Run: 2026-09-02-01M1HGP8CAF66DC8DZST1TQH75

Run Details

Duration:
18.0s
Cost:
$0.012756
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 threshold was marked by two petrified trunks that the locals mistook for weathered oak timber, sunken into the damp loam of Richmond Park until they resembled megaliths. Rory Carter had passed between them half a dozen times before, but tonight the crossing felt different. Stepping through usually tasted like biting into cold river water, a clean snap of displaced air as the London fog yielded to the strange, perennial twilight of the Grove. Tonight, the transition felt like breaking through a skin of congealed grease. The air on the other side was hot and dead, trapped beneath a vaulted ceiling of interwoven branches that blotted out the city’s low amber glare. It smelled wrong. The Grove always carried the sweet, heady scent of its unseasonal flora—foxgloves, belladonna, and pale campion blooming in impossible, continuous defiance of October—but woven beneath the perfume was the sharp, metallic tang of an electric spark, thick enough to coat the back of her tongue. Rory adjusted the strap of her satchel and stood motionless on the mossy path, letting her eyes adjust. She was five feet six inches of wire and stubbornness, practical down to the scuffed rubber soles of her boots, and she did not believe in giving into nerves. She had agreed to come here after closing up her shift at the Golden Empress, chasing down an old cedar box left for dead in the roots of the central ash, a favor she should have refused before the last bus stopped running. Nothing moved. That was the first grievance her mind registered. In the park outside, the wind had been tearing the last yellow leaves from the chestnut trees, but here, not a single petal stirred. The pale blossoms hung from their stalks like molded wax. Even the humidity felt dense and structural, as if walking forward would mean cutting a groove through it. She pushed a strand of straight, shoulder-length black hair behind her ear and checked her bare left wrist. The small, crescent-shaped scar there—pale and jagged from the broken greenhouse glass of her childhood in Cardiff—caught a sudden prickle of heat. Rory frowned, pulling her sleeve back down. Then she felt it against her breastbone. Resting beneath the cotton of her Henley, the Heartstone Pendant stirred. It was roughly the size of a thumbnail, a deep crimson gem suspended from a delicate silver chain, given to her months ago without a name or a return address. Usually, it was as cold as ditch water. Now, it gave a faint, rhythmic throb against her skin. It was not the gentle pulse of an engine; it felt like a tiny, fevered heart struggling inside an eggshell, and with each beat, a faint blush of reddish light leaked through the weave of her shirt. Rory pressed a palm against it, feeling the unnatural heat seep into her fingers. *Warmth.* It only warmed when an edge was fraying. When something from the Hel-realms had torn its way into the margins. "Stupid," she muttered under her breath, the dry Cardiff lilt of her voice sounding paper-thin in the heavy air. "Should have stayed in the flat." She didn't turn back, because turning back in the Grove was never as simple as retracing one's steps. Time and distance here were elastic, untrustworthy things; five minutes of hesitation could mean walking out into an empty Richmond Park at dawn three days later, her phone dead and Silas wondering why the floorboards above his bar hadn't creaked all weekend. She needed to reach the ash, find what she came for, and get out before whatever had raised the pendant’s hackles noticed her presence. Rory took five paces along the winding dirt track. Her boots made no sound on the moss. None at all. She lifted her foot and brought her heel down firmly against an exposed flint stone. Silence. The impact vibrated up the bone of her leg, but the air swallowed the noise whole, refusing to carry it. The Grove had gone deaf. A yard to her left, a patch of white campion dipped. Rory stopped instantly, her bright blue eyes tracking the disturbance. There was no breeze. The heavy, stagnant heat pressed down without a draft, yet the slender stem bent almost double, as if bearing the weight of a heavy foot, before springing back into place. Then the stem next to it bent. Then another. Something was moving through the undergrowth, parallel to the path, heading in the same direction she was. It made no rustle of dry leaves. It parted the stems with a terrible, patient deliberation, circling wide, its displacement of the vegetation sketching a mass far too large to belong to any deer that had ever wandered away from the Isabella Plantation. Rory’s heart hammered against her ribs, keeping tempo with the burning gem at her throat. She kept her chin up, deliberately slowing her breathing. Panic was a luxury that made people careless, and careless people didn't leave fae pockets alive. She remembered the rules: *Never run from what doesn't announce itself. Never look directly into the deep shadow between the roots.