Run: 2026-02-24-01KJ8TKBSJ9AETT61W2CQE3H9N

Run Details

Model:
Aion 2.0
Duration:
1m 17s
Cost:
$0.005418
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 damp Camden air clung to Detective Harlow Quinn’s trench coat as she ducked under the police tape strung across a rusted service door. The entrance was tucked between a kebab shop and a record store, all neon and noise, but the alley behind was a pocket of silence. Her worn leather watch felt tight on her wrist as she checked the time: 23:47. The call had come in as a possible homicide, location unusual. An abandoned Tube station. Her sharp jaw tightened. She descended a crumbling staircase, the concrete steps slick with condensation. The air grew colder, carrying a metallic tang and something else—ozone, like after a lightning strike. At the bottom, the beam of her flashlight cut through a vast, echoing darkness. This wasn't just a disused station; it was a cavern. Arching Victorian brickwork formed a vaulted ceiling lost in shadow. But along the old platform, a bizarre tableau was illuminated by the stark white of forensic lights. Stalls. Dozens of them, fashioned from scrap wood and moth-eaten velvet, were arrayed in a haphazard bazaar. They were empty now, save for a few overturned tables and scattered, peculiar items: vials of iridescent liquid, bundles of feathers that looked too large for any bird, books bound in what appeared to be scaled hide. The scene was silent except for the low murmur of the forensics team and the drip of water from the tunnel mouth. “Quinn.” Detective Sergeant Liam Carter emerged from behind a stall hung with tarnished bells. He was a broad man, ten years her junior, with a perpetually harried expression. “Hell of a place. Squatters’ market, looks like. Niche stuff. Occult, satanic, you know the drill.” “The drill,” Quinn repeated, her voice flat. Her eyes were already cataloguing. Military precision kept her movements economical as she stepped onto the platform. The floor was gritty with ancient dust and newer footprints. “Where’s the victim?” Carter led her to the far end, near the mouth of the dark tunnel where trains once ran. A body lay supine, covered by a sheet. Carter pulled it back. The man was in his sixties, gaunt, with skin the colour of old parchment. He wore a tailored waistcoat of an outdated cut over a simple linen shirt. His throat had been cut—a single, deep, precise incision. But Quinn’s gaze snapped to his hands. They were stained a deep, unnatural blue, as if he’d been handling ink, and his fingertips were calloused not with labour, but with fine, precise work. A craftsman’s hands. On a cord around his neck hung a small, carved token—a piece of yellowed bone, etched with a labyrinthine pattern. “We’re thinking a deal went bad,” Carter offered, nodding at the stalls. “This is clearly an illegal market. He was probably the organiser. Rival maybe thought he was holding out. Classic territorial dispute.” Quinn didn’t answer. She crouched, her knees popping. She ignored the wound for a moment, studying the area around the body. No spatter pattern on the dusty floor matched the arterial spray from a carotid cut. The blood had pooled neatly beneath him, too contained. As if he’d already been on the ground when his throat was opened. She looked at his face. His eyes were open, a pale, milky blue. No fear there. Surprise, maybe. “Was anything taken?” she asked. Carter shrugged. “Hard to say. Place is full of junk. Forensics is bagging everything. But there’s this.” He held up an evidence bag. Inside was a small, empty wooden box lined with faded velvet. A perfect rectangle of clean space sat in the centre of the dust on a table near the body. “Looks like something was displayed here. Probably what the killer wanted.” “Any idea what?” “Some kind of navigational instrument,” a new voice said, soft and hesitant. Quinn stood and turned. A young woman with a freckled complexion and a head of riotous red curls stood a few feet away, clutching a worn leather satchel to her chest. She pushed her round glasses up her nose with a finger. Eva Kowalski. Quinn had been briefed; the museum had sent a research assistant from their restricted archives as a consultant due to the “unusual artefacts” reported. Quinn had filed it under bureaucratic nonsense. “And you are?” Quinn asked, though she knew. “Eva Kowalski. From the British Museum.” Eva’s green eyes were wide behind her lenses, taking in the market with a mixture of dread and