Run: 2026-09-03-01M1K5JHHVY00HHERP9KJ17HRZ

Run Details

Duration:
34.3s
Cost:
$0.016449
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
Rory knew she shouldn't have come to Richmond Park after dark. The gates were locked at sunset, the posted hours clear, but the gap in the fence by the horse trail had been there since she was a teenager visiting London for the first time with Eva, and her body remembered the route even when her mind told her to turn back. She slipped through sideways, the strap of her messenger bag catching briefly on the wire, and her boots sank into the damp leaf litter on the other side. November air was cold enough to see her breath. The town beyond the park was still there, a faint orange wash over the trees from the streetlamps on the A3, but inside the tree line it was already too dark and too quiet. She hadn't come for a walk. The Heartstone had pulled her here. It hung against her sternum on its silver chain, a thumbnail-sized deep crimson stone that usually sat cool and inert. Tonight it had woken up around nine, while she was wiping down the counter in the tiny flat above Silas' bar, a faint inner glow pulsing against her t-shirt. Warmth, then cool, then warmth again, steady as a heartbeat. It pulsed faintly with warmth when near a Hel portal, that was the rule she'd been told when it was left for her by the unknown benefactor, no note, just the pendant in a small wooden box outside her door. She had never felt it do this before. Not like this. The pulse had gotten stronger the closer she got to the park, until now it was a low, insistent throb against her skin, almost hot. Rory pushed her straight shoulder-length black hair behind her ear with a cold hand and kept walking. Her bright blue eyes were better adjusted now. The path was hardly a path at all, a deer track through bracken that she knew would open into the clearing. She was cool-headed by nature, that was what people said about her, intelligent, quick with out-of-the-box thinking, but that reputation didn't help when her own heart was hammering so loud she could hear it over the wind. She told herself there was a logical explanation. Someone had opened a portal in the Grove and the stone was reacting. She needed to see it, confirm it, close it if she could. Leave before anything noticed her. The ancient oak standing stones came into view first. They weren't supposed to look like oak. That had thrown her the first time Eva brought her here. They were stone, of course, weathered and lichen-spotted, but the grain of the rock ran like wood, whorls and knots frozen mid-growth, as if trees had been turned to rock while still alive. They marked the boundary of the Fae Grove, a hidden clearing that existed in a pocket between Earth and the Fae realm, not quite either place. Rory stepped between two of them and felt the change in pressure in her ears, like going up too fast in a lift. Inside, the air was different. It was warmer, for one thing. Too warm for November. And it smelled wrong. The leaf rot and diesel tang of the city were gone. Instead the grove smelled of green things growing, of crushed stems and damp earth. Wildflowers bloomed year-round here, even when the rest of Richmond Park was dead and frosted over. In the thin moonlight she could see them, a carpet of tiny white and yellow heads, open at midnight, their faces turned not toward the moon but toward the center of the clearing. Nothing moved. She checked her phone. No signal, as expected. The time read 11:47. Then, as she watched, it stuttered to 11:43, then 11:49, then back to 11:47. She locked it and shoved it deep into her pocket. Time moves differently here, Eva had warned her. An hour inside can be minutes or days outside. You don't want to get caught out. Rory had nodded and filed it away as useful information, the way she filed away the statutes her father Brendan used to quote at the dinner table when she was still a dutiful Pre-Law student at Cardiff University, before her mother Jennifer had stopped trying to convince her to stay and before Evan had made staying impossible. Now the fact felt less like trivia and more like a threat. The Heartstone pulsed again, hotter this time, and she hissed through her teeth. The clearing was empty. The grass was too perfect, untouched. No footprints but her own, leading in between the standing stones. At the far side, near the largest stone, the air seemed to shiver. Rory went still, her hand unconsciously rising to cover the pendant to dim its faint inner glow. At first she thought it was heat haze, though there was no heat. A patch of air about the size of a doorway, rippling like the surface of a pond when someone touches it from beneath. She couldn't see through it properly. The trees on the other side were there and not there, their outlines stretched. She knew what a Hel portal looked like from descriptions, a thin place wearing through. This wasn't thin. This was open. And it hadn't been there when she arrived. She was sure of it. Rory took a step back. Her boot found a twig and snapped it. The sound was far too loud. It cracked and kept cracking, an echo that rolled around the circle of stones and didn't fade the way an echo should. Something echoed back. Not a snap. A soft sound, from the treeline behind her. A rustle, as if something had shifted its weight in the bracken just outside the ring. She turned quickly. Nothing there. Only the dark between the trees, the oak stones standing like patient sentinels. The