Run: 2026-09-03-01M1K4RY604YQ7HMTTDHTFCTRZ

Run Details

Duration:
2m 9s
Cost:
$0.016874
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 gate at Richmond Park was already locked when Rory got there, which should have been her first excuse to turn around. She stood with her bike between her knees on the wet pavement outside, breathing hard, watching her breath fog and thin out under the orange streetlamp. Midnight. Early September and cold enough to make her fingers ache inside her delivery gloves. Behind the bars, the park was a flat black cutout, trees massed against a sky that held no stars. Somewhere beyond that darkness was the clearing she had been told to find. She told herself she was only here because she was curious, because walking away from an unsigned note had never been something she was good at. The note had been slipped under the door of her flat above Silas's bar that evening. No envelope. Just a torn half-sheet: Bring it. Come alone. You will know the place when it warms. No signature. She had known immediately what it meant by it. The pendant rested now against her sternum, under two layers and her delivery jacket. It was roughly the size of her thumbnail, a deep crimson stone on a plain silver chain, and she had worn it every day since it had arrived in a padded jiffy bag with no return address three weeks earlier. An unknown benefactor, she had joked to herself at first, because the alternative was that someone was watching her closely enough to know her size, her flat, her shifts for Yu-Fei Cheung at the Golden Empress. Tonight, for the first time, it was not just cool glass against her skin. It pulsed faintly with warmth, a slow throb, then another, like something with a heartbeat trying to match hers. Rory was cool-headed by habit. Her mother used to say Jennifer Carter's daughter had been born arguing, all Pre-Law logic picked up from listening to her barrister father Brendan hold court at the kitchen table in Cardiff. She did not believe in cursed jewelry or midnight summons. She believed in abusive exes named Evan and rent due and friends like Eva who told you to get on a train to London and don't look back. But she had left Cardiff University and all that sensible law behind, and out-of-the-box thinking had kept her alive in London so far, so she had ridden across the river with the stone heating up degree by degree under her shirt. Now, looking at the locked gate, she felt the wrongness settle low in her stomach. It was too quiet. That was the thing she noticed first. Richmond at midnight should not be silent. There should have been traffic on the A-road, a night bus sighing past, a plane dragging low toward Heathrow. Instead the air had a muffled, packed quality, as if someone had pressed cotton over her ears. Even the hum of the streetlamp above her seemed dampened. When she shifted her weight, her trainers squeaked too loud on the pavement. She left the bike chained to the railings and found the gap in the fence fifty yards down where the mesh had been peeled back from a post. Someone had been through recently. The grass on the other side was bent flat. Inside, the dark closed over her head. Her phone torch threw a thin white cone that caught rain beading on ferns and made them flare and vanish. She kept it pointed low, sweeping side to side. Her straight shoulder-length black hair kept falling forward into her eyes and she kept shoving it back with an impatient hand, her breath coming a little faster than the walk warranted. She was five foot six in boots and used to making herself tall in a room, but the trees here made that impossible. The oaks crowded close, older than any trees had a right to be this near the city, their trunks black and slick. She felt the pendant give another pulse, stronger. Warmth spread out across her collarbones. The path thinned and then stopped at a ring of them. Ancient oaks standing like sentries, their roots knuckled deep into the earth, their crowns lost in the dark. Standing stones made of wood and age. She knew without being told that this was the boundary. The air between two of the largest trunks shimmered faintly, not quite visible, like heat haze in winter. Rory rubbed at the small crescent-shaped scar on her left wrist without thinking, an old childhood accident turned nervous habit, nail finding the familiar ridge. She stepped through. The change was immediate and physical, a pressure drop inside her ears that made her swallow. The smell hit her next. Wildflowers. Thick, sweet, cloying. In the torchlight, the clearing opened impossibly wide, wider than the space between the oaks should have allowed. A hidden pocket, falling between. The ground was carpeted with blooms that had no business flowering year-round, let alone at night in September. White campion and violet harebells and yellow things she could not name, their heads bowed heavy with rain. Her light moved across them and they seemed to lean, very slightly, toward the brightness. Beyond the torch beam, the dark was absolute. Above, no street glow bled in from London. The sky was a deeper black, and wrong. She turned in a slow circle. Her bright blue eyes kept trying to adjust and failing. The torch only made the dark outside its circle darker. Hello, she said, and immediately regretted it. Her voice did not carry. It fell flat two feet from her mouth and died among the flowers, absorbed. She tried again, louder. Is anyone here. Nothing answered. Then, after a beat too long to be natural, something rustled at the far edge of the clearing. Rory went still. Cool-headed, she told herself. Think. A fox. Deer. Richmond Park had deer. A night animal moving through undergrowth would make exactly that sound. She swung the torch toward it. The beam caught only flowers, rain glittering, stems trembling faintly though there was no wind. She held the light there until her arm ached, listening to her own breathing. She became aware that she could hear her breathing too clearly. In and out, fogging. And underneath it, almost in sync but not