Run: 2026-05-19-01KS0TK1JXCQ72CNJ33S6Y1GYN

Run Details

Duration:
20.3s
Cost:
$0.033190
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 cold of a London November did not belong in Richmond Park, but it followed Aurora Carter like a persistent debt. She kept her hands shoved deep into her coat pockets, her left thumb absentmindedly tracing the crescent-shaped scar on her left wrist. She had received the mark at seven years old, a silly tumble over a garden wall in Cardiff, but tonight the skin felt tight, a phantom ache blooming beneath the surface. Underneath her wool layers, tucked against her collarbone, the Heartstone pendant was growing hot. It was a small thing, barely the size of her thumbnail, but the deep crimson gem had begun to pulse against her skin an hour ago while she was clearing tables at the Golden Empress. It wasn't the gentle, comforting warmth she had grown used to. This was a feverish, throbbing heat that demanded she move, drawing her away from her flat above Silas’ bar and dragging her out into the sprawling, dark expanse of the park. Rory was not a woman prone to flights of fancy. A childhood spent watching her father dissect legal briefs had taught her to value cold, hard logic. But there was nothing logical about the way the silver chain of the pendant seemed to tighten around her throat, pulling her toward the deepest, most secluded patch of the woods. She stepped off the paved path, her boots crunching through dead leaves and damp twigs. The city lights faded behind her, swallowed by the dense canopy of ancient oaks. Then, the cold stopped. It didn't fade; it simply vanished, cut off with the clean precision of a heavy door slamming shut. Rory paused, her boots sinking into soft, springy turf. The air was suddenly thick, fragrant, and shockingly warm. She pulled her scarf down, her bright blue eyes adjusting to a strange, luminous twilight that seemed to rise from the ground itself. Before her lay the Grove. It was a perfect circular clearing, bounded by massive, towering pillars of dark wood. They looked like ancient oak trunks, but they were devoid of branches or leaves, smoothed down by centuries of unseen weather into the distinct shape of standing stones. Inside the circle, the dead brown of winter was entirely absent. Wildflowers—lupines, pale primroses, and thick clusters of bluebells—bloomed in violent, unnatural profusion, their petals glowing faintly in the dark. Rory took a slow step forward, crossing the threshold between the oak stones. The silence hit her first. It wasn't the quiet of a sleeping park. It was a vacuum. The distant, comforting rumble of London’s traffic, the rustle of the wind in the outer trees, even the sound of her own breathing seemed muffled, swallowed by the heavy air. She pulled her phone from her pocket to check the time. The screen flickered, a jagged line of static cutting across the display. The digital clock read 11:42 PM. She watched the screen for a minute, waiting for the numbers to change. When they finally did, the clock jumped back to 11:38 PM. Rory frowned, her cool-headed rationality kicking in. *A software glitch. Or the battery is dying in the damp.* But she knew the air wasn't damp. It was dry, sweet, and smelled faintly of overripe fruit. She reached into her collar and pulled the Heartstone out into the open. The crimson gem was glowing, a deep, blood-red light emanating from its core. It pulsed in perfect synchronization with her own heartbeat, but as she watched, the pulse skipped. Then it doubled. It wasn't matching her heart anymore. It was matching something else. A dry rustle came from the far side of the clearing. Rory froze. She slipped her phone back into her pocket, her hand closing instinctively around her keys—the only weapon she had. "Hello?" she called out. her voice sounded flat, stripped of its echo by the surrounding trees. No one answered. The wildflowers swayed, though there wasn't a breath of wind to move them. She scanned the perimeter. The shadows cast by the oak stones were wrong. The moon was high and slightly to her right, which meant the shadows should have stretched toward the left. Instead, they pooled inward, creeping across the glowing wildflowers like black oil spills, stretching toward the center of the clearing—toward her. A secondary sound joined the silence. A soft, wet *click*. It sounded like fingernails tapping on dry bone, or perhaps a beak snapping closed in the dark. It came from the shadow of the tallest oak stone, barely ten feet away. Rory didn't run. Her Pre-Law training, her natural instinct to analyze before reacting, kept her feet planted. *Identify the threat,* she told herself. *It's a deer. Richmond Park is full of deer.