Run: 2026-05-10-01KR8VPT3XXVJ6W0AJ4BFHV7DQ

Run Details

Duration:
8.9s
Cost:
$0.002727
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 air inside the boundary of the standing stones tasted of ozone and rotting lilies, a sharp, cloying contrast to the damp London night beyond. Rory pulled her coat tighter, the coarse wool doing little to keep out the unnatural vibration that seemed to emanate from the ground itself. She stood just inside the perimeter of the ancient oaks, her bright blue eyes scanning the darkness of Richmond Park. Somewhere in the distance, a fox shrieked—a jagged, human-sounding cry that stopped as abruptly as it began. Her left wrist ached, a phantom sensation pulsing around the small, crescent-shaped scar she’d carried since she was seven. She rubbed her thumb over it, then reached up to touch the Heartstone pendant tucked beneath her scarf. It was warm—unnervingly so, like a feverish skin pressed against her chest. Even through the fabric, the crimson stone emitted a pulse, a slow, rhythmic thrum that matched the beat of her own heart. She wasn't supposed to be here. She was supposed to be dropping off the last delivery for Yu-Fei, a stack of takeout containers that were likely already growing stone-cold in her thermal bag. But the pendant had hummed with an insistent, low-frequency pitch half an hour ago, drawing her toward the park like a compass needle finding north. The Grove was silent now. Too silent. Even the insects had retreated, as if the grass were holding its breath. Rory took a hesitant step forward, her boot sinking into soil that felt more like velvet than dirt. The wildflowers—shouldn't they be dormant in this weather?—glowed with a faint, bioluminescent pallor, casting long, writhing shadows against the gnarled trunks of the oaks. She turned in a slow circle, straining to hear anything beyond the sudden, suffocating stillness. There was a sound, faint and rhythmic, like dry parchment being crumpled. It came from behind a massive hawthorn bush to her left. She stood perfectly still, her intelligence screaming at her to run, but her feet felt heavy, as if the earth were trying to claim her ownership. Who’s there? she asked. Her voice sounded thin, swallowed instantly by the heavy, stagnant air. No answer. Just the rustle again, closer now, a wet drag of something heavy moving across the grass. Rory shifted, the movement clumsy in the dark. She focused on the edge of her vision, where the shadows seemed to pool and thicken, defying the moonlight that struggled to penetrate the canopy of the Grove. Something moved—a flick of motion so fast it had to be a trick of the light. It looked like a limb, long and impossibly disjointed, shifting behind the trunk of an oak. Her hand went to the Heartstone, clutching it tight. The heat radiating from it was intense now, a stinging warmth that seeped into her palm. She felt exposed, a stray scrap of paper caught in a draft. She thought of her flat above Silas’ bar, the smell of stale beer and cheap sanitizer, the safety of the mundane world that felt suddenly, terribly far away. Think, she told herself. Rory, think. She stopped retreating. She forced herself to plant her feet, her gaze narrowing, cooling her panic into a sharp, analytical edge. If she was being hunted, she couldn't outrun it. She had to understand the rules of the pocket. She took a step toward the hawthorn, her blue eyes darting, sweeping the shifting shapes. There—near the base of the nearest standing stone. A shadow that didn't belong to the stone. It was crouched, spindly and angular, its silhouette distorted by the way the moonlight fractured around the Grove’s barrier. It wasn't a creature of flesh in any way she knew; it was more of a void, a hole cut into the fabric of the night. A low, guttural vibration crawled up her spine. It wasn't a growl, but a sound like grinding stones. The Heartstone grew hot, a searing, frantic pulse against her skin. It was reacting to proximity. Something was tearing open the seam between worlds, and whatever had stepped through was not meant to exist here. She backed away, one inch at a time, her senses heightened to a painful degree. Every twitch of a leaf, every shift in the air pressure hit her like a physical blow. The thing moved again, not by walking, but by blinking from one patch of darkness to the next. It was closer now, perhaps ten feet away. She could see the texture of it—a matte, abyssal black that seemed to drink the meager light. It had no face, only a vertical fissure where a mouth might have been, leaking a thin, translucent vapor. She realized with a jolt of ice in her veins that it wasn't looking at her the way a predator looked at prey. It was exploring her, testing the edges of her existence. It moved with a jerky, stop-motion gait, its long, thin fingers—or claws, or blades—tracing the air as if reading invisible braille. She didn't scream. She didn't bolt. She simply adjusted her grip on her bag, her knuckles white, her breath hitched in her throat. She stayed within the circle of the stones, hoping that the boundary that kept the world out also kept this horror in. The creature stopped. It hovered in the space between two ancient oaks, its form rippling like smoke caught in a gale. It tilted, reacting to the Heartstone’s frantic heat. For a moment, the atmosphere grew so dense she felt as though she were underwater, the pressure pushing against her eardrums. Then, the creature let out a sound—a jarring imitation of a human voice, high and thin and distorted, like a corrupted recording. Rory? The hair on the nape of her neck stood up. It knew her name. Not through the air, but through the vibration in the soil, the rhythm of her own pulse, the memory caught in the atmosphere