, its silver light spilling through the opening to paint the walls in a pale, ghostly glow—tonight was the full moon, the night the Veil Market moved to this abandoned tunnel, the same night her partner DS Morris had died three years prior. She’d heard the whispers for years: that the market shifted locations with each lunar cycle, that you needed a bone token to slip past the veil between the human world and the realm of magic, that anyone who looked too close vanished without a trace. She’d never believed them—not until tonight. British Transport Police had called in the Met’s violent crime unit after finding a pool of dark, congealed blood seeping out of a blocked-off tunnel off Platform 13, a section of the line that had been sealed since 1982, after a string of “unexplained disturbances” written off as vandalism. The worn leather strap on her left wrist squeaked as she adjusted her grip on her flashlight, the beam cutting through the dust and fallen plaster to reveal spray-painted letters stenciled on the tunnel wall: VEIL MARKET, the paint still glossy, as if someone had touched it that day. A young BTP officer, his uniform still damp from the rain, stepped forward, holding out a laminated evidence bag. “Found this by the body, Detective Quinn. Looks like a dog bone, but it’s carved with weird symbols. We ran a forensics check—no prints, no DNA. Just cold, like it’s been buried for years.” Harlow took the bag, her fingers brushing the plastic. Inside was a cracked wolf bone, its edges worn smooth, the carving matching the sigils she’d memorized from Morris’s case file: the same ones etched into the brass compass sitting in her desk drawer at the station. She slipped the bag into her coat pocket, and the air shifted. The hum of distant chatter bloomed around her, not the muffled traffic of the street above, but a mix of guttural clicks, rolled R’s in a language she didn’t recognize, and the soft jingle of a bell above a stall door. The tunnel walls no longer looked like cracked concrete—they were draped in frayed velvet, strung with fairy lights that flickered with a blue, otherworldly glow, and rows of wooden stalls lined the path, some stacked with vials of glowing green liquid, others with taxidermied ravens, their eyes pebbled with glass, a vendor selling hand-poured candles shaped like skulls standing beside one stall, haggling with a figure in a long, flowing coat made of shadow. The BTP officer blinked, staring past her. “Detective? You okay? You look like you’ve seen a ghost.” Harlow looked back at him, and he was staring at a blank stretch of concrete, no stalls, no velvet drapes, no glowing lights. She’d been seen, the veil had lifted just enough for him to catch a glimpse, but he couldn’t process it. She forced a tight smile, her brown eyes steady as she nodded. “Just tired. Lead me to the body.” He turned and walked down the tunnel, and Harlow followed, her flashlight beam cutting through the silver moonlight to reveal a small brass compass glinting on the ground near a stack of jewelry boxes. She picked it up, her breath catching in her throat. It was the same compass Morris had been holding when he died, the one she’d taken from the crime scene, the one she’d hidden in her desk for three years. How had it gotten here? Ahead, a group of officers were huddled around a body, their flashlights pointed down at a stall stacked with enchanted jewelry, a hand-painted sign above it reading JAX’S CURIOSITIES scrawled in ink that looked like it was mixed with dried blood. Detective Inspector Tanner, her direct supervisor for the past year, was leaning over the body, his notebook tucked under one arm, a disgusted frown on his face. He’d been there when she’d submitted her report on Morris’s death, when she’d claimed the killer had not been human, when she’d shown him the sigils and the compass and the weird ash residue on Morris’s hands. He’d transferred her to cold cases a month later, told her she was burnt out, that she needed to stop chasing ghosts. “Quinn,” he said, not looking up. “You’re not going to believe what we pulled up here. Jax—small-time fence, ran a stall out of a pub basement in Kentish Town—was found with his throat slit. But the weird part? His wallet’s gone, his phone’s gone, but there’s a half-empty bag of heroin on the stall counter. BTP thinks it’s a drug deal gone bad. One of their regulars said he’d been dealing to a new crew out of Kent.” Harlow shone her flashlight on the body, and her stomach turned. Jax’s throat was torn, not sliced—there were ragged, curved marks gouged into his neck, not the clean, precise incisions a knife would leave. There was no knife on the ground, no trace of a weapon, and the heroin bag looked untouched, half-buried under a pile of small brass trinkets. She knelt down, moving with the military precision she’d honed during her initial police training, crouching low, keeping her flashlight trained on the body first, then the surroundings, always scanning for threats, her salt-and-pepper cropped hair falling forward over her face as she leaned in. She picked up one of the trinkets: a small compass, its casing covered in verdigris patina, the face etched with sigils identical to the ones on the bone token