* She resumed walking, keeping her eyes fixed strictly ahead. Three paces. Four. A sound broke through the muffled deadness of the clearing. It wasn't a snap of a twig or the cry of a night bird. It was the sound of fabric tearing—very slow, very deliberate, like wet linen being pulled apart at the seams. It originated from somewhere directly above her head. Rory resisted the urge to look up. She kept her gaze pinned to the silhouette of the great ash tree, now visible fifty yards ahead in the center of the ring of ancient oak stones. The ancient stones looked wrong in the dimness; their contours seemed to smear, their edges blurring as if seen through rising heat waves. The tearing sound stopped. In its place came a wet, rhythmic clicking, like dry bone tapping against porcelain. It sounded ten feet behind her. Rory counted three clicks, then spun around on her heel, her right hand instinctively closing over the heavy brass flashlight she had pulled from her satchel. She snapped the beam on. The circle of harsh white light slashed across the moss, cutting through the eternal flowers. There was nothing there. The path was completely empty. The twin oak megaliths she had entered through were gone; in their place stood a solid wall of bramble and elderberry, the thorns as long as sewing needles, their slick black bark sweating moisture. The exit had folded in on itself. Her flashlight beam trembled slightly, and Rory clamped her thumb hard against the metal casing to steady it. "I have no quarrel here," she said, her voice sounding unnaturally flat, devoid of echo. "I'm passing through." The clicking resumed, not from the path, but from the low branch of a willow to her right. She swung the light upward. The beam caught the limb of the tree, bare of leaves, draped in trailing grey moss. Hanging from the wood was a strip of wet cloth, swaying gently in the dead air. Below it, the branch was bare, but the bark was deeply gouged, three clean parallel furrows leaking sap that was the dark, viscous color of dried arterial blood. The gouges were fresh; beads of black resin were still swelling within the troughs. The pendant against her chest flared hotter, a sudden spike of agony that made her gasp. Through her shirt, the crimson radiance cast sharp, elongated shadows of her own ribs against the fabric. A breath hit the back of her neck. It was not cold. It was scorching, smelling of copper and burnt hair, smelling of ancient stone baked in an underground furnace. It was heavy enough to stir the ends of her dark hair against her collar. Rory didn't freeze. Her mind, honed by years of quick escapes and razor-thin margins, skipped the paralysis of terror and lunged straight into survival. She dropped to her knees, throwing her weight forward in a low roll across the damp moss, kicking out blindly behind her as she moved. Her boot struck something solid—not wood, not stone, but something dense and leathery that gave an inch before resisting like iron. She came up in a crouch, swinging the heavy brass light like a club. The beam cut across the clearing, and for half a second, the light caught the edge of it: an impossible, spindly geometry of limbs, crouched low to the earth where she had been standing an instant before. It had no face, only a smooth expanse of grey hide drawn tight over a skull that seemed to fold inward toward a wet, pulsing fissure. The thing was not native to the Grove. Its skin dragged against the Fae air, shimmering with a sickening, iridescent static that made Rory’s eyes water and ache. It didn't roar. It didn't hiss. It simply tilted the mass of its blind head toward her, the fissure opening slightly to reveal rows of translucent, needle-thin teeth, vibrating with that same horrific, dry bone clicking. The pendant at her throat was searing now, burning like a brand, screaming its warning into the meat of her chest. Rory backed slowly toward the central ash, her blue eyes wide, her breath caught behind her teeth, as the creature unfolded its limbs and began to crawl toward her, its silent, unnatural weight flattening the timeless flowers into dark, unhealing bruises on the earth.
