Run: 2026-02-17-01KHMQE6PBKCFV8SEY79TGZF1J

Run Details

Duration:
19.4s
Cost:
$0.006919
Provider:
Google AI Studio

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<codex> <character id="4416" name="Detective Harlow Quinn" aliases="Quinn, Detective Quinn, Harlow" pronouns="she/her" species="Human" storyRole="Antagonist"> <eyeColor>brown</eyeColor> <hair>closely cropped salt-and-pepper</hair> <height>5'9"</height> <age>41</age> <jawline>sharp jaw</jawline> <watch>worn leather watch on her left wrist</watch> <bearing>military precision</bearing> <description>A Metropolitan Police detective with 18 years of decorated service who suspects the clique is involved in criminal activity.</description> <backstory>She lost her partner, DS Morris, during a case three years ago under unexplained circumstances that had supernatural origins she doesn't yet understand.</backstory> </character> <character id="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <location id="856" name="The Veil Market" aliases="Veil Market, the Market, underground market" realm="Earth"> <currentLocation>abandoned Tube station beneath Camden</currentLocation> <entryRequirement>bone token</entryRequirement> <schedule>moves locations every full moon</schedule> <description>A hidden supernatural black market that sells enchanted goods, banned alchemical substances, and information.</description> </location> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. Use the codex entries above as your world reference for characters and setting. Only include the prose of the scene without any markdown or commentary.

