Run: 2026-09-03-01M1K5NR2XNRS4DBXXM86HZPE5

Run Details

Duration:
1m 5s
Cost:
$0.019713
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 last bus left Rory at the Petersham gate with brake lights bleeding red into the wet road and then nothing. Richmond Park after dark was not supposed to be open. The gates were shut and the notice wired to them said so in white on green, but the side pedestrian cut had been left ajar, its chain pooled in the grass like a dropped necklace, and her phone showed Eva's pin dropped dead center in the dark beyond it. She stood a moment with her hands in the pockets of her delivery jacket, the Golden Empress logo still smelling faintly of chili oil and damp cardboard from the dinner shift. Her breath fogged. November air stripped the sweat from her neck. Above the black line of trees the sky over London glowed orange, too bright, too low, and then past the gate it simply stopped, as if something had put a lid over the park. Rory had not wanted to come. Eva's texts had gone from normal to strange in the space of three messages. Come to Isolde's grove. Don't bring anyone. Don't be late. Then no answer to Rory's calls, just the pin pulsing blue in a sea of green marked Richmond Park. It was the sort of thing Eva never did. Eva over-explained everything. The silence felt borrowed. She pushed through the gap. The chain clinked softly against the post. Inside, the wrongness started at her shoes. The path under the streetlamp by the gate was gravel and puddle. Ten steps in, past the first hawthorns, it turned to grass that gave under her trainers without sound. The city fell away too fast. She stopped and listened for it, for the A-road hum and a distant siren and the planes stacking over Heathrow, and found none of it. The dark here had weight. It pressed lightly on her eardrums. Her own breathing sounded too loud inside her head. Her hair, straight and black to her shoulders, lifted at the nape. She tucked it behind her ears with cold fingers and told herself to be practical. Cool head. That was what her father always said she had, back when they still spoke without law books between them, Brendan Carter in his Dublin chambers voice, you think sideways, Aurora. It had annoyed her at Cardiff, sitting in pre-law lectures she never wanted, feeling the future narrow. It helped now. Name what you see. Test it. What she saw was trees. She followed Eva's pin by phone light, the beam shaking slightly over tussocks and rabbit holes. The oaks closed in, older than any trees had a right to be this close to London, trunks thick as cars, bark furred with moss. Between two of them stood the first stone. It was not quite stone. That was the next wrong thing. At the edge of her torchlight it looked like wood turned to rock, tall as her and pitted, grain still visible where lichen had peeled away. An oak that had decided to be a standing stone. Then another beyond it, and another, a broken circle disappearing into dark. She remembered what the daytime walkers called them. Richmond grove. Isolde's grove. A story for tourists about fairies. The air changed when she stepped between the first two stones. It warmed by several degrees against her cheeks, and the smell came up, sweet and green and entirely out of season. Wildflowers. Rory lowered her phone. The torch caught them in patches. White stitchwort and bluebells and red campion, blooming thick in November, stems beaded with dew that should have been frost. They brushed her ankles as she moved, releasing that summer smell, too strong for the cold night. No flowers bloomed like that without reason. Her mind flicked through explanations, soil heating, city microclimate, some park experiment, and discarded each one because none of them explained the light. There was no moon. The clouds were solid. Yet inside the circle of stones she could see. Not well, but enough. A faint, sourceless luminescence clung to the petals and to the undersides of leaves, as if the grove remembered daylight and was slow to let it go. Her pendant warmed. It was a small thing, thumbnail-sized, a deep crimson stone on a silver chain she kept tucked under her thermal. A man at the restaurant had left it for her weeks ago with no note, just Yu-Fei sliding the little box across the pass and saying, customer left this for the Cardiff girl, and no customer ever claiming it. Rory had meant to turn it in. She had kept wearing it instead. Now it pulsed once against her sternum, a slow throb of heat, then again. Faintly, through the fabric, she could see its inner glow redden. She stopped dead. Her thumb found the small crescent-shaped scar on her left wrist without thinking, pressing the old white curve from a childhood fall onto a broken mug, a habit when she needed to think. Heat meant something. She did not know what, only that in the last week the stone had gone warm near the railway arches and near the service door of Silas's bar below her flat, places where the air had felt thin and leftover, and both times she had dreamed afterward of doors opening under water. Eva, she called. Her voice did not carry. It stopped three feet out, absorbed by moss and dark. Eva? No answer. Then a sound that should not have been there. Leaves moving, but not in wind. There was no wind inside the stones. The high branches were still. The sound was low, at ground level, a dry shuffling through the campion to her left, deliberate, starting and stopping when she turned her head. Rory swung the phone light toward it. The beam caught only flowers nodding, stems still settling, as if something had just drawn back. She stood very still and