Run: 2026-10-13-01M4TBBHTHREZ65R4HRPVGB4J0

Run Details

Duration:
1m 14s
Cost:
$0.100380
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
The park gates were already locked when Rory reached Richmond Park. She stood for a moment with one hand on the cold iron, her delivery bag still slung over her shoulder out of habit, though she had left the bike chained back by the road. Beyond the gates the dark stretched wide and unbroken. No traffic reached here. No streetlights softened it. The trees massed black against a sky the color of wet slate, and the wind worried at the hem of her coat. It should have been enough to make her turn back. Rory had told herself that on the train, and again when the path narrowed and the sounds of the city fell away behind her. She had a reason for coming, and reasons, in her experience, became less convincing the more often you repeated them. For three nights running, the Heartstone Pendant had woken her. Not with light, though the deep crimson stone had begun to hold a faint inner glow after midnight. With heat. At eleven forty-seven each night it warmed against her skin where it hung on its silver chain, thumbnail-sized and innocuous, pulsing once, then again, until the rhythm settled under her own heartbeat and made sleep impossible. In her flat above Silas' bar she had held it under cold water. She had shut it in the cutlery drawer. She had left it on the windowsill while she slept on the sofa, and still found herself awake at eleven forty-seven with the sense that something small and patient was counting her pulse. Tonight, when it started, she had opened the maps app on her phone without quite deciding to. She did not remember typing anything. The blue route was already there, drawn clean across London to Richmond Park, ending at no road and no address. Just a blank green space beyond the trees. Now her phone buzzed once in her pocket. Rory pulled it out. 12:03 a.m. No new messages. The map still showed the route completed. She slipped through the gap beside the gate where the fence had buckled, careful not to catch her coat, and followed the path in. The first wrong thing was the quiet. Richmond Park at night should not have been silent. There should have been deer shifting in the bracken, an owl somewhere, the far complaint of a fox. Her own trainers should have sounded loud on the gravel. They did at first. Then, as the trees closed overhead and her shoulder-length black hair grew damp with mist, the sounds thinned. Her footsteps landed softer. The rustle of her coat faded. Even her breathing seemed to arrive from a little distance, as though the dark were holding it before giving it back. She stopped walking. The last step she had taken echoed once more behind her. Rory stood still and listened. The echo did not come again. Water dripped somewhere from a branch. Her heart banged so hard she felt it in her teeth. “fox,” she said under her breath, because naming a thing made it smaller. “Deer. Drainage.” She started walking again, faster. The path gave out where she expected it to, by a slope of rough grass and a stand of ancient oaks so broad and knotted they seemed less grown than built. Standing stones leaned among their roots, grey slabs shoulder-high, slick with moss. Seven of them. She counted without meaning to, the way she counted exits in unfamiliar rooms. Seven stones, unevenly spaced, marking a boundary she could almost see, a change in the quality of the air between one oak and the next. The pendant warmed. Rory pressed it flat through her jumper. The heat came through wool immediately. Pulse. Pause. Pulse. It matched her own too closely to be comforting. “No,” she told it. “Absolutely not.” She should have taken a photograph and left. That had been the plan, insofar as she had one. Prove the place was ordinary, prove the glow was some trick of the stone, go home, sleep. She lifted her phone and took three pictures of the stones with the flash off, because some animal instinct warned her not to announce herself with light. When she checked the images, the first showed only trees. The second showed the stones blurred, as if the phone had moved. In the third, the clearing beyond them was empty and pale with flowers. Rory looked up. Wildflowers crowded the grove floor. White, yellow, a bruised violet. They pressed thick between roots and stones, nodding on thin stems, though her breath was fogging and frost had silvered the grass all the way from the gate. Their scent reached her then, too sweet and too warm, honey left in a closed room. When she stepped closer, heat breathed out of the clearing across her face. It was November. The flowers should not have been there. The warmth should not have been there. She rubbed her thumb across the small crescent-shaped scar on her left wrist, an old childhood mark she touched when she was trying to think. Cool-headed, Eva called her. Good in a crisis. Right now she would have traded it for someone less inclined to step over boundaries just to see what happened. The pendant pulsed harder. Rory crossed between two stones. Nothing dramatic occurred. No thunder. No ringing in her ears. She simply took one step from frost into summer, and the night rearranged itself around her with terrible gentleness. The chill left her coat. The flower scent thickened. Behind her, Richmond Park seemed farther away than the width of a stone should have allowed, its trees dimmed, its path already difficult to find. Inside the grove, the wildflowers stood unnaturally still. There was no wind now at all. She took another step, then another, until she stood near the center, where a shallow ring of darker grass suggested something had been burned there long ago, or danced there, or buried. The stones watched from the edge. She counted them to settle herself. Seven. Oak, stone, oak. Seven. Her phone screen lit in her hand. She had not touched it. The time read 11:47 p.m. Rory stared. She turned the phone off and on again with fingers that had gone clumsy. 