of the Grove. She took a breath—forced, shallow—and pulled the pendant from beneath her shirt. The crimson gem flared, a burst of angry, deep light that illuminated the space for a heartbeat. The creature recoiled, hissing, the sound like steam escaping a pressurized pipe. It didn't retreat, but it stalled, its form shivering. Rory kept the light fixed on it, her arm trembling, her blue eyes wide and unblinking. She didn't know what the stone was or why it mattered, but it was the only thing standing between her and the void. She began to walk backward, not toward the park exit, but toward the standing stones, toward the boundary. The creature began to pulse, mirroring the heart-beat of the stone, its own dark form flickering with an internal, sickly violet light. It was learning. It was adapting. She reached the edge of the stones, the cool, familiar air of the late-night park breeze hitting the back of her neck like a salvation. She didn't hesitate. She stepped through the layer of static, feeling the world tilt on its axis as she crossed the threshold. The transition was violent, a sharp pop of pressure that made her ears ring. She stumbled onto the grass of the real Richmond Park, the dampness of the earth soaking through her jeans. Behind her, the Grove was just a cluster of trees, silent and orderly under the pale, indifferent moon. Rory stood for a long time, her heart hammering against her ribs, the Heartstone slowly cooling against her palm. She looked down at her wrist, at the crescent scar, and wondered if the thing inside had finally stopped watching, or if it was merely waiting for her to come back. She tucked the pendant away, adjusted her bag, and walked toward the distant glow of the streetlights, not daring to look back, even when she heard her own voice, faint and distorted, whispering from the trees behind her.
created_at"2026-05-10T11:52:35.224Z" 5/10/2026, 11:52:35 AM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency737
moderation_latency(null)
generation_time8792
tokens_prompt812
tokens_completion1938
native_tokens_prompt773
native_tokens_completion1689
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"STOP"
service_tier"standard"
usage0.00272675
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"g3EAapSXGoinqtsPyeOFqAM"
is_byokfalse
latency737
model_permaslug"google/gemini-3.1-flash-lite-20260507"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1778413955-W7U9wXr5nA5tujGUUxKw"
session_id(null)
api_type"completions"
id"gen-1778413955-FoiUp73hm2X67FPeNueK"
upstream_id"g3EAapSXGoinqtsPyeOFqAM"
total_cost0.00272675
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences0
tagDensity1
leniency1
rawRatio0
effectiveRatio0
88.63% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1319
totalAiIsmAdverbs3
found
0
adverb"perfectly"
count1
1
adverb"suddenly"
count1
2
adverb"slowly"
count1
highlights
0"perfectly"
1"suddenly"
2"slowly"
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)
43.14% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1319
totalAiIsms15
found
0
word"scanning"
count1
1
word"pulse"
count4
2
word"rhythmic"
count2
3
word"velvet"
count1
4
word"warmth"
count1
5
word"fractured"
count1
6
word"searing"
count1
7
word"abyssal"
count1
8
word"predator"
count1
9
word"tracing"
count1
10
word"familiar"
count1
highlights
0"scanning"
1"pulse"
2"rhythmic"
3"velvet"
4"warmth"
5"fractured"
6"searing"
7"abyssal"
8"predator"
9"tracing"
10"familiar"
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
narrationSentences90
matches(empty)
47.62% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount5
narrationSentences90
filterMatches
0"think"
hedgeMatches
0"seemed to"
1"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences90
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen38
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1308
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions1
matches
0"Think, she told herself."
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions24
wordCount1286
uniqueNames8
maxNameDensity0.54
worstName"Rory"
maxWindowNameDensity1
worstWindowName"Heartstone"
discoveredNames
London1
Richmond2
Park2
Heartstone5
Yu-Fei1
Grove5
Think1
Rory7
persons
0"Heartstone"
1"Grove"
2"Rory"
places
0"London"
1"Richmond"
2"Park"
globalScore1
windowScore1
47.26% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences73
glossingSentenceCount3
matches
0"vibration that seemed to emanate from the ground itself"
1"looked like a limb, long and impossibly d"
2"as if reading invisible braille"
0.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords2.294
wordCount1308
matches
0"not by walking, but by blinking from one patch of darkness to the next"
1"Not through the air, but through the vibration in the soil, the rhythm of her own pul"
2"not toward the park exit, but toward the standing stones, toward the boundary"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences90
matches
0"hoping that the"
89.90% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs25
mean52.32
std24.31
cv0.465
sampleLengths
086
171
258
362
464
515
618
768
865
96
1039
1176
1253
1394
1454
1545
1672
171
1840
1950
2057
2128
2261
2337
2488
89.67% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences90
matches
0"was supposed"
1"being crumpled"
2"being hunted"
3"was crouched"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount9
totalVerbs219
matches
0"were holding"
1"were trying"
2"was reacting"
3"was tearing"
4"wasn't looking"
5"was exploring"
6"was learning"
7"was adapting"
8"was merely waiting"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount12
semicolonCount1
flaggedSentences10
totalSentences90
ratio0.111
matches
0"Somewhere in the distance, a fox shrieked—a jagged, human-sounding cry that stopped as abruptly as it began."
