Run: 2026-10-07-01M4AV71QZYJSK9B0MZ1E8GFHE

Run Details

Duration:
2m 57s
Cost:
$0.014558
Provider:
Mistral

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 Heartstone had been burning against her sternum for six hours straight, a coal pressed to skin, when Rory finally let it pull her here. She stood now at the edge of Richmond Park where the hawthorn hedge grew thick and thorned, and beyond it, the clearing waited. She could see the standing stones even from here, ancient oak trunks petrified into gray pillars, arranged in a circle that predated the park, predated London, predated the sensible world. She pushed her bicycle—borrowed from Yu-Fei's kitchen, chain rattling—through a gap in the undergrowth and stepped across the threshold. The sound died first. Not gradually, but all at once, as if someone had drawn a line in the dark and muted everything beyond it. The distant hum of the North Circular, the occasional hoot of an owl from the park's proper trees, the rustle of a fox in the bracken—all of it, gone. In its place, a silence so complete it had texture, pressing against her eardrums like water. Rory adjusted the strap of her delivery bag. It was empty; she'd come straight from her shift at the Golden Empress, still wearing her black uniform trousers and the faded polo shirt with the embroidered dragon. Her hair, usually pinned back for work, hung loose around her shoulders, straight and black, catching the moonlight that filtered through the canopy in pale, watery shafts. She was twenty-five, five-foot-six, and currently very stupid. She touched her left wrist without thinking, fingers finding the crescent-shaped scar there, the pale line from the childhood accident in Cardiff. A nervous habit. Her father had been a barrister; her mother a teacher. She'd been raised to be cool-headed, to assess, to plan. But planning required information, and the only information she had was the pendant's insistent heat, the way its deep crimson glow seemed to pulse in rhythm with her own heartbeat, visible now through the thin fabric of her shirt. The Heartstone. Thumbnail-sized, set in silver, given to her three weeks ago by a woman in a gray coat who'd left it on the counter at Silas' bar with no note, no explanation. Since then, it had been quiet. Dormant. Tonight, it had woken up screaming. She stepped between the first two standing stones. The air changed. It grew heavy, sweet, tasting of pollen and copper. Around her, wildflowers bloomed in the darkness—foxgloves and bluebells and things she didn't have names for, their petals luminous, casting faint colored shadows across the grass. They bloomed year-round here, the locals said, though Rory had never come to verify. She'd heard stories in the bar, whispered by Silas's regulars who'd had too much stout and seen too much. The Grove existed in a pocket between Earth and the Fae realm. An hour inside could be minutes outside, or days. She checked her watch. 11:47 PM. She'd left the flat above Silas' at 11:30. Rory walked deeper into the circle, her boots—scuffed trainers—sinking slightly into earth that felt too soft, too yielding. The standing stones rose around her, eight in total, each one carved with spirals that seemed to move when she wasn't looking directly at them. She told herself it was the light, the way moonbeams played across lichen and bark. She told herself a lot of things. But then she heard it. A sound like breathing. Not her own. Close, but not close enough. Rhythmic, wet, and wrong—too many inhales, too few exhales. It came from her left, then her right, then seemed to come from inside her own skull. Rory stopped. Her bright blue eyes swept the darkness between the stones, searching for the source. She saw nothing. Only the flowers, swaying though there was no wind. Only the stones, standing in their ancient circle. Only the shadows, which seemed deeper than they should be, pooling at the base of the oaks like spilled ink. She reached up and touched the Heartstone. It pulsed once, sharply, as if in answer, and the crimson light flared bright enough to throw her shadow against the nearest stone. The shadow was wrong. Too tall. The arms too long. And it moved independently of her, stretching toward the center of the circle while Rory stood frozen. "Hello?" Her voice sounded small. Stupid. She cleared her throat and tried again, louder, projecting the way her father had taught her in courtrooms, the way she'd used to disarm Evan before he'd learned that volume didn't mean safety. "I know you're here. I can feel