11:47. The date had not changed. The signal bars were gone, replaced by a small, neat x, and the photograph she had taken a minute ago now sat at the top of her camera roll above images timestamped hours from now. In one thumbnail she saw black hair, her own face turned partly away, photographed from somewhere among the flowers. She deleted it before she could look properly. Her hand shook so badly she nearly dropped the phone. “I’m leaving,” she said aloud. Her voice sounded flat and too young. She turned back toward the stones. The gap she had entered by was still there, inasmuch as there were more gaps than she remembered, each showing a slightly different darkness beyond. In one, the path. In another, trees standing too close. In a third, for an instant only, she thought she saw the iron gate with London light beyond it, but when she blinked it was bracken and a fallen trunk. A flower bent at the edge of her vision. Rory went still. To her left, just where sight blurred if she did not turn her head, another flower dipped. Then another. A slow line of them, stems bowing one after another as something passed through without disturbing the air. The line curved around the dark ring. It did not come straight toward her. That was worse. It had time. It had manners. She forced herself to look. The flowers sprang upright again, empty. Nothing stood there. Yet for a fraction of a second after she turned, the impression of height remained at the corner of her eye, a vertical wrongness among the oaks, taller than the stones and too narrow for a tree. Her pendant beat. Her heart tried to follow it and failed, stumbling into a faster rhythm. “Who’s there?” The grove received the question without echo. From somewhere behind the stones came a sound she had been dreading without knowing it. One soft step on gravel. Rory was standing on grass. There was no gravel inside the circle. She backed toward the center, because the edges no longer felt like exits. The flowers brushed her ankles through her jeans. They were warm. Everything here was warm, as if the pocket of summer had a fever. “I came to bring this back,” she said, and lifted the pendant away from her chest by its silver chain. Her voice steadied on the lie, or perhaps it was not a lie. She still did not know who had sent it, only that it had arrived with no note and had felt, from the first day, borrowed rather than given. “If it belongs here, take it. If you wanted my attention, you have it.” The stone flared crimson between her fingers. For a moment its light reached far enough to tint the nearest wildflowers red. Something beyond the stones shifted its weight. She heard it not as a footstep this time but as pressure, a minute compression of leaves and earth. Her bright blue eyes ached from refusing to blink. She scanned the oaks, the slabs, the spaces between. The grove offered her a hundred places for a figure to stand, and in each place the darkness arranged itself almost into one, then politely dissolved. Her phone began to vibrate in a continuous, silent tremor. On the screen, a recording was playing. She had not opened the app. The waveform moved in little blue peaks. 00:47 elapsed. 00:48. Rory raised it slowly to her ear, though every part of her understood that she should not. At first there was only the hiss of her own breathing from earlier, when she had stood outside the stones and tried to reason with herself. Then her recorded voice, close and clear: “fox. Deer. Drainage.” The recording continued past anything she remembered saying. Beneath her breath, timed exactly between each word, another breath kept pace. She lowered the phone. The time still read 11:47. At the boundary, she counted again because counting was a rope and she needed one. One, two, three, four, five, six, seven. Eight. Rory wet her lips. “No.” The eighth stone stood between two oaks where no stone had been, at the exact place she had been avoiding with her eyes. It was the right height. The right grey. But moss did not soften it evenly, and its top narrowed in a way that made her think, against all reason, of shoulders hunched against cold. It had not been there. She knew it had not been there. She watched it until her vision swam. It did not move. That was the discipline of the place, she understood suddenly. It would never move while she was looking. It only needed the fraction of her attention she could not sustain, the blink, the glance down, the human failure to witness a thing forever. Her left wrist began to itch. When she looked, the crescent scar stood pale against her skin, though she had not scratched it. Another flower bent. To her right this time. Much closer. Then, very distinctly, a step fell in time with the pendant. Pulse, step. Pulse, step. Not