counted her heartbeats to slow them. Ten. Eleven. Cool-headed. Test it. Deer, she thought. Richmond had deer. A stag moving through bracken would make exactly that sound. A stag would not stop when she looked, but she told herself it might. The pendant pulsed again, hotter. She walked on toward the center because stopping felt worse, her trainers silent on the soft ground. The pin said Eva was here. The clearing opened, a perfect round of close-cropped grass ringed by the ancient oaks and their stone kin. In the middle the wildflowers grew thicker, a low mound of them, white in the dimness. Rory's bright blue eyes, useless in true dark, picked out too much detail anyway. Every petal edged. Every stamen. The clarity felt attentive, like the place was looking back through her own sight. A twig cracked behind her. She turned so fast the light smeared. Nothing. Trunks and dark and the two stones she had passed through standing shoulder to shoulder now, closer together than she remembered. She stared at the gap between them. She had walked through it easily a minute ago. Now it was a slit barely wide enough for a child. Bark groaned, very faintly, wood on stone. That is not possible, she thought, and immediately hated the thought because it was sloppy. Find the mechanism. Erosion. Perspective. Tired eyes after a double shift. She took a step back toward them to measure and the shuffling sound came again, this time to her right, closer, a drag and lift, drag and lift through flowers that released their sweet rot smell in bursts. Eva? she said, sharper. Stop messing about. Her voice shook on the last word and the grove took the shake and kept it. Something moved at the edge of her vision. Not a shape so much as a cancellation, a place between two oaks where the faint petal-light did not reach. When she looked straight at it, it was only shadow. When she looked at the mound of flowers, she caught it leaning in the periphery, taller than her, too thin, its head tipped at an angle that made her own neck ache in sympathy. Rory's mouth went dry. She clicked the phone light off because the beam was blinding her to everything outside it, and the dark rushed in and then resolved. The grove did glow, faintly. The clearing, the stones, the white flowers. And the spaces between the trees did not. They were absolute. There were more of those spaces than there should have been. She counted oaks, lost count, counted again. Seven trunks. Eight gaps. The numbers would not settle. The pendant burned now, a coin of heat branding through cotton. Its crimson glow bled through her shirt, lighting her chin from below. She cupped it through the fabric without thinking to hide the light and felt its rhythm change, quickening to match something else. Listening. There was a second pulse out in the dark, under the ground, answering. Time slipped. She glanced at her phone for Eva's pin and saw 23:47. She stared at the mound, looked back, saw 23:42. Five minutes gone the wrong way. Her lock screen photo, her mum Jennifer smiling in a school staffroom in Cardiff, seemed dimmer, as if seen through water. She thought suddenly and clearly of her flat above Silas's bar, the neon buzz through the floorboards, the safety of ordinary noise, and it felt very far away, not in distance but in order, like a story she had once been told. Rory, said the dark to her left, in Eva's voice. Every hair on her arms rose. It was Eva's pitch, Eva's Cardiff lilt flattened by London, but empty of Eva's hurry. It said her name as if tasting the shape of it. She did not answer. Her father's voice in her head, think sideways, and her mother's, kinder, when you are lost stay put and make yourself noticed. She did the opposite of both. She stepped backward toward the center mound, keeping her feet slow to avoid sound, eyes moving constantly, never fixing on the gaps. The flowers crushed under her heels gave up crushed honey and iron. Rory, it said again, from behind the stones now, closer. Come on. You came all this way. The shuffling circled. Drag and lift. She tracked it by the nodding of the flower heads in the faint light, a ring drawing tighter. Her peripheral self kept catching the tall thin cancellation, now between one oak and the next, now nearer, its head still tipped, learning her. She reached the mound. The wildflowers there were warm to the touch when her hand brushed them, alive in a way late-autumn things should not be. The pendant jerked hard against her chest, a tug toward the ground, toward that answering pulse below. Hel portal, a word surfaced from somewhere she did not trust, Yu-Fei's late-night stories over stock pots, old words for thin places. The stone throbbed faintly with warning heat. The light on the petals dimmed, as if a cloud had passed over a sun that was not there. The air cooled one degree, then another. Her breath fogged again. The sweet smell thinned, replaced by wet earth and cold stone. In the new dark she understood she was not alone and had not been since the gate. The grove was full. It was full of stillnesses shaped like watchers, ringed patiently between the ancient oak stones, waiting for her to decide whether to run for a gap that was no longer there or to kneel and put her hand to the warm flowers and open what was knocking underneath. She stood on the mound with her black hair stirring in a wind that touched nothing else, her blue eyes wide and useless and seeing too much, one thumb pressed hard into the crescent scar on her wrist until it hurt, and listened to Eva's voice try her name a third time from the dark that leaned closest, patient and certain and wrong.
