Run: 2026-09-03-01M1KRB8KWATR80VSBK561EPBB

Run Details

Duration:
15.6s
Cost:
$0.011203
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="4412" name="Aurora Carter" aliases="Rory, Laila, Aurora, Carter, Malphora" pronouns="she/her" species="Human" storyRole="Protagonist"> <eyeColor>bright blue</eyeColor> <hair>straight shoulder-length black</hair> <height>5'6"</height> <age>25</age> <scar>small crescent-shaped scar on her left wrist from a childhood accident</scar> <description>Aurora, referred to by her friends as Rory, is cool-headed, intelligent, and known for quick out-of-the-box thinking.</description> <backstory>Born in Cardiff to an Irish barrister father (Brendan Carter) and Welsh teacher mother (Jennifer Carter née Ellis), Rory reluctantly pursued Pre-Law at Cardiff University. She fled to London at the behest of her childhood friend Eva after leaving an abusive ex named Evan. By day, Rory works part-time as a delivery person for Yu-Fei Cheung's Golden Empress restaurant. She lives in a flat above Silas' bar.</backstory> </character> <location id="861" name="The Fae Grove" aliases="Isolde's grove, Richmond grove, the Grove" realm="Earth (Fae-touched)"> <parkLocation>Richmond Park</parkLocation> <standingStones>ancient oak standing stones mark the boundary</standingStones> <timeBehavior>time moves differently — an hour inside can be minutes or days outside</timeBehavior> <flora>wildflowers bloom year-round</flora> <description>A hidden clearing that exists in a pocket between Earth and the Fae realm.</description> </location> <item id="2001" name="Heartstone Pendant" aliases="the pendant, Heartstone" type="Artifact" origin="Dymas"> <gemstoneColor>deep crimson</gemstoneColor> <chainMaterial>silver chain</chainMaterial> <size>roughly the size of a thumbnail</size> <behavior>pulses faintly with warmth when near a Hel portal</behavior> <glow>faint inner glow</glow> <description>Given to Aurora by an unknown benefactor.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the horror genre. A character is alone in a strange, isolated place at night. They came here for a reason, but something feels off from the moment they arrive. The wrongness builds slowly — sounds that shouldn't be there, things that move at the edge of vision, a growing certainty that they are not alone. Build tension through restraint, not through gore. Use the codex entries above as your world reference for the character and setting. Only include the prose of the scene without any markdown or commentary.

Model response

AI
The mist clinging to the lower hollows of Richmond Park did not follow Aurora into the grove. It stopped at the ring of ancient oak monoliths, curling back like water hitting hot iron, leaving the interior dry, breathless, and unnervingly warm. Rory stepped between two moss-draped standing stones, the soles of her scuffed boots sinking into a carpet of clover and wild anemones. In London, it was mid-November, and the chill off the Thames was the kind that bored directly into marrow. In here, beneath an arching canopy of leaves that blocked out the glow of the city sky, it smelled of crushed mint, honeysuckle, and the faint, sweet rot of perpetual summer. She paused, letting her breath level out. Her black hair, cut blunt at her shoulders, clung damply to her neck. She had walked two miles from the Richmond gate after abandoning her scooter near the road, drawn by a scrawled set of coordinates left on the counter of the Golden Empress during the lunch rush. It had been written on the back of a takeout slip in clean, deliberate script: *The Grove. Midnight. Check the third pillar.* A trap was the obvious conclusion. Rory’s father, with all his barrister’s precision, would have cataloged the logical fallacies of walking alone into an uncharted patch of Fae-touched ground in the dead of night. But after Evan, after the quiet terror of Cardiff and the exhausting hypervigilance she carried across the bridge to London, Rory had developed a low tolerance for unknown variables. She preferred knowing the shape of whatever was hunting her. She reached beneath the collar of her canvas jacket and checked the Heartstone. The thumbnail-sized crimson gem hung quietly on its silver chain against her sternum. It was cool to the touch. Reassured, she lowered her hand, her thumb habitually finding the faint, crescent-shaped scar on her left wrist and rubbing the smooth line of tissue. The clearing was no larger than the footprint of Silas’s pub, but space here had a way of stretching at the seams. The seven oak stones stood at irregular intervals, their surfaces gnarled and split, resembling ancient sentries frozen mid-stride. Rory approached the third pillar from the eastern gap. The silence hit her then. It wasn't the heavy quiet of an empty flat or the hush of an early-morning street; it was a total, vacuum-sealed absence of sound. Richmond Park was home to hundreds of red deer, screeching parakeets, and the distant, ever-present low-frequency hum of Heathrow flights descending through the low cloud deck. None of it crossed the threshold. Inside the grove, there was only the sound of her own pulse drumming against her eardrums and the soft, dry rustle of her coat sleeves. She reached the third stone. The wood was black as peat, furrowed with fissures deep enough to swallow a coin. Rory drew a small penlight from her pocket, clicked it on, and raked the narrow beam across the grain. Nothing. No carvings, no