approaching from the stones now, but circling the blackened ring, unhurried, interested in the geometry of her fear. The wildflowers marked its passage in a slow, elegant bow. Wherever it passed, their colors dimmed for a second, as if a cloud had crossed a moon Rory could not see. She made a decision the way she made most dangerous decisions: quickly, before terror could draft an argument. She ran for the gap that showed the path. The grove did not stop her. The flowers dragged at her feet, soft as hands pretending to be plants. Warm air pushed at her back. She fixed her eyes on the nearest two stones and drove between them, shoulder clipping moss, chain snapping the pendant hard against her sternum. Cold struck her face. Frost again. Honest November. She stumbled onto the path and nearly fell, catching herself against an oak whose bark was rough and real under her palm. Behind her, nothing crashed through the undergrowth. No pursuit broke from the clearing. Rory stood bent over with her hands on her knees, gasping, waiting for relief. It did not arrive. The quiet had followed her out. She checked the path both ways. Empty. She checked the grove. Seven stones. Seven only, arranged among the oaks, with wildflowers nodding innocently beyond. Her phone buzzed. 1:19 a.m. For one mad second relief did break, bright and stupid. An hour and sixteen minutes. She had lost an hour and sixteen minutes to fright, that was all. She could explain an hour. She could be home by two. Then she looked at the date. It had advanced by three days. The laugh she made was not a laugh. She pressed her knuckles to her mouth. Above the trees, the clouds had cleared, and the moon stood in a position she did not recognize from when she arrived, sharp and white and wrong. The pendant cooled so suddenly it felt wet. Rory turned toward the gate and forced herself to walk, not run. Running had rules in places like this, even if no one had taught them to her. Running invited. Running admitted which one of you was prey. Her steps sounded normal on the gravel. One, two. One, two. She counted them the way she had counted stones. After twenty paces, her foot came down and the sound arrived twice. She did not stop. She did not look back. Her neck prickled with a pressure that was almost touch, the air displaced by something standing at the exact distance where a hand might rise. The doubled step matched her again. Patient. Perfectly placed, as if it had spent the time in the grove learning the length of her stride. Rory kept her eyes on the path where the gate should eventually be, and whispered, “I can hear you.” The steps behind her stopped. So did hers, a half-second too late. In the silence that followed, close enough that the warmth of it reached the back of her neck despite the frost, something finally answered her in a voice with nothing wrong in it at all. It was soft. It was reasonable. It was hers. “Then don’t make me walk alone.”
created_at"2026-10-13T10:01:30.718Z" 10/13/2026, 10:01:30 AM
model"meta/muse-wonder-20261012"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2468
moderation_latency(null)
generation_time74428
tokens_prompt792
tokens_completion3579
native_tokens_prompt760
native_tokens_completion4867
native_tokens_completion_images0
native_tokens_reasoning1766
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"
usage0.10038
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791885690-vKIvXAu3DXrC74wAPKsh"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791885690-VSQTq2uWljaZiH7iz3AU"
upstream_id"resp_6ace017b49225a1304a842cd"
provider_responses
0
endpoint_id"1232618d-ebfe-4338-9b68-d9127a57c8dd"
id"resp_6ace017b49225a1304a842cd"
is_byokfalse
latency854
model_permaslug"meta/muse-wonder-20261012"
provider_name"Meta"
status200
total_cost0.10038
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
33.33% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags5
adverbTagCount1
adverbTags
0"she said aloud [aloud]"
dialogueSentences12
tagDensity0.417
leniency0.833
rawRatio0.2
effectiveRatio0.167
85.60% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2431
totalAiIsmAdverbs7
found
0
adverb"slightly"
count1
1
adverb"slowly"
count1
2
adverb"suddenly"
count2
3
adverb"very"
count1
4
adverb"quickly"
count1
5
adverb"perfectly"
count1
highlights
0"slightly"
1"slowly"
2"suddenly"
3"very"
4"quickly"
5"perfectly"
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)
62.98% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2431
totalAiIsms18
found
0
word"pulse"
count5
1
word"footsteps"
count1
2
word"echoed"
count1
3
word"echo"
count2
4
word"comforting"
count1
5
word"absolutely"
count1
6
word"warmth"
count2
7
word"pulsed"
count1
8
word"chill"
count1
9
word"weight"
count1
10
word"scanned"
count1
11
word"silence"
count1
highlights
0"pulse"
1"footsteps"
2"echoed"
3"echo"
4"comforting"
5"absolutely"
6"warmth"
7"pulsed"
8"chill"
9"weight"
10"scanned"
11"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
narrationSentences240
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount5
narrationSentences240
filterMatches
0"think"
hedgeMatches
0"seemed to"
1"tried to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences246
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
totalWords2431
ratio0
matches(empty)
83.33% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions1
matches
0"Cool-headed, Eva called her."