created_at"2026-09-03T08:20:26.851Z" 9/3/2026, 8:20:26 AM
model"meta/muse-spark-1.3-20260902"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3609
moderation_latency(null)
generation_time65096
tokens_prompt792
tokens_completion2905
native_tokens_prompt746
native_tokens_completion4419
native_tokens_completion_images0
native_tokens_reasoning1850
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"
usage0.01971325
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423626-6g7dmSPWaVPeGfinn0Ri"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423626-1aZ2nC8FGQRZLycJHTFv"
upstream_id"resp_6a992dcb4a67247f0b5444aa"
provider_responses
0
endpoint_id"cf4f1b4e-1719-4b65-9111-7dd7635e5a2f"
id"resp_6a992dcb4a67247f0b5444aa"
is_byokfalse
latency419
model_permaslug"meta/muse-spark-1.3-20260902"
provider_name"Meta"
status200
total_cost0.01971325
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
82.46% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1996
totalAiIsmAdverbs7
found
0
adverb"softly"
count1
1
adverb"lightly"
count1
2
adverb"slightly"
count1
3
adverb"very"
count3
4
adverb"suddenly"
count1
highlights
0"softly"
1"lightly"
2"slightly"
3"very"
4"suddenly"
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)
69.94% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1996
totalAiIsms12
found
0
word"silence"
count1
1
word"weight"
count1
2
word"flicked"
count1
3
word"pulsed"
count2
4
word"throb"
count1
5
word"perfect"
count1
6
word"resolved"
count1
7
word"pulse"
count2
8
word"lilt"
count1
9
word"throbbed"
count1
highlights
0"silence"
1"weight"
2"flicked"
3"pulsed"
4"throb"
5"perfect"
6"resolved"
7"pulse"
8"lilt"
9"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
narrationSentences175
matches
0"e in sympathy"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount0
narrationSentences175
filterMatches
0"think"
1"see"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences175
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen63
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1996
ratio0
matches(empty)
41.67% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions2
matches
0"Eva, she called."
1"Rory, it said again, from behind the stones now, closer."