wildflowers were still. The wind had stopped. "Hello?" she said, and immediately regretted it. Her voice sounded small and flat, swallowed up. No answer. Cool-headed, she told herself. Be cool-headed. She scanned the tree line the way she had been taught to scan a courtroom or a hostile kitchen at the Golden Empress when Yu-Fei Cheung was in a foul mood and the dinner rush was on, looking for the detail that didn't fit. She found it. The flowers. At the edge of the clearing, near the leftmost standing stone, a patch of them had been pressed flat, as if something heavy had recently lain there. Or knelt there. The stems were still bent, not broken, still pale and leaking sap. The rustle came again. This time from the other side of the clearing. Closer. Rory's mouth went dry. She was being circled. Whatever it was, it was moving at the edge of her vision, never quite where she looked. She caught flashes of it, not shapes but absences, a place where the moonlight didn't land right. She tried to track it and her eyes slid away, the way they did when she tried to stare directly at the shimmer over the portal. The pendant was burning now. Not pulsing. A steady, warning heat that made the skin beneath it prickle and sweat. She curled her left hand around it without thinking and felt the small crescent-shaped scar on her left wrist stretch, that old white mark from a childhood accident in her parents' garden in Cardiff, falling against the stone birdbath. The scar was cold against the hot metal. A sound rose under the silence. At first she thought it was the wind returning, a low sigh through the high branches. Then she realized it was breathing. Slow, deep breaths, taken out of sync with her own, coming from just beyond the stones, from all around the circle at once. It was not trying to hide anymore. Her quick thinking, the part of her that had gotten her out of Cardiff and out from under Evan and into a life доставки boxed lunches across London on a second-hand bicycle, told her to move now. Don't wait to see it. The Grove was Fae-touched, a pocket realm, and if a Hel portal was open in its center then whatever breathed out there had already found the door. She needed to be on the other side of the boundary. She took one careful step backward toward the stones she'd entered through. The wildflowers brushed her ankles. Another step. The breathing paused. In the pause, she heard something else. A soft tread on the flowers. Not behind her. In front of her, between her and the stones. Rory froze. Her height at five foot six had always made her feel neither tall nor small, but now the clearing felt huge and she felt very small inside it. She stared hard at the space between the two oak stones. The air there was empty. She could see the dark path beyond, the honest, normal leaf litter of Richmond Park, the faint orange glow of the city. Safety was ten feet away. But the flowers between her and that gap were bending. One by one, heads bowing as if under invisible feet, coming toward her. She didn't run. Running would have meant turning her back. Instead she stepped sideways, keeping her face to the approaching pressure, giving ground toward the center of the grove, toward the shimmering portal she didn't want to go near. It was the wrong direction and she knew it, but the pressure let her go, the bending flowers stopping where she had been standing. The breathing resumed, closer now, just on the other side of the nearest stone. She could hear the wet click at the end of each exhale. Rory pressed her back against the largest standing stone, the bark-like rock cold even through her jacket. The Heartstone beat once, hard, against her chest, so hot she gasped. The shimmer in the center of the clearing throbbed in answer, its faint light catching the deep crimson of the gem and throwing a red stain across her throat. And then, from the treeline, beyond the circle, a second shimmer answered. Smaller. New. Opening. She wasn't alone with one of them. There were two. The rustle became a step. A clear, deliberate step into the ring. The wildflowers didn't bend this time. They flattened completely, as if pressed by something that had weight and shape but still refused to be seen. Rory held her breath until her lungs burned. In the moonlight, at the edge of her vision, she saw the air fold around an outline that was almost human and almost not, tall and too thin, its head cocked at an angle that listened. It was looking not at her, but at the pendant. At the light. Rory did the only out-of-the-box thing she could think of. She yanked the silver chain over her head and, with the scarred wrist flashing white in the dark, threw the pulsing Heartstone as hard as she could away from herself, away from the boundary, straight into the shimmering heart of the Hel portal. The stone spun, its faint inner glow flaring bright as it arced, and for a half second the invisible thing snapped its attention away, turning toward the light, toward the portal that swallowed the crimson star with a soft, terrible inhalation like a mouth closing. The pressure broke. Rory didn't wait. She lunged for the gap between the oak standing stones, scrambled through the boundary, and hit the cold, honest earth of Richmond Park on the other side, the November air slamming back into her lungs like ice water. She didn't look back. She ran for the fence, for the orange streetlamps, for the noise of the city that had never sounded so loud, the wildflowers already closing behind her in the dark.