the pendant. Show yourself." Silence. Then, from directly behind her, the snap of a twig. Rory spun. Her heart hammered against her ribs, a trapped bird. She saw movement—just at the edge of her vision, a flicker of gray where the hawthorn hedge should be, a shape that resolved into nothing when she focused on it. The flowers all turned their heads toward her, thousands of blooms rotating on stems that creaked like old hinges. Time was doing something strange. She could feel it in her joints, a stiffness, a reluctance to move. Her watch had stopped at 11:47. When she checked her phone—fishing it from her pocket with trembling fingers—the screen showed 3:12 AM. She'd been standing in the circle for less than a minute, or perhaps hours. The distinction had become meaningless. The breathing started again. Closer now. It circled her, a sound without a source, and with it came the smell—not the sweet rot of the flowers, but something else. Cold. Metallic. The smell of the Hel, if the stories were true, if the pendant's warmth meant it was near a portal to that place, that underworld realm of ice and silence. Rory backed up until her shoulder blades touched the cold, smooth surface of a standing stone. She was inside the circle now, fully, completely. The stones surrounded her, eight ancient sentinels, and she realized with a chill that she couldn't remember which gap she'd entered through. The hawthorn hedge was gone, replaced by darkness that breathed. She was not alone. The certainty settled into her bones, cold and heavy as the pendant itself. She wasn't imagining the presence. She could feel it watching her with eyes that didn't need light, feel its attention like a physical weight pressing down on her shoulders, her chest, the silver chain at her throat. It was patient. Ancient. It had been waiting in this pocket of the world since before the oaks had been wood, before the stones had been raised, before Cardiff or London or any human city had drawn breath. Rory's hand found her left wrist again, the scar there, and she gripped it hard enough to hurt. Pain was real. Pain was a tether to the world she knew, to the flat above Silas' bar, to the delivery routes she knew by heart, to the life she'd built after fleeing Evan's violence, after leaving Cardiff and her parents' careful expectations behind. She was Aurora Carter. She was Rory. She was twenty-five years old and alive and not ready to be taken. The Heartstone flared again, crimson light painting the stones red, and in that light, she saw them. The watchers. They stood between the trees, just beyond the circle, dozens of shapes that wore the semblance of people but moved like something else, their limbs bending wrong, their faces smooth and pale as the moon. They weren't coming closer. They were waiting for her to come to them, or waiting for the time to be right, or waiting for her to realize that she had never been the one who came here by choice. The pendant's chain grew warm, then hot, burning against her skin, and Rory understood, with the terrible clarity that comes in moments of absolute terror, that she hadn't followed the pendant to the Grove. It had brought her. Behind her, the gap in the standing stones—the way out, the way back to Richmond Park and the sensible, brutal world of delivery bikes and abusive exes and rent due on the first of the month—sealed shut with a sound like a sigh, like a door closing, like a mouth snapping shut around a meal. The breathing stopped. In the sudden, absolute silence, Rory heard her own name spoken, not in a voice, but in the space between her thoughts, in the rhythm of her pulse, in the beat of the Heartstone against her chest. "Aurora," it said. Or perhaps it was just the wind, finally rising, carrying the scent of snow and distant stars and the deep, dark places beneath the world. She turned, slowly, her black hair hanging lank and sweat-soaked around her face, her blue eyes wide and unblinking in the crimson glow, and saw that the flowers had all stopped moving. They were watching her too. And in the center of the circle, where no stone stood, the grass began to part, revealing earth that was not earth, dark and hungry and very, very cold. Rory gripped the pendant, feeling its pulse match her own, two hearts beating in the dark, and knew that the Grove had her now, that time would slip and slide and she would be here for an hour or a century, and that whatever waited in the center was not a benefactor, not a friend, not anything she had words for. It was hungry. And she was alone.
