Run: 2026-07-25-01KYD5VDRFG9KPKWPQ8WBN80QW

Run Details

Duration:
23.6s
Cost:
$0.012641
Provider:
Meta

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
She hadn't meant to come to Richmond after dark. The park gates had been locked since sunset, but Rory knew the gap in the fence on the Roehampton side where the chainlink had pulled away from the post. She slipped through sideways, her delivery backpack catching for a second before she yanked it free. Inside: empty. She'd finished her runs for Golden Empress three hours ago, scrubbed the fryer, handed Yu-Fei the cash, climbed the narrow stairs above Silas' bar to her flat and found the note taped under her kettle. Richmond. The Grove. You have to come. - E. Eva's handwriting, hurried and slanting up. Eva who never went south of the river if she could help it, who thought Richmond Park was haunted. Rory had texted. No answer. Called. Straight to voicemail. She'd told herself she was just going to check, just to prove to herself that Eva was being dramatic again, and that was why she was walking through waist-high bracken at midnight with her phone flashlight off and her straight black hair sticking to the back of her neck with sweat despite the cold. The air changed before she saw the oaks. November air should have a bite. This didn't. The wind dropped as if it had hit a wall. The smell of leaf rot and wet earth cut out mid-step and was replaced by something green and too-ripe, pollen-sweet. Wildflowers. Rory stopped. They shouldn't be here. Not now. Small white stars and butter-yellow heads pushed up through dead oak leaves, blooming in a perfect circle under starlight. Year-round, they were supposed to bloom year-round here. She'd been told that once, and had filed it away as something pretty that someone had said. She stepped into the circle and her trainers crushed petals that bled perfume. In the center of the grove the ancient oaks stood like teeth. Not trees anymore, she realized, or not only trees; their trunks were so broad and black with age they looked placed, erected. Standing stones shaped like trees. The boundary. She remembered the words and felt stupid for remembering them. The Heartstone pulsed against her collarbone. She'd forgotten she was even wearing it. The pendant was thumbnail-small, deep crimson, the silver chain gone dark where it rested against her skin. Someone had left it in her mailbox last spring with no note. She'd kept it because it was pretty and because something about throwing it away felt unwise. Now it was warm. Not the faint residual warmth of being against her body, but a slow, deliberate throb, like a heart beating under stone. Her own heart kicked to match it. Rory's hand went to it automatically. The metal burned cold first, then hot. She let go. The faint inner glow was visible even without touching it, bleeding through the thin cotton of her t-shirt. That's why she had come, that was the reason. Not the note, not really. The pendant had woken her up at two in the morning three nights in a row, pulsing on her nightstand. Tonight it had been almost too hot to touch. Near a Hel portal, it pulsed. Near a Hel portal it warmed. She should leave. That was the cool-headed, intelligent thought, the thought her friends credited her with before they knew her well enough to know she often ignored it. She turned to look back at the way she had come and the gap in the trees was gone. No. Not gone. The wildflowers were still there, the bracken was still there, but the darkness between the two boundary oaks had thickened until she couldn't see the rest of the park through it. The air on the other side looked wrong, like looking through water. "Funny," she said out loud, and hated how thin her voice sounded. "Okay, funny, Eva. If you're here." No answer. The grove was too quiet. Richmond Park at night should have foxes, distant traffic from the A3, planes coming into Heathrow. This place had none of it. She could hear her own breath and the blood moving in her ears. Then, not that. A rustle, too far to the left. She jerked her head. Nothing. Just the oak stones and the flowers that shouldn't be there and the too-dark air. Rory crouched and pressed her palm to the ground. The earth was warm. That was wrong. November ground should leach heat. This felt like skin after a bath. She stood too fast and her left sleeve rode up. In the faint red light from the pendant she could see the small crescent-shaped scar on her wrist, pale as moon. Evan had told her she was clumsy. She had believed him for a long time. Another rustle. Closer. She told herself: deer. There were deer in the park. Big fallow deer that would stare at you and not move. It didn't sound like a deer. It sounded like something learning how feet work. The pendant's pulse picked up. Warm to hot to almost painful. Rory pulled at the chain but the clasp held. At the very edge of her vision, something moved. Not in the trees. Between them. In the negative space the standing stones made. A flicker, as if a person had stepped just out of sight the instant she looked. "Who's there?" She kept her voice low now. Less likely to crack. No answer, but the wildflowers on the far side of the clearing shivered. A trail of them folding down, as if something footless had dragged through them. The line of flattened petals stopped six feet away from her. Rory did what she had learned to do when she was twenty-one and living with someone who liked