Run: 2026-07-07-01KWZ59KJSCPJ50SP6TK72NE4S

Run Details

Model:
Aion 3.0
Duration:
59.4s
Cost:
$0.019681
Provider:
AionLabs

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 abandoned Tube station smelled of wet concrete and something older. Something that had been waiting in the dark long before the trains stopped running. Detective Harlow Quinn ducked beneath the yellow police tape strung across the entrance, her worn leather watch catching on the edge as she straightened. She paused at the top of the escalator — frozen, rusted, its teeth visible through gaps in the metal — and let her eyes adjust to the darkness below. Emergency lights had been rigged along the platform, their harsh white glare cutting through shadows that seemed to press back, resisting the intrusion. The uniforms had done their work. Blue and white tape crisscrossed the platform. A forensic tech in a white suit knelt near the eastbound tunnel entrance, swabbing something Quinn couldn't yet see. Two constables stood at the far end, their faces pale, their postures stiff in a way that told her they didn't want to be here any longer than necessary. She didn't blame them. "Detective Quinn." A voice from behind a tiled pillar. A woman stepped into view, small, slightly hunched under the weight of a worn leather satchel that bulged with books and papers. Red curls escaped from behind her ears despite what looked like a recent attempt to tame them, and round glasses sat slightly crooked on her freckled nose. She tucked a stubborn curl back behind her left ear — a gesture Quinn had already seen her make twice in thirty seconds. "Eva Kowalski," the woman said, extending her hand. "I'm with the British Museum. Restricted archives. your DI contacted me about the — the unusual nature of this scene." Quinn took the hand briefly. Firm grip for someone who looked like a strong wind could carry her off. "DI Chen mentioned. You're the occult specialist." "Research assistant." The correction came quickly, almost reflexively. "I hold a master's in Ancient History from Oxford. 'Occult specialist' tends to make people nervous." "We're standing in a dead Tube station in Camden at half past midnight looking at a crime scene that the responding officers won't approach without crossing themselves first." Quinn's voice was flat, matter-of-fact. "I think we're past nervous." She moved past Kowalski toward the platform, her boots echoing against the cracked tiles. The station had been closed since 1984, according to the file Chen had sent her. One of the many ghosts of the London Underground, sealed up and forgotten. But someone had been using it. The heavy iron door at the top of the escalator had been forced, but not from the outside. The lock had been broken from within. She noted that, filed it away, kept moving. The body lay near the edge of the platform, half in shadow. A man, mid-thirties, dressed in clothes that belonged on a City trader rather than down here. His eyes were open, fixed on the ceiling, and his expression was one of mild confusion rather than fear. No visible wounds. No blood. No sign of struggle. Quinn crouched beside him, her knee just touching the edge of his bespoke jacket. She tilted her head, studying the body the way she'd been trained: methodical, patient, without sentiment. The corpse was wrong. That was the only way she could describe it. His skin had a faint grey pallor that went beyond mere death, and when she leaned close, she could see — barely — a tracery of dark lines beneath the skin, like ink spreading through water. They traced from his fingertips up his forearms and disappeared beneath his sleeves. "He was found two hours ago," Kowalski said from behind her. "The responding officers assumed heart attack. Drug overdose, possibly. The grey colour and the subcutaneous discolouration — they thought opioid overdose, maybe something cut with a toxic agent." Quinn glanced over her shoulder. "You disagree." Kowalski pushed her glasses up, tucking that same curl behind her ear again. "I don't think he overdosed on anything you'd find in a toxicology screen. Those marks on his arms — the dark lines — that's not a drug reaction. It's not a reaction to anything natural." "It's a dead man with no visible injuries in an abandoned train station." Quinn kept her voice level. "Natural left the building a while ago." She stood, her eyes moving across the platform. The forensic tech had finished swabbing and moved on to photographing the area. Good. She needed a clear picture of the scene before anyone contaminated it further. "Here's what doesn't add up," Quinn said, more to herself than to Kowalski. "His shoes." She pointed to the man's polished Oxfords. "Clean. Not a scuff, not a speck of dust. You see the state of this platform? Decades of grime, standing water, mould. There's a film on everything. But his shoes look like they just came from a cobbler. His trousers are clean too — no dirt on the knees or cuffs. How did he get down here without picking up any of it?" Kowalski stepped closer, her green eyes narrowing behind her glasses. "He didn't walk in." "Then how? We checked the station. There's one entrance, and it was sealed until we forced it. Unless he rappelled through a ventilation shaft —" Quinn stopped, looking at the walls. "Are there other ways in?" "Maybe." Kowalski's voice had gone careful, measured. "There are stories about this station. Camden has — layers. Things beneath the beneath. If you know where to look." Quinn filed that away too. She'd heard enough of Chen's briefing to know why Kowalski was here. The brass compass found in