* But deer didn't hide in the pitch-black pockets of lightless space. And deer didn't cause her pendant to burn so hot that she could feel the metal links of the silver chain searing into her skin. "Is someone there?" she asked, her voice tighter this time. The shadow behind the stone shifted. It didn't step out; it poured. A portion of the darkness detached itself from the petrified wood, rising to a height that was tall, far too tall for a man. It had no distinct outline, just a silhouette that seemed to absorb the faint, bioluminescent glow of the wildflowers around it. The *click* echoed again, closer now. Rory took a step backward. Her boot caught on an exposed root, and she stumbled, her left hand striking the ground to catch herself. The soil was hot—not warm like the summer air, but radiating a low, feverish heat, like a forehead slick with sweat. Beneath her palm, she felt a rhythmic throb. The earth itself was pulsing. She scrambled back to her feet, her heart hammering against her ribs. The heat from the pendant was almost unbearable now, a sharp, localized fire against her chest. She looked down and saw the crimson light bleeding through the fabric of her coat. A portal. The pendant was reacting to a threshold opening nearby, but this wasn't a gentle transition. The air in the Grove was warping, bending like hot glass. The tall shadow at the edge of the clearing began to move. It didn't walk. It glid across the carpet of wildflowers, leaving no path in its wake. The flowers didn't bend under its weight; they withered. Where the shadow touched, the vibrant purples and whites turned to ash, collapsing into grey dust. Rory turned on her heel and sprinted back toward the gap between the two oak stones she had entered through. But when she reached the edge, the park was gone. Where the dark, familiar trees of Richmond should have been, there was only a wall of gray, impenetrable fog. It rolled up to the very edge of the oak stones, thick and motionless, like frozen smoke. She reached her hand out, but the moment her fingers hovered near the barrier, a wave of nauseating vertigo hit her. The air on the other side of the stones wasn't just cold; it felt dead, empty of oxygen, a vast nothingness. She spun back around. The shadow was in the middle of the clearing now, standing precisely where she had been a moment ago. It was taller, its form stretching toward the canopy, blocking out the sky. Rory could see no face, no eyes, but she could feel its gaze—a heavy, suffocating weight that pressed down on her lungs. The *click, click, click* resumed, faster now, like the sound of a dozen insects trapped inside a wooden box. She backed away until her spine hit the smooth, petrified wood of one of the standing stones. It was cold as ice, a stark contrast to the boiling heat of the ground and the searing burn of her pendant. The shadow stopped. It raised what looked like an arm—a long, jointed appendage that ended in fingers that were too thin, too many. It reached toward her, not with speed, but with the agonizing, inevitable crawl of a predator that knew its prey had nowhere left to run. Rory closed her fingers around the Heartstone. The heat blistered her palm, but she held on, squeezing the gemstone until she felt the sharp edges bite into her skin. She stared directly into the center of the shadow, her bright blue eyes wide, her jaw set. "No," she whispered. The shadow paused. The clicking sound stopped. For a single, breathless second, the entire Grove held its breath. The flowers stopped glowing. The warmth departed, leaving behind a stale, metallic tang that coated the back of her throat. Then, the pendant flared with a brilliant, blinding crimson light, and the silence was broken by the sound of a clock chiming midnight.