fascination. She tucked a curl behind her left ear, a nervous, quick gesture. “A navigational instrument,” Quinn prompted, her tone leaving no room for irrelevant detail. Eva approached, careful not to touch anything. She pointed to the empty space in the box. “The dimensions suggest a small compass. But not a standard one.” She gestured to the stall itself. The wood was carved with faint, intricate symbols. Quinn had dismissed them as graffiti or artistic flourish. Now she looked closer. They matched the style of the sigil on the bone token around the dead man’s neck. “These are protective sigils,” Eva said, her voice gaining a thread of academic confidence. “Very old. And look here.” She indicated the edge of the velvet lining in the box. A faint, greenish stain. “Verdigris. From brass. So a brass compass, stored here, etched with similar sigils for protection. It wasn’t just a tool. It was a significant artefact.” “A fancy compass,” Carter said, sighing. “So our victim was a collector of weird antiques. Killer stole his prized possession. Motive still stands.” Quinn walked away from them, her flashlight beam sweeping the ground. The evidence didn’t add up. A territorial dispute in a black market would be messy, violent, with signs of a struggle. This was clean. Surgical. The lack of spatter… it was as if the killing was almost ceremonial. And the victim’s hands… She stopped near a puddle of stagnant water by the tunnel mouth. Next to it, almost invisible against the dark brick, was a smudge. She crouched again. Not a smudge. A footprint. But it wasn’t made by mud or dust. It seemed etched into the brick itself, a slight depression, and within its outline, the brick was bleached pale, as if all colour had been sucked out. It was cold to the touch, colder than the surrounding stone. A supernatural chill seeped through her glove. “Carter,” she called. “Over here.” He came over, Eva trailing behind. “What is it?” “A print.” He shone his light. “I don’t see anything.” “Look at the brick. The colour. The temperature.” Carter touched it. “It’s damp. It’s a old station, Quinn. Everything’s weird down here.” Eva, however, had gone very still. She was staring at the print, then at the tunnel mouth, then back at the empty display box. “It points,” she whispered. “What?” Quinn snapped. “The compass. If it was a Veil Compass… they don’t point north.” Eva’s voice was barely audible. “They point toward the nearest supernatural rift or portal. A breach between worlds. That’s what the sigils are for—protection from the energies.” Quinn’s mind, a machine built on procedure and evidence, recoiled. Supernatural rift. The words were absurd. But they landed on a cold, hard place inside her—the unresolved file on DS Morris. Morris, who had been found in a similar forgotten place, his body surrounded by inexplicable thermal anomalies and electromagnetic distortions the report had ultimately labelled as faulty equipment. Unexplained circumstances. She looked at the bleached footprint. She looked at the victim’s blue-stained hands. A craftsman. A Shade artisan, her mind supplied, though she didn’t know where the term came from. The creator of the compass. The killer hadn’t been after a valuable collectible. They had been after a key. A key to find something. And they had taken it from the one man who could make or perhaps control it. This wasn’t a simple murder-robbery. It was an acquisition. Professional, cold, and connected to things her police training had no name for. Carter was talking, reiterating his theory about rival stallholders. Eva was watching Quinn, a silent question in her green eyes. Quinn stood, brushing dust from her trousers. “Bag the box, the token, and photograph this area with spectral imaging,” she said, her voice leaving no room for argument. “I want a full work-up on the residue on the victim’s hands. And pull any cold cases with similar… environmental disturbances.” “Quinn, that’s a hell of a stretch,” Carter said. “Maybe,” she said, her gaze fixed on the dark tunnel. The compass was gone. Its needle, wherever it was now, would be pointing somewhere. And for the first time since Morris died, Harlow Quinn felt a dreadful, certain clarity. The evidence didn’t add up because she’d been trying to fit it into the wrong world. A deeper, darker market was operating here, and she had just seen the first real clue. She checked her watch again, a habit. Time was moving. But now, she suspected, it might not be the only thing.