the dead man's breast pocket. Small, no bigger than a fist, its casing greened with verdigris. Its face wasn't marked with cardinal directions but with strange symbols — sigils, Chen had called them — and its needle, when they'd found it, had been spinning lazily, not settling on north or any other fixed point. "Show me the compass," Quinn said. Kowalski opened her satchel, rummaging through it with the practiced ease of someone who knew exactly where everything was despite the chaos. She produced an evidence bag containing the compass. Quinn took it, holding it up to the emergency lights. The brass was cold. Colder than it should have been, sitting in a dead man's pocket for hours in a sealed station. The verdigris on the casing was uneven, concentrated around the sigils as if the markings themselves had oxidised from within. She turned it slowly. The needle — dark, almost black — swung in a wide arc, then seemed to hesitate. It pointed toward the eastbound tunnel, held for three seconds, then swung back. "This needle isn't broken," Quinn said. "It's reacting to something." Kowalski nodded slowly. "It's pointing toward a rift. A tear. A place where the boundary between —" She stopped, tucking her hair back. "Where things aren't as solid as they should be. Where two realities are bleeding into each other. Whoever made this compass was looking for exactly that." "A Shade artisan," Quinn said. She'd read Chen's preliminary notes. The compass was of supernatural make, bought or traded somewhere off the books. "Likely. The Veil Market moves. It was here, beneath Camden, until the full moon three weeks ago. Then it relocated. But the compass — if this man was using it, he was looking for something the Market had left behind. Or he was looking for the Market's new location." Quinn crouched again, studying the body from a new angle. She'd seen death before — more than most. Eighteen years on the force had given her a clinical relationship with the dead. But something about this man bothered her beyond the obvious impossibilities. "His watch," she said. "Look at his watch." Kowalski leaned in. The dead man wore a Patek Philippe on his left wrist. The face was cracked — not from impact, but from within. A hairline fracture radiated outward from the centre, and the hands had stopped at 11:47. But Quinn could see, even in the harsh light, that the crystal hadn't shattered outward. The crack went inward, as if something inside the watch had pushed against the glass. "Time didn't stop when his heart did," Quinn said quietly. "Something happened at 11:47 that affected everything within a certain radius. His watch, his body, the compass. Something passed through here." "Passed through?" Kowalski's voice was barely above a whisper. "Look at the platform." Quinn stood and walked three metres east, toward where the forensic tech had been swabbing. "The grime here is disturbed. Not scuffed or wiped — disturbed. There's a pattern. Concentric. Like ripples." She was right. In the harsh light, the pattern was faintly visible: circles within circles, radiating outward from a point near the eastbound tunnel entrance. The grime had been pushed back, not cleaned, as if something had pulsed through the air and displaced it. "He didn't die here," Quinn said. "He was already dead when he arrived. Or dying. Whatever killed him started in that tunnel and moved outward. He tried to run. Made it to the platform. The compass was in his hand —" She looked at his fingers, slightly curled. "There. You can see the impression of the casing still on his palm. He was holding it when whatever happened, happened. The compass was tracking something in that tunnel. He followed it. He found it." "And it killed him," Kowalski said. "Or he found the rift the compass was pointing toward, and the rift did something to him that we don't have a word for yet." Quinn looked toward the tunnel entrance. The emergency lights didn't reach inside. The darkness beyond was absolute, patient. "His clothes are clean because he didn't walk here. He was displaced. Moved. The rift — if that's what it was — deposited him here after whatever happened inside." She turned back to Kowalski. The younger woman's green eyes were wide behind her round glasses, and the nervous energy that had surrounded her since Quinn's arrival had stilled into something more focused. She wasn't just a research assistant with a master's degree. She was someone who understood what they were looking at in a way that Quinn was only beginning to grasp. "I need to go into that tunnel," Quinn said. "I wouldn't recommend it." "I didn't ask for a recommendation. I asked for your expertise." Quinn pulled a small torch from her coat pocket. "Whatever killed this man may still be active. The compass is still reacting. That means whatever it's tracking — this rift — may still be there. If someone else finds it before we do, we'll have another body. Maybe more." Kowalski studied her for a long moment. Then she tucking her hair behind her ear again, pulled a small notebook from her satchel, and began flipping through pages covered in cramped handwriting. "The Veil Market moves on the full moon," she said. "The next one is in six days. If there's a rift here — a permanent one, not just a temporary fracture — the Market may have used it as an anchor point. Access, egress, something like that. If you're going into that tunnel, we should follow where the compass points." Quinn held out her hand. After a moment's hesitation, Kowalski handed the compass back through the evidence bag. The needle swung. Settled. Pointed east. Into the dark.