and Morris’s case file. The Veil Compass, exactly as the rumors and her old case notes described it. “This isn’t a drug deal,” she said, her voice sharp, her brown eyes narrowing as she held up the compass. “That’s a Veil Compass. Jax was selling magical artifacts, not heroin. You can see the sigils on these trinkets—they’re protective wards, against evil spirits, against human attackers. A drug dealer wouldn’t stock this stuff. The heroin bag was planted. Someone wants us to think this is a regular crime.” Tanner looked up, his brow furrowed, and she could see the doubt in his eyes, the same doubt he’d shown three years ago when she’d told him about Morris’s death. “Harlow, come on. This is Camden. Drug deals go bad here all the time. The wounds could be from a broken bottle, a chair leg—” “They’re not,” she interrupted, standing up and sweeping her flashlight across the empty stalls. “This wasn’t a human attacker. Look around—these stalls are stripped clean. The vendor who was haggling ten minutes ago is gone, the fairy lights are flickering out, and there’s no sign of a struggle except for the body. Jax was trying to use that compass to call for help, to open a rift to the human world, but someone got to him first. They killed him before he could finish, erased all his records, planted the heroin to lead us astray.” As she spoke, a soft clicking sound echoed behind her, the sound of claws scraping against concrete. Harlow turned, her flashlight beam catching a shadowy figure standing at the end of the aisle, taller than any human, its shoulders hunched, its hands tipped with long, curved claws. The figure vanished when the beam hit it, leaving only a trail of glowing green dust on the concrete, the same color as the liquid in the vials on the stalls. Tanner saw it too, his face draining of color, his notebook slipping from his hand to land on the concrete with a soft thud. “What the hell was that?” “I told you,” Harlow said, her voice quiet but firm, her gaze fixed on the trail of dust leading toward the tunnel mouth. “This isn’t a regular crime scene. Morris died here, three years ago. He was investigating the same thing—this market, the people who sell these artifacts, the ones who want to shut it down permanently. Jax was talking to me last month, said someone had been asking him about the Veil Compass, about the people who ran the market. He said he was scared, that they’d threatened him if he didn’t stop talking to the cops. I told him to come to the station, to file a report. He never showed up.” She walked over to the stall’s back wall, running her hand over the velvet drape. There was a small slot cut into the wood, filled with chalk sigils identical to the ones on the compass and the bone token. She pulled out her phone, pulling up the photo she’d taken of Morris’s palms, the sigils carved into his skin, the same sigils etched into the slot. They were a perfect match. “Jax was trying to open a portal through the veil, to get help,” she said, her voice tight with emotion. “But someone got to him first. They didn’t want anyone to know the Veil Market exists, that there’s magic hiding in the cracks of London. They killed him, planted the heroin, and left the compass to make it look like he was just another junkie. Except there’s no junkie here. No one who would buy or sell heroin in a market like this.” She knelt down again, picking up the Veil Compass, her fingers brushing the verdigris patina. The needle was spinning wildly, then it settled, pointing toward the tunnel mouth, toward the manhole cover above. She followed the needle’s direction, shining her flashlight along the ground, and found a trail of glowing green dust leading out of the tunnel, up the concrete stairs toward the street. The dust was warm under her flashlight beam, almost glowing, and she could smell the burnt sage again, sharp and sweet, clinging to the concrete. “Tanner,” she said, standing up and slinging her flashlight over her shoulder, her grip tightening on the compass in her pocket. “We need to follow this. This is bigger than a drug deal. This is supernatural, and it’s tied to Morris’s death. The killer is still out there, and they’re going to keep killing until no one knows about the Veil Market anymore.” Tanner picked up his notebook, his hands shaking slightly, and followed her toward the tunnel mouth. As they stepped back into the abandoned concrete tunnel, the fairy lights vanished, the chatter faded, and the air smelled like mildew and rain again, the Veil Market hidden once more behind the veil. But the trail of dust was still there, leading up the concrete stairs toward the street, and Harlow’s brown eyes glinted with determination as she started up the stairs, the worn leather strap on her left wrist digging into her skin as she moved with the military precision that had carried her through 18 years of decorated police work. She’d spent three years trying to convince everyone that Morris hadn’t died in a regular car crash, that the supernatural was real, that there were people who wanted to hide it. Now she had a crime scene, a trail of evidence, and a suspect who was willing to kill to keep the secret. The evidence didn’t add up, and she was going to find out why.