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions55
wordCount1996
uniqueNames19
maxNameDensity0.75
worstName"Eva"
maxWindowNameDensity2.5
worstWindowName"Eva"
discoveredNames
Rory10
Petersham1
Park2
Eva15
Golden1
Empress1
London3
Isolde2
Richmond4
Heathrow1
Brendan1
Carter1
Dublin1
Aurora1
Cardiff4
November2
Yu-Fei2
Silas2
Jennifer1
persons
0"Rory"
1"Eva"
2"Isolde"
3"Brendan"
4"Carter"
5"Yu-Fei"
6"Silas"
7"Jennifer"
places
0"Petersham"
1"Park"
2"London"
3"Richmond"
4"Dublin"
5"Cardiff"
6"November"
globalScore1
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences113
glossingSentenceCount2
matches
0"looked like wood turned to rock, tall as"
1"as if tasting the shape of it"
49.70% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.503
wordCount1996
matches
0"Not well, but enough"
1"not stop when she looked, but she told herself it might"
2"not in distance but in order, like a story she had once been told"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences175
matches
0"releasing that summer"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs40
mean49.9
std29.07
cv0.583
sampleLengths
080
176
265
312
47
581
685
75
849
977
1033
1177
1248
133
1497
1591
1619
1711
1866
1946
205
2190
225
2363
2464
2523
2672
2751
2827
2959
3091
3110
3232
3366
3417
3548
3672
3741
3869
3963
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences175
matches
0"been left"
1"been told"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs327
matches
0"was looking"
1"was blinding"
2"was knocking"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences175
ratio0
matches(empty)
90.62% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount2006
adjectiveStacks1
stackExamples
0"small crescent-shaped scar"
adverbCount88
adverbRatio0.04386839481555334
lyAdverbCount21
lyAdverbRatio0.010468594217347957
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences175
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences175
mean11.41
std10.7
cv0.938
sampleLengths
021
110
249
331
43
58
634
76
814
94
103
113
1219
139
143
154
165
177
187
1912
2018
216
2225
235
246
259
2612
2715
282
2930
3017
313
324
332
345
3516
3625
378
385
396
4026
4110
4212
438
442
452
466
4711
4821
491
46.48% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.33714285714285713
totalSentences175
uniqueOpeners59
86.58% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences154
matches
0"Then no answer to Rory's"
1"Then another beyond it, and"
2"Faintly, through the fabric, she"
3"Then a sound that should"
ratio0.026
77.14% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount55
totalSentences154
matches
0"She stood a moment with"
1"Her breath fogged."
2"It was the sort of"
3"She pushed through the gap."
4"She stopped and listened for"
5"It pressed lightly on her"
6"Her own breathing sounded too"
7"Her hair, straight and black"
8"She tucked it behind her"
9"It had annoyed her at"
10"It helped now."
11"She followed Eva's pin by"
12"It was not quite stone."
13"She remembered what the daytime"
14"It warmed by several degrees"
15"They brushed her ankles as"
16"Her mind flicked through explanations,"
17"Her pendant warmed."
18"It was a small thing,"
19"She had kept wearing it"
ratio0.357
70.39% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount120
totalSentences154
matches
0"The last bus left Rory"
1"Richmond Park after dark was"
2"The gates were shut and"
3"She stood a moment with"
4"Her breath fogged."
5"November air stripped the sweat"
6"Rory had not wanted to"
7"Eva's texts had gone from"
8"It was the sort of"
9"Eva over-explained everything."
10"The silence felt borrowed."
11"She pushed through the gap."
12"The chain clinked softly against"
13"The path under the streetlamp"
14"The city fell away too"
15"She stopped and listened for"
16"The dark here had weight."
17"It pressed lightly on her"
18"Her own breathing sounded too"
19"Her hair, straight and black"
ratio0.779
64.94% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences154
matches
0"Now it pulsed once against"
1"Now it was a slit"
ratio0.013
67.67% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences76
technicalSentenceCount8
matches
0"Above the black line of trees the sky over London glowed orange, too bright, too low, and then past the gate it simply stopped, as if something had put a lid ov…"
1"White stitchwort and bluebells and red campion, blooming thick in November, stems beaded with dew that should have been frost."
2"A faint, sourceless luminescence clung to the petals and to the undersides of leaves, as if the grove remembered daylight and was slow to let it go."
3"When she looked at the mound of flowers, she caught it leaning in the periphery, taller than her, too thin, its head tipped at an angle that made her own neck a…"
4"Her lock screen photo, her mum Jennifer smiling in a school staffroom in Cardiff, seemed dimmer, as if seen through water."
5"It said her name as if tasting the shape of it."
6"It was full of stillnesses shaped like watchers, ringed patiently between the ancient oak stones, waiting for her to decide whether to run for a gap that was no…"
7"She stood on the mound with her black hair stirring in a wind that touched nothing else, her blue eyes wide and useless and seeing too much, one thumb pressed h…"
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
87.6971%