created_at"2026-07-07T20:46:13.1Z" 7/7/2026, 8:46:13 PM
model"aion-labs/aion-3.0-20260707"
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streamedtrue
cancelledfalse
latency567
moderation_latency(null)
generation_time58987
tokens_prompt923
tokens_completion3427
native_tokens_prompt844
native_tokens_completion2917
native_tokens_completion_images(null)
native_tokens_reasoning549
native_tokens_cached157
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
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native_finish_reason"stop"
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provider_responses
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latency567
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provider_name"AionLabs"
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data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags18
adverbTagCount2
adverbTags
0"The correction came quickly [quickly]"
1"Quinn said quietly [quietly]"
dialogueSentences48
tagDensity0.375
leniency0.75
rawRatio0.111
effectiveRatio0.083
78.59% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1868
totalAiIsmAdverbs8
found
0
adverb"slightly"
count3
1
adverb"quickly"
count1
2
adverb"lazily"
count1
3
adverb"slowly"
count2
4
adverb"barely above a whisper"
count1
highlights
0"slightly"
1"quickly"
2"lazily"
3"slowly"
4"barely above a whisper"
80.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found
0"Chen"
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
73.23% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1868
totalAiIsms10
found
0
word"weight"
count1
1
word"echoing"
count1
2
word"methodical"
count1
3
word"traced"
count1
4
word"measured"
count1
5
word"practiced ease"
count1
6
word"crystal"
count1
7
word"shattered"
count1
8
word"whisper"
count1
9
word"pulsed"
count1
highlights
0"weight"
1"echoing"
2"methodical"
3"traced"
4"measured"
5"practiced ease"
6"crystal"
7"shattered"
8"whisper"
9"pulsed"
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
narrationSentences107
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences107
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)
analyzedSentences134
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen62
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
totalAttributions18
unquotedAttributions0
matches(empty)
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions52
wordCount1163
uniqueNames11
maxNameDensity2.15
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Quinn"
discoveredNames
Tube1
Harlow1
Quinn25
Kowalski15
Chen4
London1
Underground1
City1
Oxfords1
Patek1
Philippe1
persons
0"Harlow"
1"Quinn"
2"Kowalski"
3"Chen"
4"Underground"
5"Patek"
6"Philippe"
places
0"London"
globalScore0.425
windowScore0.167
48.65% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences74
glossingSentenceCount3
matches
0"shadows that seemed to press back, resisting the intrusion"
1"looked like a recent attempt to tame them"
2"looked like a strong wind could carry her"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.528
wordCount1893
matches
0"not from impact, but from within"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences134
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs49
mean38.63
std25.79
cv0.668
sampleLengths
025
176
261
34
481
528
626
724
838
981
1056
1192
1239
137
1448
1525
1635
1715
1870
1914
2036
2127
2276
236
2440
2575
2610
2749
2823
2949
3043
318
3270
3331
349
3536
3644
3783
386
3972
4063
419
424
4360
4432
4560
4618
476
483
85.59% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences107
matches
0"been rigged"
1"been closed"
2"been forced"
3"been broken"
4"been trained"
5"been pushed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs197
matches
0"were looking"
1"was only beginning"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount11
semicolonCount0
flaggedSentences7
totalSentences134
ratio0.052
matches
0"She paused at the top of the escalator — frozen, rusted, its teeth visible through gaps in the metal — and let her eyes adjust to the darkness below."