quite, another rhythm. A fraction late on the exhale. She clicked the torch off. Darkness poured in. For a moment there was only the blood beating in her ears and the warm throb of the stone against her skin, faster now. Then her eyes began to find the faint inner glow leaking through her jacket, deep crimson lighting the zip. She clamped a hand over it instinctively, as if to hide it, and the heat burned against her palm. In the dark, with her night vision crawling back, she saw that the clearing was not dark. The wildflowers gave off the faintest luminescence, a pale wash that outlined each petal. And between the oaks, in the gaps, something stood where nothing had stood before. She told herself it was a trick of contrast, afterimage from the torch. But when she blinked, it did not clear. Tall, too thin, still in a way that trees were not still. She turned her head sharply to look straight at it and there was only black space between two trunks, empty air and rain. She looked away, and at the edge of vision, it was back. Closer. Her mouth had gone dry. She took a step back and her heel crushed flowers. The scent burst up, rotten-sweet now, like fruit left too long. The pulse in the pendant stuttered and quickened. She fumbled her phone out, needing the time, needing something rational. The screen lit her face harsh white. 00:14. Then, as she watched, the numbers flickered. 00:13. 00:47. 23:58. She stared, thumb hovering. An hour inside could be minutes or days outside. She had heard that once about this place, a throwaway line from a drunk regular at Silas's who claimed his grandmother left saucers out in Richmond. She had laughed at the time. She was not laughing now. The phone signal was dead. No bars. The torch icon would not swipe on again. A sound moved through the flowers to her left. Not a rustle this time. Footsteps that were trying not to be footsteps. A soft compression of wet earth, a pause, another, keeping time with her own shifting weight. She froze, and it froze. She forced herself to take one deliberate step sideways. A half-second later, it took one too. Rory's mind raced through options with the fast, out-of-the-box clarity that usually saved her. Run for the oaks. Scream. The boundary was maybe twenty feet behind her, the shimmer between the trunks. But she could not remember which pair she had come through. They all looked the same in the dark, and the shapes between them were multiplying. She could feel them now without seeing them. The certainty settled over her skin like cold dew. She was not alone. She had not been alone from the moment she arrived. The quiet had been attention. The flowers leaning toward her light had been listening. The pendant burned hotter, insistent. You will know the place when it warms, the note had said. This was the place. A Hel portal, close enough to wake the stone. The thought came to her whole, though she did not know where she had learned the word. Hel. The dead place pressing thin against the earth. The grove was a pocket between Earth and the Fae realm, but something else had found the thin spot and was leaning through. Something breathed, close enough now that she felt it disturb the fine hairs at the nape of her neck, though nothing touched her. Her hair lifted. She did not turn. Every instinct her father had never taught her in a courtroom told her not to turn. She stared straight ahead at the dark between the oaks and watched, at the very edge of her bright blue vision, the tall stillnesses tilt their heads in unison toward the crimson glow bleeding between her fingers. She unclasped the chain with shaking hands and held the stone out away from her body, arm extended, offering it to the dark. Take it, she whispered, and the clearing inhaled.
created_at"2026-09-03T08:04:42.822Z" 9/3/2026, 8:04:42 AM
model"meta/muse-spark-1.3-20260902"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3452
moderation_latency(null)
generation_time128899
tokens_prompt792
tokens_completion2518
native_tokens_prompt746
native_tokens_completion3751
native_tokens_completion_images0
native_tokens_reasoning1543
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"
usage0.01687425
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788422682-XKpiXqey7xVjfVFwDGRO"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788422682-Dgqrx589mdxaCvSOAQ21"
upstream_id"resp_6a992a1b60db3a85adff4d70"
provider_responses
0
endpoint_id"cf4f1b4e-1719-4b65-9111-7dd7635e5a2f"
id"resp_6a992a1b60db3a85adff4d70"
is_byokfalse
latency522
model_permaslug"meta/muse-spark-1.3-20260902"
provider_name"Meta"
status200
total_cost0.01687425
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
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
88.37% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1719
totalAiIsmAdverbs4
found
0
adverb"very"
count2
1
adverb"slightly"
count1
2
adverb"sharply"
count1
highlights
0"very"
1"slightly"
2"sharply"
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)
47.64% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1719
totalAiIsms18
found
0
word"pulsed"
count1
1
word"warmth"
count2
2
word"throb"
count2
3
word"stomach"
count1
4
word"weight"
count2
5
word"pulse"
count2
6
word"shimmered"
count1
7
word"familiar"
count1
8
word"quickened"
count1
9
word"flickered"
count1
10
word"footsteps"
count2
11
word"raced"
count1
12
word"could feel"
count1
highlights
0"pulsed"
1"warmth"
2"throb"
3"stomach"
4"weight"
5"pulse"
6"shimmered"
7"familiar"
8"quickened"
9"flickered"
10"footsteps"
11"raced"
12"could feel"
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
emotionTells1
narrationSentences153
matches
0"y with warmth"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount2
narrationSentences153
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)
analyzedSentences153
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen41
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1719
ratio0
matches(empty)
0.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions3
matches
0"Hello, she said, and immediately regretted it."