to come home quiet. She went still and counted. One, two, three, four. She made her breathing shallow. She watched. The air in front of her bent. There was no better word for it. Like heat haze over summer asphalt, but the night was cold and the haze had a shape. Tall. Taller than her five-six, thin in a way that suggested joints in wrong places. It had no face, because it wasn't fully here. It was standing on the other side of something, pressing. A Hel portal. The thought came very clearly and without panic. That's what the pendant meant. It wasn't warning her. It was pointing. The haze pressed closer and the standing stones groaned. Actually groaned, a slow deep creak of old bark and older rock settling. The oaks had been there to mark the boundary, she understood now, not to keep people out, but to keep that thin thing in. Or to show where it was thinnest. The pulse of the Heartstone was no longer faint. It was burning a small circle into her chest. Her bright blue eyes watered from the light spilling over her chin. The thing on the other side shifted and for a fraction of a second Rory saw it: not its face but the impression where a face would be, too long, with too many lines. It was looking down at the pendant, and then past it, at her. It knew she could see it. The wildflowers around her feet, all of them, flattened outward in a perfect ring, as if something enormous had exhaled. Rory's first instinct was to run. Her second, the better one, the out-of-the-box one that had once gotten her away from Evan with nothing but a packed bin bag and a bus timetable, was to stop. She stopped looking at the shape. She looked down at the pendant. At her own hands. At the scar. She took the silver chain in both fists and pulled until the thin metal bit into her knuckles. It didn't break. Of course it didn't. The shape stepped closer. The temperature dropped twenty degrees in a second. Her breath came out in a white plume that did not dissipate but hung in front of her, caught. She could hear something now that wasn't rustling. It was breathing. Not like a human. A slow, wet inhale that seemed to come from all around her, from the earth, from the oaks. The pendant flared. Rory yanked one more time, hard, and the clasp finally gave with a tiny ping. She didn't drop it. She held the hot crimson stone in her bare palm. The pain grounded her. She knelt and pressed the stone directly into the warm, living earth in the center of the ring of white flowers. The earth doesn't want it, she thought absurdly, and then: Maybe it does. The moment the stone touched soil, the grove reacted. All those out-of-season flowers snapped shut at once. A single, collective sound like a mouth closing. Then pure silence, so complete it made her ears ring. Across from her, the bending air snapped back. Not slowly. All at once, as if whatever had been leaning through had been slapped. There was no scream, but there was an absence of a scream, the shape of one in the vacuum it left behind. Cold rushed in to fill it and then was gone. Normal November cold. Fox-rot and diesel and wet leaves. Rory was on her hands and knees in dead bracken. The boundary oaks were just trees again, massive and indifferent. The gap between them showed the dark slope of the park and, far off, the orange blush of the city. Time had passed. Her phone, when she fumbled it out, said 3:17 a.m. It had been 11:42 when she slipped through the fence. An hour inside could be minutes or days outside. Her palm was empty and blistered. The pendant was gone. Not thrown, not lost. Sunk. The ground where she'd pushed it was smooth and undisturbed, no hole, no glow. She stood, knees shaking. She pressed her left hand over her right where the thin crescent scar showed white, and felt her own fast pulse. Beyond the trees, somewhere back toward the fence, a fox barked, then another. Rory did not look back as she walked out of the grove.
created_at"2026-07-25T17:41:00.863Z" 7/25/2026, 5:41:00 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5600
moderation_latency(null)
generation_time23105
tokens_prompt792
tokens_completion2352
native_tokens_prompt889
native_tokens_completion2713
native_tokens_completion_images0
native_tokens_reasoning586
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"completed"
service_tier"auto"
usage0.0126415
router(null)
provider_responses
0
endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64f52e9fec41a0e9aa42f5"
is_byokfalse
latency1055
model_permaslug"meta/muse-spark-1.1-20260709"
provider_name"Meta"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1785001260-dJE6wkkZggTGJ5td3vqk"
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api_type"completions"
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upstream_id"resp_6a64f52e9fec41a0e9aa42f5"
total_cost0.0126415
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags3
adverbTagCount0
adverbTags(empty)
dialogueSentences3
tagDensity1
leniency1
rawRatio0
effectiveRatio0
88.09% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1679
totalAiIsmAdverbs4
found
0
adverb"really"
count1
1
adverb"very"
count2
2
adverb"slowly"
count1
highlights
0"really"
1"very"
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)
67.24% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1679
totalAiIsms11
found
0
word"perfect"
count2
1
word"pulsed"
count2
2
word"warmth"
count1
3
word"throb"
count1
4
word"pulse"
count3
5
word"flicker"
count1
6
word"silence"
count1
highlights