created_at"2026-05-19T19:14:49.57Z" 5/19/2026, 7:14:49 PM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1422
moderation_latency(null)
generation_time20209
tokens_prompt812
tokens_completion2830
native_tokens_prompt773
native_tokens_completion3559
native_tokens_completion_images0
native_tokens_reasoning1659
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"
usage0.0331905
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"qbYMar67LaCb9MoPrOSs-Ao"
is_byokfalse
latency1422
model_permaslug"google/gemini-3.5-flash-20260519"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.15.0; linux; x64))"
http_referer(null)
request_id"req-1779218089-9lYK2azCpwZBvrI0mRvX"
session_id(null)
api_type"completions"
id"gen-1779218089-HoMwWKzXENGPgu7sbgmM"
upstream_id"qbYMar67LaCb9MoPrOSs-Ao"
total_cost0.0331905
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
totalTags4
adverbTagCount0
adverbTags(empty)
dialogueSentences3
tagDensity1
leniency1
rawRatio0
effectiveRatio0
86.36% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1466
totalAiIsmAdverbs4
found
0
adverb"suddenly"
count1
1
adverb"slightly"
count1
2
adverb"very"
count1
3
adverb"precisely"
count1
highlights
0"suddenly"
1"slightly"
2"very"
3"precisely"
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)
4.50% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1466
totalAiIsms28
found
0
word"tracing"
count1
1
word"pulse"
count2
2
word"comforting"
count2
3
word"warmth"
count2
4
word"perfect"
count2
5
word"silence"
count3
6
word"flickered"
count1
7
word"pulsed"
count1
8
word"echo"
count1
9
word"scanned"
count1
10
word"could feel"
count2
11
word"searing"
count2
12
word"echoed"
count1
13
word"rhythmic"
count1
14
word"throb"
count1
15
word"weight"
count2
16
word"familiar"
count1
17
word"stark"
count1
18
word"predator"
count1
highlights
0"tracing"
1"pulse"
2"comforting"
3"warmth"
4"perfect"
5"silence"
6"flickered"
7"pulsed"
8"echo"
9"scanned"
10"could feel"
11"searing"
12"echoed"
13"rhythmic"
14"throb"
15"weight"
16"familiar"
17"stark"
18"predator"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"wave of emotion"
count1
highlights
0"a wave of nausea"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences112
matches(empty)
91.84% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount4
narrationSentences112
filterMatches(empty)
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)
analyzedSentences112
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen35
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans6
markdownWords28
totalWords1459
ratio0.019
matches
0"A software glitch. Or the battery is dying in the damp."
1"click"
2"Identify the threat,"
3"It's a deer. Richmond Park is full of deer."
4"click"
5"click, click, click"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions30
wordCount1440
uniqueNames13
maxNameDensity0.69
worstName"Rory"
maxWindowNameDensity1
worstWindowName"Rory"
discoveredNames
London2
November1
Richmond3
Park2
Aurora1
Carter1
Cardiff1
Heartstone3
Golden1
Empress1
Rory10
Grove3
Pre-Law1
persons
0"November"
1"Aurora"
2"Carter"
3"Rory"
places
0"London"
1"Richmond"
2"Park"
3"Cardiff"
4"Golden"
globalScore1
windowScore1
0.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences88
glossingSentenceCount6
matches
0"twilight that seemed to rise from the ground itself"
1"looked like ancient oak trunks, but they"
2"seemed muffled swallowed by the heavy air"
3"sounded like fingernails tapping on dry bo"
4"silhouette that seemed to absorb the faint, bioluminescent glow of the wildflowers around it"
5"looked like an arm—a long, jointed append"
62.92% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.371
wordCount1459
matches
0"not warm like the summer air, but radiating a low, feverish heat, like a forehead slick with s"
1"not with speed, but with the agonizing, inevitable crawl of a predator"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences112
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs43
mean33.93
std22.13
cv0.652
sampleLengths
074
114
277
358
429
54
659
75
872
913
1047
1153
1235
1345
1411
1511
1637
1716
1853
1910
2031
2132
2236
2310
2457
256
2658
2743
2828
2953
3020
3110
3278
334
3454
3519
3639
3748
3846
393
407
4131
4223
99.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences112
matches
0"was gone"
1"was broken"
7.16% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount7
totalVerbs242
matches
0"was clearing"
1"was glowing"
2"wasn't matching"
3"was matching"
4"was pulsing"
5"was reacting"
6"was warping"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount4
flaggedSentences10
totalSentences112
ratio0.089
matches
0"It didn't fade; it simply vanished, cut off with the clean precision of a heavy door slamming shut."
1"Wildflowers—lupines, pale primroses, and thick clusters of bluebells—bloomed in violent, unnatural profusion, their petals glowing faintly in the dark."
2"She slipped her phone back into her pocket, her hand closing instinctively around her keys—the only weapon she had."