hidden envelope tucked into the bark, no message. She frowned, stepping closer. The penlight’s beam caught a patch of pale white lichen that had grown over a knot in the wood. As she watched, a tiny moth crawled out from beneath the crust of lichen, its wings beating in frantic, soundless flutters. It took off into the air, flew three inches in a jagged circle, and then dropped straight down into the dirt, motionless. Rory stared at it. The moth’s legs didn't twitch. It hadn't collided with anything; it had simply stopped. A faint prickle of heat touched the skin between her collarbones. She slipped a hand inside her jacket. The Heartstone was no longer cold. A dull, rhythmic warmth had begun to radiate from its facets, like an ember pulled from the edge of a hearth. It pulsed once. Twice. A slow, sluggish heartbeat that didn't match her own. *Hel.* The breath hitched in Rory’s throat. The benefactor who had given her the pendant hadn't left an instruction manual, but the warning had been unequivocal: the stone slept until the world cracked, until the sulfurous edge of a Hel-tear pressed against reality. Rory clicked off the penlight. The darkness that rushed in was thick and velvety, illuminated only by the faint, unearthly blue-violet luminescence of the nightshade blossoms bordering the clearing. She turned slowly, keeping her back toward the oak pillar. The clearing looked different without the narrow focus of the flashlight. The boundary stones seemed taller, their tops lost in the black mass of the canopy. And the distance between them—the gap she had entered through barely three minutes ago—looked impossibly far away, as if the grove had exhaled and expanded tenfold. *Time moves differently here,* she reminded herself, forcing her cool Cardiff pragmatism to the surface. *An hour inside is ten minutes outside. Or three days. Don't panic. Just walk the straight line back to the boundary.* She took two paces toward the perimeter. Behind her, a dry twig snapped. The sound was sharp, loud as a pistol crack in the dead air. Rory froze, her boots locked into the loam. Her weight was entirely on her right foot. She did not breathe. She hadn't stepped on dry wood. The floor of the grove was lush, spongy with green shoots and petals that never withered. There were no dead branches on the ground. Slowly, without lifting her heels, she turned her head. The clearing behind her was empty. The third stone stood solitary against the gloom, its Peat-black surface undisturbed. Then she saw the shadow. It wasn't cast by the pale glow of the flora. It was an anomaly of light, a patch of dense, concentrated blackness that clung to the outer edge of the fifth stone, roughly twenty feet to her right. It was too tall for a person, too narrow for a tree, and it was slightly out of focus, vibrating at its edges like heat rising off asphalt on a July afternoon. Rory’s pendant flared hot against her chest, a sudden, stinging spike of temperature that burned through the thin cotton of her shirt. She gasped, pressing her palm against the stone through her jacket to smother the faint crimson glow leaking around the collar. The shadow shifted. It did not walk. It elongated. The top of the shape tilted forward, bending at an angle no human spine could accommodate, peering around the curve of the oak monolith. Rory’s rational mind tried to dismantle the image—a trick of low light, the warped perspective of the Fae threshold, exhaustion from three consecutive twelve-hour delivery shifts. But then she heard the sound that accompanied the movement. It was not a growl, nor a footfall. It was the sound of wet paper being slowly, rhythmically torn in half. *Rip. Pause. Rip.* It came from the base of the stone where the shadow pooled. Rory took a cautious step backward, keeping her eyes fixed on the fifth pillar. Her back foot touched something soft, and the ground yielded with a sickening, liquid squelch. She looked down for a fraction of a second. The wildflowers around her boots were turning black. The petals curled, blackened by an invisible frost, collapsing into grey ash that dissolved instantly into the soil. A creeping circle of necrosis was spreading outward from the center of the clearing, swallowing the vibrant green, stripping the grove of its unnatural life. When she looked up, the shadow was no longer behind the fifth stone. It was on the third. The one she had stood beside seconds ago. It crouched atop the rough bark, four or five feet off the ground, folded like a mantis. In the faint crimson bleed of the Heartstone beneath Rory’s fingers, she could make out the texture of its limbs—not flesh, but something pale, smooth, and jointed, like carved bone stripped of marrow. It had no face, only a smooth expanse of white where features should have been, but Rory felt the weight of its attention drop onto her with the physical force of a lead weight. It knew she was looking. The torn-paper sound stopped. In its place came a wet, hollow inhalation, dragging the humid summer air out of the grove and replacing it with the stench of copper, wet ash, and ozone. Rory did not run. Instinct honed by years of surviving monsters in human skin told her that running was a trigger; running turned you into prey. Instead, she drew a slow, deliberate breath, slipped her right hand into her pocket around the heavy iron casing of her penlight, and stepped backward into the dark, watching the pale thing slowly unfurl its limbs.