created_at"2026-09-02T16:54:29.009Z" 9/2/2026, 4:54:29 PM
model"google/gemini-3.8-flash-20260902"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2281
moderation_latency(null)
generation_time17944
tokens_prompt792
tokens_completion2919
native_tokens_prompt773
native_tokens_completion3247
native_tokens_completion_images0
native_tokens_reasoning1259
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"
usage0.012756
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788368069-kKM4c1ZPVrXDFnZrKUbd"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788368069-eNOLmsIhu4RmvVmRmXFe"
upstream_id"xVSYasqTBcOjjMcPk53Y8Q4"
provider_responses
0
endpoint_id"d376f781-516d-42f9-936d-46f19abca6cc"
id"xVSYasqTBcOjjMcPk53Y8Q4"
is_byokfalse
latency2281
model_permaslug"google/gemini-3.8-flash-20260902"
provider_name"Google AI Studio"
status200
total_cost0.012756
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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences4
tagDensity0.5
leniency1
rawRatio0
effectiveRatio0
74.78% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1586
totalAiIsmAdverbs8
found
0
adverb"deliberately"
count1
1
adverb"very"
count2
2
adverb"completely"
count1
3
adverb"slightly"
count2
4
adverb"gently"
count1
5
adverb"slowly"
count1
highlights
0"deliberately"
1"very"
2"completely"
3"slightly"
4"gently"
5"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)
46.41% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1586
totalAiIsms17
found
0
word"electric"
count1
1
word"rhythmic"
count2
2
word"throb"
count1
3
word"pulse"
count1
4
word"warmth"
count1
5
word"lilt"
count1
6
word"firmly"
count1
7
word"silence"
count1
8
word"vibrated"
count1
9
word"weight"
count3
10
word"porcelain"
count1
11
word"trembled"
count1
12
word"echo"
count1
13
word"searing"
count1
highlights
0"electric"
1"rhythmic"
2"throb"
3"pulse"
4"warmth"
5"lilt"
6"firmly"
7"silence"
8"vibrated"
9"weight"
10"porcelain"
11"trembled"
12"echo"
13"searing"
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
narrationSentences100
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount3
narrationSentences100
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)
analyzedSentences102
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen47
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords18
totalWords1580
ratio0.011
matches
0"Warmth."
1"Never run from what doesn't announce itself. Never look directly into the deep shadow between the roots."
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
totalMentions37
wordCount1565
uniqueNames18
maxNameDensity0.83
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Richmond2
Park2
Carter1
London1
Grove5
October1
Golden1
Empress1
Cardiff2
Henley1
Heartstone1
Pendant1
Hel-realms1
Silas1
Isabella1
Plantation1
Rory13
Fae1
persons
0"Carter"
1"Empress"
2"Pendant"
3"Silas"
4"Rory"
places
0"Richmond"
1"Park"
2"London"
3"Golden"
4"Cardiff"
5"Isabella"
6"Plantation"
globalScore1
windowScore1
0.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences82
glossingSentenceCount6
matches
0"tasted like biting into cold river water"
1"felt like breaking through a skin of co"
2"as if walking forward would mean cutting a groove through it"
3"felt like a tiny, fevered heart struggl"
4"as if bearing the weight of a heavy foot, before springing back into place"
5"skull that seemed to fold inward toward a wet, pulsing fissure"
10.13% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.899
wordCount1580
matches
0"not from the path, but from the low branch of a willow to her right"
1"not wood, not stone, but something dense"
2"not stone, but something dense"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences102
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs43
mean36.74
std26.63
cv0.725
sampleLengths
074
112
274
390
462
547
67
796
835
925
1084
1135
1226
1311
1444
159
1660
1761
189
193
2051
2158
224
2320
2431
2515
264
2746
2818
2918
3018
315
3274
3333
348
3537
3649
3721
3814
3991
4036
4121
4244
94.74% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences100
matches
0"was marked"
1"being pulled"
2"were gone"
85.55% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs233
matches
0"was fraying"
1"were still swelling"
2"was scorching"
3"was searing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount6
semicolonCount5
flaggedSentences9
totalSentences102
ratio0.088
matches
0"The Grove always carried the sweet, heady scent of its unseasonal flora—foxgloves, belladonna, and pale campion blooming in impossible, continuous defiance of October—but woven beneath the perfume was the sharp, metallic tang of an electric spark, thick enough to coat the back of her tongue."
1"The small, crescent-shaped scar there—pale and jagged from the broken greenhouse glass of her childhood in Cardiff—caught a sudden prickle of heat."
2"It was not the gentle pulse of an engine; it felt like a tiny, fevered heart struggling inside an eggshell, and with each beat, a faint blush of reddish light leaked through the weave of her shirt."
3"Time and distance here were elastic, untrustworthy things; five minutes of hesitation could mean walking out into an empty Richmond Park at dawn three days later, her phone dead and Silas wondering why the floorboards above his bar hadn't creaked all weekend."
4"It was the sound of fabric tearing—very slow, very deliberate, like wet linen being pulled apart at the seams."
5"The ancient stones looked wrong in the dimness; their contours seemed to smear, their edges blurring as if seen through rising heat waves."