Model response

AI
The air in the abandoned Mornington Crescent Tube station tasted of copper and ozone, a sharp departure from the usual damp rot of London’s subterranean arteries. Detective Harlow Quinn checked the worn leather strap of her watch—02:14. Her boots clicked against the glazed tiles of the spiral staircase as she descended, her movements honed by eighteen years of policing and a rigid, military discipline that refused to buckle under the weight of the dark. She stopped at the foot of the stairs, her brown eyes narrowing. Uniformed officers had already cordoned off the platform with yellow tape, their shadows dancing against the soot-stained walls under the harsh glare of portable floodlights. This shouldn't have been a crime scene. By all blueprints and city records, this section of the Northern Line had been sealed since the Blitz. Yet, the air hummed with a low-frequency vibration that set Quinn’s teeth on edge. “Detective,” a voice called out. It was Miller, a young, eager constable who was currently sweating through his high-vis vest despite the subterranean chill. “Glad you’re here. It’s… well, it’s a bit of a mess.” Quinn ducked under the tape, her sharp jaw set. “The call said an illicit trade gone wrong. Why here, Miller? This station isn't on any modern map.” “Vandals broke the seal on the street level, apparently,” Miller said, gesturing toward the tracks. “We think it’s some kind of black market setup. Look at the stalls.” Quinn surveyed the platform. It didn't look like a typical gang hangout. Instead of spray paint and discarded beer cans, there were mahogany kiosks, collapsible velvet-lined tables, and jars filled with powders that glimmered with an oily, iridescent sheen. The Veil Market, the whisperers called it. She’d heard the rumors in the darker corners of Scotland Yard—a shifting bazaar of the impossible—but seeing the physical reality of it made the hair on her arms stand up. In the center of the platform lay the body. Quinn knelt beside the victim, her salt-and-pepper hair catching the silver light of the floods. The man was dressed in expensive tweeds, his face frozen in a mask of terminal confusion. There were no visible wounds, no blood pooling on the grime-caked concrete. Beside his outstretched hand lay a small object that didn't belong in a standard forensics kit: a brass compass, its casing thick with a green patina of verdigris. “Simple robbery-homicide,” Miller offered, standing over her with his notebook out. “Cornered him in the tunnels, used some kind of aerosol paralytic. Hearts stop when the dosage is too high. We found three other guys fleeing toward the Camden exit, looks like a local crew.” Quinn didn't answer. She reached out, not touching the body yet, but hovering her hand near the brass compass. The needle wasn't pointing North. It wasn't pointing anywhere constant; it spun in lazy, erratic circles, clicking softly against the glass face etched with strange, swirling sigils. “It’s not robbery,” Quinn said, her voice a low rasp. “Check his pockets.” Miller frowned. “Forensics already did a preliminary. Wallet’s gone, watch is gone.” “Check the inner lining of the jacket,” Quinn commanded. Miller sighed but knelt. He fumbled with the tweed, his fingers snagging on a hidden seam. He pulled out a small, jagged piece of polished white material. “A... piece of bone?” “A token,” Quinn corrected, her mind flashing back to a cold night three years ago. The night DS Morris had disappeared into a London fog that felt too thick, too sentient. “He wasn't robbed. He was paying. He was a regular here.” She stood up and walked toward the edge of the platform, the needle of the Veil Compass in her mind’s eye still spinning. She looked at the tracks. The dust was undisturbed for thirty feet in either direction, save for a single set of small, feminine footprints that led directly to the victim and then… nowhere. They stopped at the body. “Detective Quinn?” Quinn turned to see a figure standing near the tunnel entrance, held back by a junior officer. It was a woman with a riot of curly red hair and round glasses that seemed to reflect more light than they should. Eva Kowalski. Quinn knew her—a research assistant at the British Museum with a penchant for being present at all the wrong times. Eva was clutching a worn leather satchel to her chest, her fingers nervously tucking a stray curl behind her left ear. “Let her through,” Quinn ordered. Miller protested. “Ma’am, it’s a secured scene.” “I know who she is. Let her through.” Eva stumbled forward, her freckled complexion pale under the floodlights. She looked at the body, then at the brass compass on the ground, and a visible shudder went through her. “He shouldn't have been using a Shade artisan’s work without a grounding salt,” Eva whispered, more to herself than to the police. Quinn stepped into Eva’s personal space, using her height to cast a shadow over the younger woman. “Explain that, Kowalski. And explain why you’re in a condemned Tube station at three in the morning.” Eva adjusted her glasses, her eyes darting to the compass. “I was... I heard a rumor that a certain text had surfaced. A manuscript from the restricted archives that went missing last month. I thought it might be traded here tonight.” “The Veil Market moves every full moon,” Quinn said, her voice dropping to a dangerous silkiness. “You seem very well-informed for a librarian.” “I’m a researcher,” Eva corrected, though her hand didn't stop fidgeting with her hair. “And that man... he’s not just a victim of a mugging. Look at the patina on the compass, Detective. It’s reacting to something in the air. The rift didn't close properly when the market vanished.” Quinn looked back at the tracks. “The footprints stop at the body, Miller. You said your suspects ran toward Camden. But these prints? They’re fresh. They’re small. And they don't lead out.” She walked back to the body and crouched low, clicking on her heavy-duty flashlight. She shone the beam parallel to the floor. In the raking light, she saw it—not just the footprints, but a faint, shimmering residue, like the trail of a slug made of liquid silver, trailing from the victim’s open mouth toward the dark tunnel. “He didn't die of a heart attack,” Quinn said. “Something was taken from him. Something internal.” “The soul-breath,” Eva whispered, her voice trembling. “If you disrupt a trade at the Veil, the Market protects its own. It’s a literal price, Detective.” “There is no such thing as a soul-breath in the penal code, Eva,” Quinn snapped, though her heart was hammering against her ribs. She looked at the brass compass again. The needle had stopped spinning. It was now pointing directly at her. No. Not at her. At the shadow she cast on the wall. Quinn looked at her own shadow. In the harsh glare of the floodlights, it should have been a sharp, black silhouette. Instead, it was flickering, the edges blurring and stretching as if it were trying to detach itself from her boots. “Miller, get everyone back,” Quinn ordered, her hand moving instinctively to the holster at her hip, though she knew lead wouldn't do