created_at"2026-09-03T08:18:41.856Z" 9/3/2026, 8:18:41 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency9642
moderation_latency(null)
generation_time34284
tokens_prompt792
tokens_completion2763
native_tokens_prompt746
native_tokens_completion3651
native_tokens_completion_images0
native_tokens_reasoning1220
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"
usage0.01644925
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423521-uN1m9WOdp1E24WbZzOWz"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423521-oAombbD07ebWmcHCsKCG"
upstream_id"resp_6a992d621e2d6c358dbf4cb1"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992d621e2d6c358dbf4cb1"
is_byokfalse
latency468
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.01644925
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
totalTags3
adverbTagCount0
adverbTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
92.39% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1971
totalAiIsmAdverbs3
found
0
adverb"quickly"
count1
1
adverb"very"
count1
2
adverb"completely"
count1
highlights
0"quickly"
1"very"
2"completely"
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)
56.87% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1971
totalAiIsms17
found
0
word"warmth"
count3
1
word"pulsed"
count2
2
word"pulse"
count1
3
word"throb"
count1
4
word"perfect"
count1
5
word"echo"
count2
6
word"echoed"
count1
7
word"weight"
count2
8
word"sentinels"
count1
9
word"scanned"
count1
10
word"silence"
count1
11
word"throbbed"
count1
highlights
0"warmth"
1"pulsed"
2"pulse"
3"throb"
4"perfect"
5"echo"
6"echoed"
7"weight"
8"sentinels"
9"scanned"
10"silence"
11"throbbed"
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
narrationSentences155
matches
0"y with warmth"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences155
filterMatches
0"feel"
hedgeMatches
0"seemed to"
1"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences155
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen58
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1971
ratio0
matches(empty)
25.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions2
matches
0"Then, as she watched, it stuttered to 11:43, then 11:49, then back to 11:47."
1"Cool-headed, she told herself."
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions57
wordCount1951
uniqueNames23
maxNameDensity0.62
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Richmond4
Park4
London2
Eva3
Heartstone4
Warmth1
Hel4
Grove3
Fae3
Earth1
November3
Brendan1
Pre-Law1
Cardiff2
University1
Jennifer1
Evan2
Golden1
Empress1
Yu-Fei1
Cheung1
Fae-touched1
Rory12
persons
0"Eva"
1"Heartstone"
2"Warmth"
3"Brendan"
4"Jennifer"
5"Evan"
6"Yu-Fei"
7"Cheung"
8"Rory"
places
0"Richmond"
1"Park"
2"London"
3"Hel"
4"Grove"
5"Fae"
6"Cardiff"
7"Golden"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences105
glossingSentenceCount2
matches
0"not quite either place"
1"looked like from descriptions, a thin pla"
0.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches5
per1kWords2.537
wordCount1971
matches
0"not toward the moon but toward the center of the clearing"
1"No footprints but"
2"not shapes but absences, a place"
3"neither tall nor"
4"not at her, but at the pendant"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences155
matches
0"bracken that she"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs42
mean46.93
std37.48
cv0.799
sampleLengths
011
1122
26
36
4135
5121
69
7100
85
990
10129
1113
1251
1377
1413
1541
163
1727
1826
1915
2055
2144
2214
2368
2467
2558
2680
2722
2825
2973
3023
3163
3226
3358
3415
3510
3681
3713
3853
3945
403
4175
87.15% Passive voice overuse
Target: ≤2% passive sentences
passiveCount8
totalSentences155
matches
0"were locked"
1"been told"
2"was left"
3"been turned"
4"were gone"
5"get caught"
6"been taught"
7"been pressed"
8"being circled"
24.56% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount8
totalVerbs304
matches
0"was wiping"
1"was hammering"
2"was reacting"
3"was burning"
4"was breathing"
5"was not trying"
6"were bending"
7"was looking"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences155
ratio0
matches(empty)
97.16% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount185
adjectiveStacks0
stackExamples(empty)
adverbCount8
adverbRatio0.043243243243243246
lyAdverbCount2
lyAdverbRatio0.010810810810810811
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences155
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences155
mean12.72
std11.46
cv0.901
sampleLengths
011
151
228
39
434
56
66
720
829
910
1040
118
123
1325
1417
158
1621
1737
188
1913
2012
215
229
237
2411
2533
2626
2723
285
296
304
314
3211
3314
3416
3533
362
374
384
394
4014
4110
428
439
447
4557
4612
4713
484
496
41.94% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.3096774193548387
totalSentences155
uniqueOpeners48
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences143
matches
0"Too warm for November."