6"The twin oak megaliths she had entered through were gone; in their place stood a solid wall of bramble and elderberry, the thorns as long as sewing needles, their slick black bark sweating moisture."
7"The gouges were fresh; beads of black resin were still swelling within the troughs."
8"Her boot struck something solid—not wood, not stone, but something dense and leathery that gave an inch before resisting like iron."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1577
adjectiveStacks2
stackExamples
0"translucent, needle-thin teeth,"
1"same horrific, dry bone"
adverbCount53
adverbRatio0.033608116677235254
lyAdverbCount22
lyAdverbRatio0.013950538998097653
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences102
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences102
mean15.49
std10.58
cv0.683
sampleLengths
028
117
229
312
426
53
645
718
829
943
102
118
1224
1310
1418
1518
1622
177
187
1911
2030
218
2210
2337
2414
259
2612
2719
286
2918
3042
3124
329
338
343
3515
361
3720
385
3911
4010
414
4230
437
442
4517
467
4736
4815
499
40.85% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.3333333333333333
totalSentences102
uniqueOpeners34
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences95
matches
0"Even the humidity felt dense"
1"Then she felt it against"
2"Usually, it was as cold"
3"Then the stem next to"
ratio0.042
64.21% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount37
totalSentences95
matches
0"It smelled wrong."
1"She was five feet six"
2"She had agreed to come"
3"She pushed a strand of"
4"It was roughly the size"
5"It was not the gentle"
6"she muttered under her breath,"
7"She didn't turn back, because"
8"She needed to reach the"
9"Her boots made no sound"
10"She lifted her foot and"
11"It made no rustle of"
12"It parted the stems with"
13"She kept her chin up,"
14"She remembered the rules: *Never"
15"She resumed walking, keeping her"
16"It wasn't a snap of"
17"It was the sound of"
18"It originated from somewhere directly"
19"She kept her gaze pinned"
ratio0.389
44.21% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount79
totalSentences95
matches
0"The threshold was marked by"
1"Rory Carter had passed between"
2"Tonight, the transition felt like"
3"The air on the other"
4"It smelled wrong."
5"The Grove always carried the"
6"Rory adjusted the strap of"
7"She was five feet six"
8"She had agreed to come"
9"That was the first grievance"
10"The pale blossoms hung from"
11"She pushed a strand of"
12"The small, crescent-shaped scar there—pale"
13"Rory frowned, pulling her sleeve"
14"It was roughly the size"
15"It was not the gentle"
16"Rory pressed a palm against"
17"*Warmth.* It only warmed when"
18"she muttered under her breath,"
19"She didn't turn back, because"
ratio0.832
52.63% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences95
matches
0"Now, it gave a faint,"
ratio0.011
18.14% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences63
technicalSentenceCount11
matches
0"The air on the other side was hot and dead, trapped beneath a vaulted ceiling of interwoven branches that blotted out the city’s low amber glare."
1"Even the humidity felt dense and structural, as if walking forward would mean cutting a groove through it."
2"The heavy, stagnant heat pressed down without a draft, yet the slender stem bent almost double, as if bearing the weight of a heavy foot, before springing back …"
3"It parted the stems with a terrible, patient deliberation, circling wide, its displacement of the vegetation sketching a mass far too large to belong to any dee…"
4"The ancient stones looked wrong in the dimness; their contours seemed to smear, their edges blurring as if seen through rising heat waves."
5"Below it, the branch was bare, but the bark was deeply gouged, three clean parallel furrows leaking sap that was the dark, viscous color of dried arterial blood…"
6"The pendant against her chest flared hotter, a sudden spike of agony that made her gasp."
7"She dropped to her knees, throwing her weight forward in a low roll across the damp moss, kicking out blindly behind her as she moved."
8"Her boot struck something solid—not wood, not stone, but something dense and leathery that gave an inch before resisting like iron."
9"It had no face, only a smooth expanse of grey hide drawn tight over a skull that seemed to fold inward toward a wet, pulsing fissure."
10"Its skin dragged against the Fae air, shimmering with a sickening, iridescent static that made Rory’s eyes water and ache."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount1
matches
0"she said, her voice sounding unnaturally flat, devoid of echo"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount1
fancyTags
0"she muttered (mutter)"
dialogueSentences4
tagDensity0.5
leniency1
rawRatio0.5
effectiveRatio0.5
70.6547%