created_at"2026-09-03T13:46:46.275Z" 9/3/2026, 1:46:46 PM
model"google/gemini-3.7-flash-20260813"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1701
moderation_latency(null)
generation_time15543
tokens_prompt792
tokens_completion2516
native_tokens_prompt773
native_tokens_completion2833
native_tokens_completion_images0
native_tokens_reasoning973
native_tokens_cached0
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
finish_reason"stop"
native_finish_reason"STOP"
service_tier"default"
usage0.0112035
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788443206-6BAe6Z6iQrkhlOeNl5yv"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788443206-PvvQLp5TyVp2h5xPkVCN"
upstream_id"RnqZauybG4LUjMcPk8WGuQs"
provider_responses
0
endpoint_id"dd072012-3274-417d-97e3-e290cba37e31"
id"RnqZauybG4LUjMcPk8WGuQs"
is_byokfalse
latency1701
model_permaslug"google/gemini-3.7-flash-20260813"
provider_name"Google AI Studio"
status200
total_cost0.0112035
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
82.71% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1446
totalAiIsmAdverbs5
found
0
adverb"slowly"
count4
1
adverb"slightly"
count1
highlights
0"slowly"
1"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)
48.13% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1446
totalAiIsms15
found
0
word"chill"
count1
1
word"cataloged"
count1
2
word"variables"
count1
3
word"silence"
count1
4
word"pulse"
count1
5
word"furrowed"
count1
6
word"rhythmic"
count1
7
word"warmth"
count1
8
word"pulsed"
count1
9
word"weight"
count3
10
word"solitary"
count1
11
word"gloom"
count1
12
word"footfall"
count1
highlights
0"chill"
1"cataloged"
2"variables"
3"silence"
4"pulse"
5"furrowed"
6"rhythmic"
7"warmth"
8"pulsed"
9"weight"
10"solitary"
11"gloom"
12"footfall"
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
narrationSentences108
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences108
filterMatches(empty)
hedgeMatches
0"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences108
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen37
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans5
markdownWords36
totalWords1442
ratio0.025
matches
0"The Grove. Midnight. Check the third pillar."
1"Hel."
2"Time moves differently here,"
3"An hour inside is ten minutes outside. Or three days. Don't panic. Just walk the straight line back to the boundary."
4"Rip. Pause. Rip."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions1
unquotedAttributions0
matches(empty)
97.99% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions41
wordCount1442
uniqueNames19
maxNameDensity1.04
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Richmond3
Park2
Aurora1
London2
Thames1
Golden1
Empress1
Grove1
Fae-touched1
Evan1
Cardiff2
Rory15
Heartstone3
Silas1
Heathrow1
Hel-tear1
Peat-black1
July1
Fae2
persons
0"Evan"
1"Rory"
2"Silas"
3"Hel-tear"
places
0"Richmond"
1"Park"
2"London"
3"Thames"
4"Grove"
5"Cardiff"
globalScore0.98
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences82
glossingSentenceCount1
matches
0"seemed taller their tops lost in the black mass of the canopy"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.693
wordCount1442
matches
0"not flesh, but something pale, smooth"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences108
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs44
mean32.77
std23.85
cv0.728
sampleLengths
041
172
277
373
456
540
69
786
839
912
1066
1118
1211
1347
141
1542
1629
1710
1852
1936
207
216
2233
2330
249
2518
265
2770
2843
293
3030
3136
3221
333
3412
3538
3651
3713
3813
3984
405
4133
4226
4336
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences108
matches
0"been written"
74.21% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs212
matches
0"was hunting"
1"were turning"
2"was spreading"
3"was looking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount3
flaggedSentences6
totalSentences108
ratio0.056
matches
0"It wasn't the heavy quiet of an empty flat or the hush of an early-morning street; it was a total, vacuum-sealed absence of sound."