3"Instead, they pooled inward, creeping across the glowing wildflowers like black oil spills, stretching toward the center of the clearing—toward her."
4"It didn't step out; it poured."
5"The soil was hot—not warm like the summer air, but radiating a low, feverish heat, like a forehead slick with sweat."
6"The flowers didn't bend under its weight; they withered."
7"The air on the other side of the stones wasn't just cold; it felt dead, empty of oxygen, a vast nothingness."
8"Rory could see no face, no eyes, but she could feel its gaze—a heavy, suffocating weight that pressed down on her lungs."
9"It raised what looked like an arm—a long, jointed appendage that ended in fingers that were too thin, too many."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount153
adjectiveStacks0
stackExamples(empty)
adverbCount4
adverbRatio0.026143790849673203
lyAdverbCount3
lyAdverbRatio0.0196078431372549
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences112
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences112
mean13.03
std7.65
cv0.587
sampleLengths
021
122
231
314
435
511
631
710
817
931
1015
1114
124
1318
149
159
1623
175
1814
1928
2011
2119
2213
235
248
254
2630
2711
2812
296
3013
3111
327
333
3415
3510
3613
3713
3816
393
406
415
4211
432
4419
454
4612
473
4813
494
37.50% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats14
diversityRatio0.23214285714285715
totalSentences112
uniqueOpeners26
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences109
matches
0"Then, the cold stopped."
1"Then it doubled."
2"Instead, they pooled inward, creeping"
3"Then, the pendant flared with"
ratio0.037
62.20% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount43
totalSentences109
matches
0"She kept her hands shoved"
1"She had received the mark"
2"It was a small thing,"
3"It wasn't the gentle, comforting"
4"She stepped off the paved"
5"It didn't fade; it simply"
6"She pulled her scarf down,"
7"It was a perfect circular"
8"They looked like ancient oak"
9"It wasn't the quiet of"
10"It was a vacuum."
11"She pulled her phone from"
12"She watched the screen for"
13"It was dry, sweet, and"
14"She reached into her collar"
15"It pulsed in perfect synchronization"
16"It wasn't matching her heart"
17"It was matching something else."
18"She slipped her phone back"
19"she called out"
ratio0.394
47.16% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount90
totalSentences109
matches
0"The cold of a London"
1"She kept her hands shoved"
2"She had received the mark"
3"It was a small thing,"
4"It wasn't the gentle, comforting"
5"This was a feverish, throbbing"
6"Rory was not a woman"
7"A childhood spent watching her"
8"She stepped off the paved"
9"The city lights faded behind"
10"It didn't fade; it simply"
11"Rory paused, her boots sinking"
12"The air was suddenly thick,"
13"She pulled her scarf down,"
14"It was a perfect circular"
15"They looked like ancient oak"
16"Wildflowers—lupines, pale primroses, and thick"
17"Rory took a slow step"
18"The silence hit her first."
19"It wasn't the quiet of"
ratio0.826
45.87% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences109
matches
0"Before her lay the Grove."
ratio0.009
71.43% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences70
technicalSentenceCount7
matches
0"She pulled her scarf down, her bright blue eyes adjusting to a strange, luminous twilight that seemed to rise from the ground itself."
1"A portion of the darkness detached itself from the petrified wood, rising to a height that was tall, far too tall for a man."
2"It had no distinct outline, just a silhouette that seemed to absorb the faint, bioluminescent glow of the wildflowers around it."
3"Rory could see no face, no eyes, but she could feel its gaze—a heavy, suffocating weight that pressed down on her lungs."
4"It raised what looked like an arm—a long, jointed appendage that ended in fingers that were too thin, too many."
5"It reached toward her, not with speed, but with the agonizing, inevitable crawl of a predator that knew its prey had nowhere left to run."
6"The warmth departed, leaving behind a stale, metallic tang that coated the back of her throat."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount1
matches
0"she asked, her voice tighter this time"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount1
fancyTags
0"she whispered (whisper)"
dialogueSentences3
tagDensity0.667
leniency1
rawRatio0.5
effectiveRatio0.5
70.5311%