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions48
wordCount2378
uniqueNames12
maxNameDensity0.67
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Running"
discoveredNames
Rory16
Richmond4
Park4
Heartstone1
Pendant1
London2
November2
Eva1
Seven6
Pulse4
One4
Running3
persons
0"Rory"
1"Pendant"
2"Eva"
3"Seven"
4"Pulse"
5"Running"
places
0"Richmond"
1"Park"
2"London"
3"One"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences152
glossingSentenceCount2
matches
0"seemed farther away than the width of a stone should have allowed, its trees dimmed, its path already difficult to find"
1"felt like exits"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords0.823
wordCount2431
matches
0"not as a footstep this time but as pressure, a minute compression of leaves"
1"Not approaching from the stones now, but circling the blackened ring, unhurried, interested in the ge"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences246
matches
0"understood that she"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs97
mean25.06
std23.99
cv0.957
sampleLengths
011
173
254
310
4110
551
612
712
824
97
1090
113
1211
1328
1415
155
1684
173
1825
196
2062
2135
223
2367
2417
2553
264
275
2863
2915
3044
315
327
3310
3476
3518
365
377
3871
399
403
4160
425
4346
4416
452
467
4720
4812
4937
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences240
matches
0"been burned"
1"were gone"
2"was bracken"
84.77% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount7
totalVerbs405
matches
0"was counting"
1"were holding"
2"was fogging"
3"was trying"
4"was standing"
5"was playing"
6"was looking"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences246
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount233
adjectiveStacks0
stackExamples(empty)
adverbCount9
adverbRatio0.03862660944206009
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences246
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences246
mean9.88
std8.17
cv0.826
sampleLengths
011
134
29
34
44
522
610
724
820
910
1018
112
1236
1313
148
1533
1617
176
1820
198
208
214
222
233
247
2524
267
279
2818
2910
304
3118
324
336
3421
353
3611
375
386
396
4011
4113
422
435
4431
4512
463
4713
4825
493
40.16% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats24
diversityRatio0.29098360655737704
totalSentences244
uniqueOpeners71
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount7
totalSentences214
matches
0"Just a blank green space"
1"Then, as the trees closed"
2"Even her breathing seemed to"
3"Then her recorded voice, close"
4"Then, very distinctly, a step"
5"Then she looked at the"
6"Perfectly placed, as if it"
ratio0.033
70.47% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount80
totalSentences214
matches
0"She stood for a moment"
1"It should have been enough"
2"She had a reason for"
3"She had shut it in"
4"She had left it on"
5"She did not remember typing"
6"She slipped through the gap"
7"Her own trainers should have"
8"They did at first."
9"Her footsteps landed softer."
10"She stopped walking."
11"Her heart banged so hard"
12"she said under her breath,"
13"She started walking again, faster."
14"She counted without meaning to,"
15"It matched her own too"
16"she told it"
17"She should have taken a"
18"She lifted her phone and"
19"They pressed thick between roots"
ratio0.374
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount153
totalSentences214
matches
0"The park gates were already"
1"She stood for a moment"
2"The trees massed black against"
3"It should have been enough"
4"Rory had told herself that"
5"She had a reason for"
6"She had shut it in"
7"She had left it on"
8"Tonight, when it started, she"
9"She did not remember typing"
10"The blue route was already"
11"Rory pulled it out."
12"The map still showed the"
13"She slipped through the gap"
14"The first wrong thing was"
15"Richmond Park at night should"
16"There should have been deer"
17"Her own trainers should have"
18"They did at first."
19"Her footsteps landed softer."
ratio0.715
93.46% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount4
totalSentences214
matches
0"Now her phone buzzed once"
1"To her left, just where"
2"To her right this time."
3"Wherever it passed, their colors"
ratio0.019
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences84
technicalSentenceCount5
matches
0"Even her breathing seemed to arrive from a little distance, as though the dark were holding it before giving it back."
1"But moss did not soften it evenly, and its top narrowed in a way that made her think, against all reason, of shoulders hunched against cold."
2"Rory stood bent over with her hands on her knees, gasping, waiting for relief."
3"Her neck prickled with a pressure that was almost touch, the air displaced by something standing at the exact distance where a hand might rise."
4"In the silence that followed, close enough that the warmth of it reached the back of her neck despite the frost, something finally answered her in a voice with …"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount0
fancyTags(empty)
dialogueSentences12
tagDensity0.333
leniency0.667
rawRatio0
effectiveRatio0
91.8037%