0"perfect"
1"pulsed"
2"warmth"
3"throb"
4"pulse"
5"flicker"
6"silence"
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
narrationSentences177
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences177
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences178
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen55
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1680
ratio0
matches(empty)
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
totalMentions38
wordCount1658
uniqueNames15
maxNameDensity0.72
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Richmond"
discoveredNames
Richmond4
Rory12
Roehampton1
Golden1
Empress1
Yu-Fei1
Grove1
Park2
Eva3
Heartstone2
Hel3
Heathrow1
Less1
Evan2
November3
persons
0"Rory"
1"Grove"
2"Eva"
3"Evan"
places
0"Richmond"
1"Park"
2"Hel"
3"Heathrow"
globalScore1
windowScore1
84.21% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences114
glossingSentenceCount3
matches
0"felt like skin after a bath"
1"sounded like something learning how feet w"
2"inhale that seemed to come from all around her, from the earth, from the oaks"
21.43% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.786
wordCount1680
matches
0"Not the faint residual warmth of being against her body, but a slow, deliberate throb, like a heart beating under stone"
1"not to keep people out, but to keep"
2"not its face but the impression"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences178
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs56
mean30
std20.04
cv0.668
sampleLengths
09
182
29
325
463
58
641
750
813
957
1084
1134
1243
1312
1447
1546
1618
1742
1830
1928
2046
213
2221
2314
2420
259
2630
2712
2838
2938
307
3158
3223
3346
347
3530
3647
376
3820
3936
4037
417
4264
433
4433
4521
4613
479
4826
4945
87.42% Passive voice overuse
Target: ≤2% passive sentences
passiveCount9
totalSentences177
matches
0"been locked"
1"was haunted"
2"was replaced"
3"were supposed"
4"been told"
5"was gone"
6"been slapped"
7"was gone"
8"was gone"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount10
totalVerbs290
matches
0"was being"
1"was walking"
2"was even wearing"
3"was standing"
4"wasn't warning"
5"was pointing"
6"was burning"
7"was looking"
8"wasn't rustling"
9"was breathing"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount1
flaggedSentences1
totalSentences178
ratio0.006
matches
0"Not trees anymore, she realized, or not only trees; their trunks were so broad and black with age they looked placed, erected."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount83
adjectiveStacks0
stackExamples(empty)
adverbCount1
adverbRatio0.012048192771084338
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences178
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences178
mean9.44
std7.7
cv0.816
sampleLengths
09
129
216
32
435
51
62
74
82
96
1019
113
122
131
143
1554
168
176
182
1910
2020
211
222
234
242
2519
268
2717
2813
2912
3022
315
322
3310
346
357
3617
3712
3816
394
4021
417
426
437
443
4518
469
475
4820
499
45.69% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.33146067415730335
totalSentences178
uniqueOpeners59
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences155
matches
0"Then, not that."
1"Just the oak stones and"
2"Actually groaned, a slow deep"
3"Of course it didn't."
4"Then pure silence, so complete"
ratio0.032
90.97% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount50
totalSentences155
matches
0"She hadn't meant to come"
1"She slipped through sideways, her"
2"She'd finished her runs for"
3"You have to come."
4"She'd told herself she was"
5"They shouldn't be here."
6"She'd been told that once,"
7"She stepped into the circle"
8"She remembered the words and"
9"She'd forgotten she was even"
10"She'd kept it because it"
11"Her own heart kicked to"
12"She let go."
13"She should leave."
14"She turned to look back"
15"she said out loud, and"
16"She could hear her own"
17"She jerked her head."
18"She stood too fast and"
19"She had believed him for"
ratio0.323
82.58% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount117
totalSentences155
matches
0"She hadn't meant to come"
1"The park gates had been"
2"She slipped through sideways, her"
3"She'd finished her runs for"
4"You have to come."
5"Eva's handwriting, hurried and slanting"
6"Eva who never went south"
7"Rory had texted."
8"She'd told herself she was"
9"The air changed before she"
10"November air should have a"
11"The wind dropped as if"
12"The smell of leaf rot"
13"They shouldn't be here."
14"Year-round, they were supposed to"
15"She'd been told that once,"
16"She stepped into the circle"
17"She remembered the words and"
18"The Heartstone pulsed against her"
19"She'd forgotten she was even"
ratio0.755
32.26% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences155
matches
0"Now it was warm."
ratio0.006
98.21% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount4
matches
0"She stepped into the circle and her trainers crushed petals that bled perfume."
1"Just the oak stones and the flowers that shouldn't be there and the too-dark air."
2"Rory did what she had learned to do when she was twenty-one and living with someone who liked to come home quiet."
3"The wildflowers around her feet, all of them, flattened outward in a perfect ring, as if something enormous had exhaled."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags3
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences3
tagDensity0.333
leniency0.667
rawRatio0
effectiveRatio0
86.6035%