1"Instead the grove smelled of"
2"Then, as she watched, it"
3"Only the dark between the"
4"Then she realized it was"
5"Instead she stepped sideways, keeping"
ratio0.042
88.53% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount47
totalSentences143
matches
0"She slipped through sideways, the"
1"She hadn't come for a"
2"It hung against her sternum"
3"It pulsed faintly with warmth"
4"She had never felt it"
5"Her bright blue eyes were"
6"She was cool-headed by nature,"
7"She told herself there was"
8"She needed to see it,"
9"They weren't supposed to look"
10"They were stone, of course,"
11"They marked the boundary of"
12"It was warmer, for one"
13"She checked her phone."
14"She locked it and shoved"
15"You don't want to get"
16"She couldn't see through it"
17"She knew what a Hel"
18"She was sure of it."
19"Her boot found a twig"
ratio0.329
78.88% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount109
totalSentences143
matches
0"Rory knew she shouldn't have"
1"The gates were locked at"
2"She slipped through sideways, the"
3"November air was cold enough"
4"The town beyond the park"
5"She hadn't come for a"
6"The Heartstone had pulled her"
7"It hung against her sternum"
8"Tonight it had woken up"
9"Warmth, then cool, then warmth"
10"It pulsed faintly with warmth"
11"She had never felt it"
12"The pulse had gotten stronger"
13"Rory pushed her straight shoulder-length"
14"Her bright blue eyes were"
15"The path was hardly a"
16"She was cool-headed by nature,"
17"She told herself there was"
18"Someone had opened a portal"
19"She needed to see it,"
ratio0.762
34.97% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences143
matches
0"Now the fact felt less"
ratio0.007
51.02% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences70
technicalSentenceCount9
matches
0"It pulsed faintly with warmth when near a Hel portal, that was the rule she'd been told when it was left for her by the unknown benefactor, no note, just the pe…"
1"She was cool-headed by nature, that was what people said about her, intelligent, quick with out-of-the-box thinking, but that reputation didn't help when her ow…"
2"They were stone, of course, weathered and lichen-spotted, but the grain of the rock ran like wood, whorls and knots frozen mid-growth, as if trees had been turn…"
3"She scanned the tree line the way she had been taught to scan a courtroom or a hostile kitchen at the Golden Empress when Yu-Fei Cheung was in a foul mood and t…"
4"At the edge of the clearing, near the leftmost standing stone, a patch of them had been pressed flat, as if something heavy had recently lain there."
5"Her quick thinking, the part of her that had gotten her out of Cardiff and out from under Evan and into a life доставки boxed lunches across London on a second-…"
6"One by one, heads bowing as if under invisible feet, coming toward her."
7"The stone spun, its faint inner glow flaring bright as it arced, and for a half second the invisible thing snapped its attention away, turning toward the light,…"
8"She ran for the fence, for the orange streetlamps, for the noise of the city that had never sounded so loud, the wildflowers already closing behind her in the d…"
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)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
82.6158%