1"It was warm—unnervingly so, like a feverish skin pressed against her chest."
2"The wildflowers—shouldn't they be dormant in this weather?—glowed with a faint, bioluminescent pallor, casting long, writhing shadows against the gnarled trunks of the oaks."
3"Something moved—a flick of motion so fast it had to be a trick of the light."
4"There—near the base of the nearest standing stone."
5"It wasn't a creature of flesh in any way she knew; it was more of a void, a hole cut into the fabric of the night."
6"She could see the texture of it—a matte, abyssal black that seemed to drink the meager light."
7"It moved with a jerky, stop-motion gait, its long, thin fingers—or claws, or blades—tracing the air as if reading invisible braille."
8"Then, the creature let out a sound—a jarring imitation of a human voice, high and thin and distorted, like a corrupted recording."
9"She took a breath—forced, shallow—and pulled the pendant from beneath her shirt."
90.03% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount494
adjectiveStacks1
stackExamples
0"small, crescent-shaped scar"
adverbCount22
adverbRatio0.044534412955465584
lyAdverbCount6
lyAdverbRatio0.012145748987854251
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences90
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences90
mean14.53
std8.08
cv0.556
sampleLengths
025
124
220
317
419
518
612
722
86
927
1025
115
122
1313
1418
1524
1615
1712
1811
1926
202
212
2211
232
2416
258
2628
2716
2816
299
3016
3112
3228
334
342
353
3618
379
389
3915
408
418
4219
4326
448
4510
4611
475
4819
4915
32.22% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats16
diversityRatio0.24444444444444444
totalSentences90
uniqueOpeners22
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences84
matches
0"Somewhere in the distance, a"
1"Even the insects had retreated,"
2"Just the rustle again, closer"
3"Then, the creature let out"
ratio0.048
0.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount49
totalSentences84
matches
0"She stood just inside the"
1"Her left wrist ached, a"
2"She rubbed her thumb over"
3"It was warm—unnervingly so, like"
4"She wasn't supposed to be"
5"She was supposed to be"
6"She turned in a slow"
7"It came from behind a"
8"She stood perfectly still, her"
9"Her voice sounded thin, swallowed"
10"She focused on the edge"
11"It looked like a limb,"
12"Her hand went to the"
13"She felt exposed, a stray"
14"She thought of her flat"
15"She stopped retreating."
16"She forced herself to plant"
17"She had to understand the"
18"She took a step toward"
19"It was crouched, spindly and"
ratio0.583
31.43% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount72
totalSentences84
matches
0"The air inside the boundary"
1"Rory pulled her coat tighter,"
2"She stood just inside the"
3"Her left wrist ached, a"
4"She rubbed her thumb over"
5"It was warm—unnervingly so, like"
6"She wasn't supposed to be"
7"She was supposed to be"
8"The Grove was silent now."
9"Rory took a hesitant step"
10"The wildflowers—shouldn't they be dormant"
11"She turned in a slow"
12"It came from behind a"
13"She stood perfectly still, her"
14"Her voice sounded thin, swallowed"
15"Rory shifted, the movement clumsy"
16"She focused on the edge"
17"Something moved—a flick of motion"
18"It looked like a limb,"
19"Her hand went to the"
ratio0.857
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences84
matches
0"Even through the fabric, the"
1"If she was being hunted,"
ratio0.024
2.34% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences61
technicalSentenceCount12
matches
0"Rory pulled her coat tighter, the coarse wool doing little to keep out the unnatural vibration that seemed to emanate from the ground itself."
1"Somewhere in the distance, a fox shrieked—a jagged, human-sounding cry that stopped as abruptly as it began."
2"She was supposed to be dropping off the last delivery for Yu-Fei, a stack of takeout containers that were likely already growing stone-cold in her thermal bag."
3"Rory took a hesitant step forward, her boot sinking into soil that felt more like velvet than dirt."
4"She stood perfectly still, her intelligence screaming at her to run, but her feet felt heavy, as if the earth were trying to claim her ownership."
5"She focused on the edge of her vision, where the shadows seemed to pool and thicken, defying the moonlight that struggled to penetrate the canopy of the Grove."
6"The heat radiating from it was intense now, a stinging warmth that seeped into her palm."
7"She forced herself to plant her feet, her gaze narrowing, cooling her panic into a sharp, analytical edge."
8"It moved with a jerky, stop-motion gait, its long, thin fingers—or claws, or blades—tracing the air as if reading invisible braille."
9"For a moment, the atmosphere grew so dense she felt as though she were underwater, the pressure pushing against her eardrums."
10"The crimson gem flared, a burst of angry, deep light that illuminated the space for a heartbeat."
11"Rory stood for a long time, her heart hammering against her ribs, the Heartstone slowly cooling against her palm."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
72.0747%