1"Cool-headed, she told herself."
2"Take it, she whispered, and the clearing inhaled."
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount1719
uniqueNames23
maxNameDensity0.29
worstName"Rory"
maxWindowNameDensity1
worstWindowName"Cardiff"
discoveredNames
Richmond4
Park2
Rory5
September2
Silas2
Bring1
Yu-Fei1
Cheung1
Golden1
Empress1
Jennifer1
Carter1
Pre-Law1
Brendan1
Cardiff2
Evan1
Eva1
London3
University1
Heathrow1
Hel2
Earth1
Fae1
persons
0"Rory"
1"Silas"
2"Yu-Fei"
3"Cheung"
4"Jennifer"
5"Carter"
6"Brendan"
7"Evan"
8"Eva"
places
0"Richmond"
1"Park"
2"September"
3"Golden"
4"Cardiff"
5"London"
6"Heathrow"
7"Earth"
globalScore1
windowScore1
79.91% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences107
glossingSentenceCount3
matches
0"seemed dampened"
1"not quite visible, like heat haze in winter"
2"not quite another rhythm"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1719
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount3
totalSentences153
matches
0"was that someone"
1"told that this"
2"saw that the"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs35
mean49.11
std32.22
cv0.656
sampleLengths
022
199
236
39
4123
5116
615
777
842
9112
1014
1164
1228
1399
1424
1526
1633
1720
1861
1932
205
2165
2245
2369
2434
2574
2620
2759
2858
2945
3079
3126
3257
3323
348
93.80% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences153
matches
0"been told"
1"been slipped"
2"been peeled"
3"being told"
4"was carpeted"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs291
matches
0"was watching"
1"was not laughing"
2"were trying"
3"were multiplying"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences153
ratio0
matches(empty)
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1729
adjectiveStacks1
stackExamples
0"small crescent-shaped scar"
adverbCount67
adverbRatio0.038750722961249276
lyAdverbCount21
lyAdverbRatio0.012145748987854251
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences153
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences153
mean11.24
std8.43
cv0.75
sampleLengths
022
126
21
314
419
513
626
716
82
96
102
118
122
139
1414
1540
1636
1714
1819
195
2032
2110
2228
2341
2415
254
267
277
2819
2917
3010
3113
3228
335
349
357
3620
379
3831
3923
4022
418
426
4311
4418
457
4610
4718
4825
493
55.03% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats13
diversityRatio0.3825503355704698
totalSentences149
uniqueOpeners57
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount7
totalSentences136
matches
0"Somewhere beyond that darkness was"
1"Just a torn half-sheet: Bring"
2"Instead the air had a"
3"Even the hum of the"
4"Then, after a beat too"
5"Then her eyes began to"
6"Then, as she watched, the"
ratio0.051
72.94% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount50
totalSentences136
matches
0"She stood with her bike"
1"She told herself she was"
2"You will know the place"
3"She had known immediately what"
4"It was roughly the size"
5"It pulsed faintly with warmth,"
6"Her mother used to say"
7"She did not believe in"
8"She believed in abusive exes"
9"It was too quiet."
10"She left the bike chained"
11"Her phone torch threw a"
12"She kept it pointed low,"
13"Her straight shoulder-length black hair"
14"She was five foot six"
15"She felt the pendant give"
16"She knew without being told"
17"She stepped through."
18"Her light moved across them"
19"She turned in a slow"
ratio0.368
85.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount102
totalSentences136
matches
0"The gate at Richmond Park"
1"She stood with her bike"
2"She told herself she was"
3"The note had been slipped"
4"You will know the place"
5"She had known immediately what"
6"The pendant rested now against"
7"It was roughly the size"
8"An unknown benefactor, she had"
9"Tonight, for the first time,"
10"It pulsed faintly with warmth,"
11"Rory was cool-headed by habit."
12"Her mother used to say"
13"She did not believe in"
14"She believed in abusive exes"
15"It was too quiet."
16"That was the thing she"
17"Richmond at midnight should not"
18"There should have been traffic"
19"She left the bike chained"
ratio0.75
36.76% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences136
matches
0"Now, looking at the locked"
ratio0.007
93.25% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences72
technicalSentenceCount5
matches
0"Her straight shoulder-length black hair kept falling forward into her eyes and she kept shoving it back with an impatient hand, her breath coming a little faste…"
1"The change was immediate and physical, a pressure drop inside her ears that made her swallow."
2"The ground was carpeted with blooms that had no business flowering year-round, let alone at night in September."
3"She clamped a hand over it instinctively, as if to hide it, and the heat burned against her palm."
4"The wildflowers gave off the faintest luminescence, a pale wash that outlined each petal."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
88.2235%