1"She tucked a stubborn curl back behind her left ear — a gesture Quinn had already seen her make twice in thirty seconds."
2"His skin had a faint grey pallor that went beyond mere death, and when she leaned close, she could see — barely — a tracery of dark lines beneath the skin, like ink spreading through water."
3"Its face wasn't marked with cardinal directions but with strange symbols — sigils, Chen had called them — and its needle, when they'd found it, had been spinning lazily, not settling on north or any other fixed point."
4"The needle — dark, almost black — swung in a wide arc, then seemed to hesitate."
5"She'd seen death before — more than most."
6"The face was cracked — not from impact, but from within."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1032
adjectiveStacks0
stackExamples(empty)
adverbCount32
adverbRatio0.031007751937984496
lyAdverbCount10
lyAdverbRatio0.009689922480620155
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences134
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences134
mean14.13
std11.06
cv0.783
sampleLengths
011
114
224
329
423
56
67
719
829
94
109
1122
1227
1323
148
1520
165
1714
187
198
2016
2133
225
2314
2415
2513
266
2718
287
298
3012
3116
3219
333
342
354
3614
3716
384
399
4036
4113
4211
4328
445
452
4613
4735
4818
497
58.46% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.39552238805970147
totalSentences134
uniqueOpeners53
35.09% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences95
matches
0"Then she tucking her hair"
ratio0.011
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount23
totalSentences95
matches
0"She paused at the top"
1"She didn't blame them."
2"She tucked a stubborn curl"
3"She moved past Kowalski toward"
4"She noted that, filed it"
5"His eyes were open, fixed"
6"She tilted her head, studying"
7"His skin had a faint"
8"They traced from his fingertips"
9"She stood, her eyes moving"
10"She needed a clear picture"
11"She pointed to the man's"
12"She'd heard enough of Chen's"
13"Its face wasn't marked with"
14"She produced an evidence bag"
15"She turned it slowly."
16"It pointed toward the eastbound"
17"She'd read Chen's preliminary notes."
18"She'd seen death before —"
19"She was right."
ratio0.242
49.47% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount78
totalSentences95
matches
0"The abandoned Tube station smelled"
1"Something that had been waiting"
2"Detective Harlow Quinn ducked beneath"
3"She paused at the top"
4"Emergency lights had been rigged"
5"The uniforms had done their"
6"A forensic tech in a"
7"She didn't blame them."
8"A voice from behind a"
9"A woman stepped into view,"
10"She tucked a stubborn curl"
11"the woman said, extending her"
12"Quinn took the hand briefly."
13"The correction came quickly, almost"
14"Quinn's voice was flat, matter-of-fact"
15"She moved past Kowalski toward"
16"The station had been closed"
17"The heavy iron door at"
18"The lock had been broken"
19"She noted that, filed it"
ratio0.821
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences95
matches(empty)
ratio0
32.97% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences52
technicalSentenceCount8
matches
0"Something that had been waiting in the dark long before the trains stopped running."
1"Emergency lights had been rigged along the platform, their harsh white glare cutting through shadows that seemed to press back, resisting the intrusion."
2"Two constables stood at the far end, their faces pale, their postures stiff in a way that told her they didn't want to be here any longer than necessary."
3"His skin had a faint grey pallor that went beyond mere death, and when she leaned close, she could see — barely — a tracery of dark lines beneath the skin, like…"
4"Kowalski opened her satchel, rummaging through it with the practiced ease of someone who knew exactly where everything was despite the chaos."
5"The verdigris on the casing was uneven, concentrated around the sigils as if the markings themselves had oxidised from within."
6"The younger woman's green eyes were wide behind her round glasses, and the nervous energy that had surrounded her since Quinn's arrival had stilled into somethi…"
7"She was someone who understood what they were looking at in a way that Quinn was only beginning to grasp."
69.44% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags18
uselessAdditionCount2
matches
0"Quinn said, more to herself than to Kowalski"
1"Kowalski's voice had, measured"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags12
fancyCount0
fancyTags(empty)
dialogueSentences48
tagDensity0.25
leniency0.5
rawRatio0
effectiveRatio0
77.6051%