created_at"2026-02-24T21:59:03.053Z" 2/24/2026, 9:59:03 PM
model"aion-labs/aion-2.0-20260223"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2149
moderation_latency(null)
generation_time76157
tokens_prompt923
tokens_completion3435
native_tokens_prompt960
native_tokens_completion2906
native_tokens_completion_images(null)
native_tokens_reasoning1071
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"
usage0.0054176
router(null)
provider_responses
0
endpoint_id"1e93b0bb-eb0f-49bc-8fda-947105413b86"
id"0cff2075-1524-421d-9e18-da55146e37ab"
is_byokfalse
latency196
model_permaslug"aion-labs/aion-2.0-20260223"
provider_name"AionLabs"
status200
api_type"completions"
id"gen-1771970343-O4q1N6CMTsKDbfy4ohzt"
upstream_id"0cff2075-1524-421d-9e18-da55146e37ab"
total_cost0.0054176
cache_discount(null)
upstream_inference_cost0
provider_name"AionLabs"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags19
adverbTagCount0
adverbTags(empty)
dialogueSentences36
tagDensity0.528
leniency1
rawRatio0
effectiveRatio0
93.34% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1501
totalAiIsmAdverbs2
found
0
adverb"very"
count2
highlights
0"very"
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)
53.36% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1501
totalAiIsms14
found
0
word"silence"
count1
1
word"echoing"
count1
2
word"stark"
count1
3
word"velvet"
count3
4
word"etched"
count3
5
word"perfect"
count1
6
word"standard"
count1
7
word"intricate"
count1
8
word"chill"
count1
9
word"spectral"
count1
highlights
0"silence"
1"echoing"
2"stark"
3"velvet"
4"etched"
5"perfect"
6"standard"
7"intricate"
8"chill"
9"spectral"
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
narrationSentences128
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences128
filterMatches
0"watch"
hedgeMatches
0"appeared to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences144
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen37
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1496
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions16
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions47
wordCount1222
uniqueNames13
maxNameDensity1.31
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Quinn"
discoveredNames
Camden1
Detective2
Harlow2
Quinn16
Tube1
Victorian1
Sergeant1
Liam1
Carter9
Kowalski1
Eva8
Morris3
Shade1
persons
0"Harlow"
1"Quinn"
2"Sergeant"
3"Liam"
4"Carter"
5"Kowalski"
6"Eva"
7"Morris"
places
0"Detective"
globalScore0.845
windowScore0.667
89.76% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences83
glossingSentenceCount2
matches
0"it was as if the killing was almost ceremonial"
1"seemed etched into the brick itself, a slight depression, and within its outline, the brick was bleached pale, as if all colour had been sucked out"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.668
wordCount1496
matches
0"not with labour, but with fine, precise work"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences144
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs39
mean38.36
std29.29
cv0.764
sampleLengths
083
178
276
31
443
537
630
793
833
976
105
1164
123
1312
1475
158
1637
1713
1870
1959
2023
2180
2258
235
249
252
268
278
2814
2928
303
3139
3261
3335
3457
3520
3649
379
3892
77.85% Passive voice overuse
Target: ≤2% passive sentences
passiveCount10
totalSentences128
matches
0"was tucked"
1"was illuminated"
2"were arrayed"
3"were stained"
4"were calloused"
5"was opened"
6"been briefed"
7"was carved"
8"was bleached"
9"been sucked"
10"been found"
11"was gone"
25.48% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount5
totalVerbs191
matches
0"were already cataloguing"
1"was staring"
2"was talking"
3"was watching"
4"was operating"
23.81% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount2
flaggedSentences6
totalSentences144
ratio0.042
matches
0"The air grew colder, carrying a metallic tang and something else—ozone, like after a lightning strike."