created_at"2026-03-03T23:26:49.001Z" 3/3/2026, 11:26:49 PM
model"bytedance-seed/seed-2.0-mini-20260224"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency420
moderation_latency(null)
generation_time342613
tokens_prompt923
tokens_completion13683
native_tokens_prompt946
native_tokens_completion12095
native_tokens_completion_images(null)
native_tokens_reasoning9654
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"
usage0.0049326
router(null)
provider_responses
0
endpoint_id"9265aa87-9657-4d40-b9d7-2a70318e57d9"
id"0217725804091218eaaf0e0958579087d97c57451756d00df368e"
is_byokfalse
latency420
model_permaslug"bytedance-seed/seed-2.0-mini-20260224"
provider_name"Seed"
status200
api_type"completions"
id"gen-1772580409-xnH19eRaYsjzsnJhRG9U"
upstream_id"0217725804091218eaaf0e0958579087d97c57451756d00df368e"
total_cost0.0049326
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags7
adverbTagCount0
adverbTags(empty)
dialogueSentences18
tagDensity0.389
leniency0.778
rawRatio0
effectiveRatio0
97.37% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1904
totalAiIsmAdverbs1
found
0
adverb"slightly"
count1
highlights
0"slightly"
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)
63.24% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1904
totalAiIsms14
found
0
word"etched"
count3
1
word"velvet"
count3
2
word"flickered"
count1
3
word"otherworldly"
count1
4
word"glinting"
count1
5
word"stomach"
count1
6
word"scanning"
count1
7
word"furrowed"
count1
8
word"echoed"
count1
9
word"perfect"
count1
highlights
0"etched"
1"velvet"
2"flickered"
3"otherworldly"
4"glinting"
5"stomach"
6"scanning"
7"furrowed"
8"echoed"
9"perfect"
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
emotionTells1
narrationSentences55
matches
0"d with determination"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences55
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences66
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen92
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1893
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions14
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount1387
uniqueNames14
maxNameDensity0.65
worstName"Morris"
maxWindowNameDensity1.5
worstWindowName"Morris"
discoveredNames
Harlow8
Camden1
High1
Street1
Veil4
Market2
Morris9
Transport1
Police1
Met1
Platform1
Inspector1
Tanner4
Compass2
persons
0"Harlow"
1"Veil"
2"Market"
3"Morris"
4"Police"
5"Inspector"
6"Tanner"
7"Compass"
places
0"Camden"
1"High"
2"Street"
3"Met"
globalScore1
windowScore1
5.77% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences52
glossingSentenceCount3
matches
0"looked like cracked concrete—they were dr"
1"looked like it was mixed with dried blood"
2"smelled like mildew and rain again, the Ve"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.528
wordCount1893
matches
0"not the muffled traffic of the street above, but a mix of guttural clicks, rolled R’s in a language she didn’"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences66
matches
0"cycle, that you"
88.85% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs21
mean90.14
std41.55
cv0.461
sampleLengths
0133
198
253
3173
417
562
679
7127
878
9152
1069
1155
1295
1378
1429
15114
1671
1783
1889
1963
20175
66.99% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences55
matches
0"been sealed"
1"were draped"
2"been seen"
3"were huddled"
4"was mixed"
5"was burnt"
6"was torn"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs230
matches
0"was staring"
1"was spinning"
2"was willing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences4
totalSentences66
ratio0.061
matches
0"The full moon hung low over the brick terraces, its silver light spilling through the opening to paint the walls in a pale, ghostly glow—tonight was the full moon, the night the Veil Market moved to this abandoned tunnel, the same night her partner DS Morris had died three years prior."