1"It hadn't collided with anything; it had simply stopped."
2"And the distance between them—the gap she had entered through barely three minutes ago—looked impossibly far away, as if the grove had exhaled and expanded tenfold."
3"Rory’s rational mind tried to dismantle the image—a trick of low light, the warped perspective of the Fae threshold, exhaustion from three consecutive twelve-hour delivery shifts."
4"In the faint crimson bleed of the Heartstone beneath Rory’s fingers, she could make out the texture of its limbs—not flesh, but something pale, smooth, and jointed, like carved bone stripped of marrow."
5"Instinct honed by years of surviving monsters in human skin told her that running was a trigger; running turned you into prey."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1461
adjectiveStacks2
stackExamples
0"faint, crescent-shaped scar"
1"faint, unearthly blue-violet"
adverbCount49
adverbRatio0.03353867214236824
lyAdverbCount25
lyAdverbRatio0.017111567419575632
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences108
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences108
mean13.35
std9.45
cv0.708
sampleLengths
017
124
222
319
431
57
613
735
817
91
104
116
1228
1329
1410
1513
1613
176
1824
1922
2018
219
225
2324
2426
256
2625
275
2815
2919
301
3111
324
3319
3421
3522
364
375
389
3911
407
416
4221
433
441
459
461
476
4836
495
40.43% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats13
diversityRatio0.3148148148148148
totalSentences108
uniqueOpeners34
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences99
matches
0"Just walk the straight line"
1"Slowly, without lifting her heels,"
2"Then she saw the shadow."
3"Instead, she drew a slow,"
ratio0.04
82.63% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount34
totalSentences99
matches
0"It stopped at the ring"
1"She paused, letting her breath"
2"Her black hair, cut blunt"
3"She had walked two miles"
4"It had been written on"
5"She preferred knowing the shape"
6"She reached beneath the collar"
7"It was cool to the"
8"It wasn't the heavy quiet"
9"She reached the third stone."
10"She frowned, stepping closer."
11"It took off into the"
12"It hadn't collided with anything;"
13"She slipped a hand inside"
14"It pulsed once."
15"She turned slowly, keeping her"
16"She took two paces toward"
17"Her weight was entirely on"
18"She did not breathe."
19"She hadn't stepped on dry"
ratio0.343
66.06% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount78
totalSentences99
matches
0"The mist clinging to the"
1"It stopped at the ring"
2"Rory stepped between two moss-draped"
3"She paused, letting her breath"
4"Her black hair, cut blunt"
5"She had walked two miles"
6"It had been written on"
7"A trap was the obvious"
8"Rory’s father, with all his"
9"She preferred knowing the shape"
10"She reached beneath the collar"
11"The thumbnail-sized crimson gem hung"
12"It was cool to the"
13"The clearing was no larger"
14"The seven oak stones stood"
15"Rory approached the third pillar"
16"The silence hit her then."
17"It wasn't the heavy quiet"
18"Richmond Park was home to"
19"None of it crossed the"
ratio0.788
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences99
matches(empty)
ratio0
93.60% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences58
technicalSentenceCount4
matches
0"The benefactor who had given her the pendant hadn't left an instruction manual, but the warning had been unequivocal: the stone slept until the world cracked, u…"
1"The darkness that rushed in was thick and velvety, illuminated only by the faint, unearthly blue-violet luminescence of the nightshade blossoms bordering the cl…"
2"It was an anomaly of light, a patch of dense, concentrated blackness that clung to the outer edge of the fifth stone, roughly twenty feet to her right."
3"The petals curled, blackened by an invisible frost, collapsing into grey ash that dissolved instantly into the soil."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
85.7920%