1"This wasn't just a disused station; it was a cavern."
2"His throat had been cut—a single, deep, precise incision."
3"On a cord around his neck hung a small, carved token—a piece of yellowed bone, etched with a labyrinthine pattern."
4"Quinn had been briefed; the museum had sent a research assistant from their restricted archives as a consultant due to the “unusual artefacts” reported."
5"But they landed on a cold, hard place inside her—the unresolved file on DS Morris."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1229
adjectiveStacks2
stackExamples
0"single, deep, precise incision."
1"small, empty wooden box"
adverbCount24
adverbRatio0.01952807160292921
lyAdverbCount5
lyAdverbRatio0.0040683482506102524
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences144
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences144
mean10.39
std7.05
cv0.679
sampleLengths
024
125
215
311
44
54
611
716
814
910
1010
1117
121
1316
1437
1522
161
1713
1814
1916
207
215
2212
2310
243
2518
268
274
2814
2914
309
317
3226
333
3420
3512
3621
373
385
3913
4015
419
4213
435
448
453
462
475
482
4921
56.94% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.375
totalSentences144
uniqueOpeners54
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences114
matches(empty)
ratio0
93.68% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount36
totalSentences114
matches
0"Her worn leather watch felt"
1"Her sharp jaw tightened."
2"She descended a crumbling staircase,"
3"They were empty now, save"
4"He was a broad man,"
5"Her eyes were already cataloguing."
6"He wore a tailored waistcoat"
7"His throat had been cut—a"
8"They were stained a deep,"
9"She crouched, her knees popping."
10"She ignored the wound for"
11"She looked at his face."
12"His eyes were open, a"
13"He held up an evidence"
14"She pushed her round glasses"
15"She tucked a curl behind"
16"She pointed to the empty"
17"She gestured to the stall"
18"They matched the style of"
19"She indicated the edge of"
ratio0.316
43.33% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount95
totalSentences114
matches
0"The damp Camden air clung"
1"The entrance was tucked between"
2"Her worn leather watch felt"
3"The call had come in"
4"An abandoned Tube station."
5"Her sharp jaw tightened."
6"She descended a crumbling staircase,"
7"The air grew colder, carrying"
8"This wasn't just a disused"
9"Dozens of them, fashioned from"
10"They were empty now, save"
11"The scene was silent except"
12"Detective Sergeant Liam Carter emerged"
13"He was a broad man,"
14"Quinn repeated, her voice flat"
15"Her eyes were already cataloguing."
16"Military precision kept her movements"
17"The floor was gritty with"
18"Carter led her to the"
19"A body lay supine, covered"
ratio0.833
87.72% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences114
matches
0"As if he’d already been"
1"Now she looked closer."
ratio0.018
86.83% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences51
technicalSentenceCount4
matches
0"They were empty now, save for a few overturned tables and scattered, peculiar items: vials of iridescent liquid, bundles of feathers that looked too large for a…"
1"They were stained a deep, unnatural blue, as if he’d been handling ink, and his fingertips were calloused not with labour, but with fine, precise work."
2"It seemed etched into the brick itself, a slight depression, and within its outline, the brick was bleached pale, as if all colour had been sucked out."
3"Morris, who had been found in a similar forgotten place, his body surrounded by inexplicable thermal anomalies and electromagnetic distortions the report had ul…"
19.74% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags19
uselessAdditionCount4
matches
0"Quinn repeated, her voice flat"
1"Quinn prompted, her tone leaving no room for irrelevant detail"
2"Eva said, her voice gaining a thread of academic confidence"
3"she said, her voice leaving no room for argument"
66.67% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags12
fancyCount3
fancyTags
0"Quinn repeated (repeat)"
1"she whispered (whisper)"
2"Quinn snapped (snap)"
dialogueSentences36
tagDensity0.333
leniency0.667
rawRatio0.25
effectiveRatio0.167
79.1063%