much against the things that lived in the Veil. “Ma’am?” “Move!” Quinn roared. As the officers retreated, the station lights flickered and died, plunged into a darkness so absolute it felt physical. Only the sigils on the brass compass remained visible, glowing with a faint, sickly green luminescence. In the silence, Quinn heard the sound of a page turning. It came from Eva’s direction, but when Quinn swung her light toward the girl, Eva was gone. In her place stood a tall, slender woman with a sharp jawline and eyes that mirrored Quinn’s own—a reflection in a mirror that wasn't there. “You’re looking for the truth about Morris,” the reflection said, its voice a haunting echo of Quinn’s own. “But the truth isn't in the evidence bags, Harlow. It’s in the things you refuse to see.” Quinn fired, the muzzle flash illuminating the empty air. The bullet struck the glazed tiles, shattering them into a thousand porcelain teeth. When the echoes died down, the station was empty. The body was still there, the compass was still there, but Eva Kowalski and the shimmering residue were gone. Miller ran back, his flashlight beam sweeping the room. “Detective! What happened? We heard a shot!” Quinn stood, her breath coming in ragged hitches. She looked at the brass compass. The needle was dead, pointing north like a mundane tool. She reached down, ignored the protocol for evidence collection, and slid the verdigris-covered device into her pocket. “Nothing,” Quinn said, her voice regaining its iron chill. “A rat tripped a wire. Tell the CO we’re done here. It’s a cold case. Tag it as an unexplained cardiac event.” She walked past the confused constable, her mind spinning faster than the compass ever could. Eva Kowalski was no mere researcher, and this market wasn't just a den of thieves. It was a doorway. And for the first time in three years, Harlow Quinn felt like she had the key. She felt the weight of the compass against her thigh, a cold, brass promise that the world was much larger, and much more terrifying, than the Metropolitan Police would ever admit. As she climbed the stairs back to the surface, she didn't look back. She didn't need to. She could feel the silver shimmer of the Veil clinging to her heels, a silent witness to a crime that didn't exist in any book but hers.
created_at"2026-02-17T02:39:19.19072+00:00" 2/17/2026, 2:39:19 AM
model"google/gemini-3-flash-preview-20251217"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1011
moderation_latency(null)
generation_time18831
tokens_prompt923
tokens_completion2528
native_tokens_prompt883
native_tokens_completion2159
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.0069185
router(null)
provider_responses
0
status200
is_byokfalse
latency1011
endpoint_id"6e82f652-2693-4b60-bbe0-7362d6e345f0"
provider_name"Google AI Studio"
model_permaslug"google/gemini-3-flash-preview-20251217"
api_type"completions"
id"gen-1771295939-Zb47CcFxnlrmG2hq6E3U"
upstream_id(null)
total_cost0.0069185
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
74.5098% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags17
adverbTagCount3
adverbTags
0"Quinn corrected, her mind flashing back to a cold night three years ago [back]"
1"Eva whispered, more to herself than to the police [more]"
2"Quinn ordered, her hand moving instinctively to the holster at her hip, though she knew lead wouldn't do much against the things that lived in the Veil [instinctively much]"
81.5271% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount1624
totalAiIsmAdverbs3
found
0
adverb"nervously"
count1
1
adverb"softly"
count1
2
adverb"very"
count1
highlights
0"nervously"
1"softly"
2"very"
100.0000% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.0000% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
44.5813% AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount1624
totalAiIsms9
found
0
word"flickered"
count1
1
word"porcelain"
count1
2
word"velvet"
count1
3
word"weight"
count2
4
word"dancing"
count1
5
word"echo"
count1
6
word"echoes"
count1
7
word"etched"
count1
highlights
0"flickered"
1"porcelain"
2"velvet"
3"weight"
4"dancing"
5"echo"
6"echoes"
7"etched"
100.0000% Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.0000% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences96
matches(empty)
100.0000% Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences96
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount1
totalSentences118
matches
0"“Explain that, Kowalski."
100.0000% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs46
mean34.89
std22.32
cv0.64
sampleLengths
074
176
235
327
428
576
69
771
845
946
1013
1112
129
1331
1442
1561
162
1783
185
197
208
2130
2222
2334
2441
2523
2649
2732
2857
2916
3025
3142
3212
3341
3431
351
363
3735
3853
3935
4050
4116
4241
4331
4481
4544
98.6111% Passive voice overuse
Target: ≤5% passive sentences
passiveCount5
totalSentences96
matches
0"been sealed"
1"was dressed"
2"was undisturbed"
3"was gone"
4"were gone"
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount6
totalVerbs196
matches
0"wasn't pointing"
1"wasn't pointing"
2"was clutching"
3"was hammering"
4"was flickering, were trying"
88.0000% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1228
adjectiveStacks2
stackExamples
0"collapsible velvet-lined tables,"
1"faint, sickly green luminescence."
adverbCount32
adverbRatio0.026058631921824105
lyAdverbCount10
lyAdverbRatio0.008143322475570033
100.0000% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences118
echoCount0
echoWords(empty)
100.0000% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences118
mean13.6
std8.59
cv0.632
sampleLengths
026
111
237
312
425
57
618
714
85
919
1011
119
1218
1315
1413
154
168
1727
187
1930
209
2115
2216
2312
2428
2511
2634
273
2816
295
3022
3110
323
332
3410
359
364
3712
3811
394
4015
4116
4211
4323
445
4527
461
475
482
4917
57.0621% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.3728813559322034
totalSentences118
uniqueOpeners44
0.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags17
fancyCount16
fancyTags
0"a voice called out (call out)"
1"Miller said, gesturing toward the tracks (say, gesture)"
2"Miller offered, standing over her with his notebook out (offer, stand)"
3"Quinn said, her voice a low rasp (say, voice)"
4"Quinn commanded (command)"
5"Quinn corrected, her mind flashing back to a cold night three years ago (correct, flash)"
6"Quinn ordered (order)"
7"Eva whispered, more to herself than to the police (whisper)"
8"Quinn said, her voice dropping to a dangerous silkiness (say, drop)"
9"Eva corrected, though her hand didn't stop fidgeting with her hair (correct, does not stop fidgeting)"
10"Eva whispered, her voice trembling (whisper)"
11"Quinn snapped, though her heart was hammering against her ribs (snap, hammer)"
12"Quinn ordered, her hand moving instinctively to the holster at her hip, though she knew lead wouldn't do much against the things that lived in the Veil (order, move instinctively know does not do much live)"
13"roared (roar)"
14"the reflection said, its voice a haunting echo of Quinn’s own (say, be)"
15"Quinn said, her voice regaining its iron chill (say, regain chill)"
84.9583%