1"She’d never believed them—not until tonight."
2"The tunnel walls no longer looked like cracked concrete—they were draped in frayed velvet, strung with fairy lights that flickered with a blue, otherworldly glow, and rows of wooden stalls lined the path, some stacked with vials of glowing green liquid, others with taxidermied ravens, their eyes pebbled with glass, a vendor selling hand-poured candles shaped like skulls standing beside one stall, haggling with a figure in a long, flowing coat made of shadow."
3"Jax’s throat was torn, not sliced—there were ragged, curved marks gouged into his neck, not the clean, precise incisions a knife would leave."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1398
adjectiveStacks0
stackExamples(empty)
adverbCount30
adverbRatio0.02145922746781116
lyAdverbCount6
lyAdverbRatio0.004291845493562232
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences66
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences66
mean28.68
std18.82
cv0.656
sampleLengths
031
151
245
36
449
549
619
734
89
937
1012
1141
1274
137
1410
1523
1620
1712
187
1934
2010
2130
225
2341
2427
2537
2622
276
2872
2911
3023
3126
3245
3333
3414
3520
3649
3730
3825
3914
4081
4117
4230
4331
4424
455
4623
4791
4815
4924
57.58% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.4090909090909091
totalSentences66
uniqueOpeners27
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences55
matches(empty)
ratio0
52.73% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount23
totalSentences55
matches
0"She’d heard the whispers for"
1"She’d never believed them—not until"
2"She slipped the bag into"
3"She’d been seen, the veil"
4"She forced a tight smile,"
5"He turned and walked down"
6"She picked it up, her"
7"It was the same compass"
8"He’d been there when she’d"
9"He’d transferred her to cold"
10"he said, not looking up"
11"She knelt down, moving with"
12"She picked up one of"
13"she said, her voice sharp,"
14"she interrupted, standing up and"
15"She walked over to the"
16"She pulled out her phone,"
17"They were a perfect match."
18"she said, her voice tight"
19"She knelt down again, picking"
ratio0.418
50.91% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount45
totalSentences55
matches
0"The rain lashed Harlow’s trench"
1"The full moon hung low"
2"She’d heard the whispers for"
3"She’d never believed them—not until"
4"The worn leather strap on"
5"A young BTP officer, his"
6"Harlow took the bag, her"
7"She slipped the bag into"
8"The hum of distant chatter"
9"The tunnel walls no longer"
10"The BTP officer blinked, staring"
11"Harlow looked back at him,"
12"She’d been seen, the veil"
13"She forced a tight smile,"
14"He turned and walked down"
15"She picked it up, her"
16"It was the same compass"
17"Detective Inspector Tanner, her direct"
18"He’d been there when she’d"
19"He’d transferred her to cold"
ratio0.818
90.91% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences55
matches
0"Now she had a crime"
ratio0.018
26.58% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences43
technicalSentenceCount7
matches
0"The rain lashed Harlow’s trench coat collar as she hauled open the rusted metal grate covering the manhole, her boots thudding onto damp, mildewed concrete 20 f…"
1"The worn leather strap on her left wrist squeaked as she adjusted her grip on her flashlight, the beam cutting through the dust and fallen plaster to reveal spr…"
2"Ahead, a group of officers were huddled around a body, their flashlights pointed down at a stall stacked with enchanted jewelry, a hand-painted sign above it re…"
3"Tanner saw it too, his face draining of color, his notebook slipping from his hand to land on the concrete with a soft thud."
4"She followed the needle’s direction, shining her flashlight along the ground, and found a trail of glowing green dust leading out of the tunnel, up the concrete…"
5"But the trail of dust was still there, leading up the concrete stairs toward the street, and Harlow’s brown eyes glinted with determination as she started up th…"
6"She’d spent three years trying to convince everyone that Morris hadn’t died in a regular car crash, that the supernatural was real, that there were people who w…"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount2
matches
0"he said, not looking up"
1"she said, her voice tight with emotion"
38.89% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount2
fancyTags
0"British Transport Police had (have)"
1"she interrupted (interrupt)"
dialogueSentences18
tagDensity0.389
leniency0.778
rawRatio0.286
effectiveRatio0.222
74.6599%