created_at"2026-10-07T09:30:49.481Z" 10/7/2026, 9:30:49 AM
model"mistralai/mistral-large-4-0-20261006"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency630
moderation_latency(null)
generation_time177289
tokens_prompt792
tokens_completion7338
native_tokens_prompt755
native_tokens_completion6720
native_tokens_completion_images(null)
native_tokens_reasoning5057
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"stop"
service_tier"default"
usage0.0145582
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791365449-RgbW8XcRPOK8L3s0bIUr"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791365449-u3cmOwzQSxg6Wke0Iafg"
upstream_id"4407ce70deb84941a504cce31ec951b5"
provider_responses
0
endpoint_id"19b3b5d7-23f6-4b63-8109-64a6cc37d996"
id"4407ce70deb84941a504cce31ec951b5"
is_byokfalse
latency602
model_permaslug"mistralai/mistral-large-4-0-20261006"
provider_name"Mistral"
status200
total_cost0.0145582
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"
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
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences3
tagDensity1
leniency1
rawRatio0
effectiveRatio0
77.78% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1575
totalAiIsmAdverbs7
found
0
adverb"very"
count3
1
adverb"slightly"
count1
2
adverb"sharply"
count1
3
adverb"completely"
count1
4
adverb"slowly"
count1
highlights
0"very"
1"slightly"
2"sharply"
3"completely"
4"slowly"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
46.03% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1575
totalAiIsms17
found
0
word"silence"
count4
1
word"pulse"
count3
2
word"rhythmic"
count1
3
word"pulsed"
count1
4
word"flicker"
count1
5
word"resolved"
count1
6
word"could feel"
count2
7
word"warmth"
count1
8
word"sentinels"
count1
9
word"chill"
count1
10
word"weight"
count1
highlights
0"silence"
1"pulse"
2"rhythmic"
3"pulsed"
4"flicker"
5"resolved"
6"could feel"
7"warmth"
8"sentinels"
9"chill"
10"weight"
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
narrationSentences111
matches(empty)
52.77% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount4
narrationSentences111
filterMatches
0"watch"
1"feel"
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)
analyzedSentences112
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen61
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1562
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions3
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions43
wordCount1511
uniqueNames21
maxNameDensity0.86
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Heartstone5
Rory13
Richmond2
Park2
London2
Yu-Fei1
North1
Circular1
Golden1
Empress1
Cardiff2
Since1
Silas1
Grove3
Earth1
Fae1
Stupid1
Evan1
Hel1
Aurora1
Carter1
persons
0"Heartstone"
1"Rory"
2"Empress"
3"Silas"
4"Grove"
5"Evan"
6"Aurora"
7"Carter"
places
0"Richmond"
1"Park"
2"London"
3"Yu-Fei"
4"Golden"
5"Cardiff"
6"Since"
7"Earth"
globalScore1
windowScore1
77.54% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences69
glossingSentenceCount2
matches
0"spirals that seemed to move when she wasn't looking directly at them"
1"seemed deeper than they should be, pooling at the base of the oaks like spilled ink"
7.94% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.921
wordCount1562
matches
0"Not gradually, but all at once, as if someone had drawn a line in the dark"
1"not the sweet rot of the flowers, but something else"
2"not in a voice, but in the space between her thoughts, in the rhythm of her puls"
47.62% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount4
totalSentences112
matches
0"learned that volume"
1"realize that she"
2"saw that the"
3"knew that the"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs38
mean41.11
std29.6
cv0.72
sampleLengths
078
119
24
366
471
584
646
78
892
914
1065
115
1238
1356
1457
1550
161
1710
1860
1959
2061
2156
224
2388
2482
2593
2634
274
2855
293
3037
3128
3232
335
3429
3561
363
374
95.78% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences111
matches
0"been raised"
1"was gone"
2"been raised"
25.33% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount6
totalVerbs229
matches
0"wasn't looking"
1"was doing"
2"wasn't imagining"
3"weren't coming"
4"were waiting"
5"were watching"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount13
semicolonCount2
flaggedSentences11
totalSentences112
ratio0.098
matches
0"She pushed her bicycle—borrowed from Yu-Fei's kitchen, chain rattling—through a gap in the undergrowth and stepped across the threshold."
1"The distant hum of the North Circular, the occasional hoot of an owl from the park's proper trees, the rustle of a fox in the bracken—all of it, gone."
2"It was empty; she'd come straight from her shift at the Golden Empress, still wearing her black uniform trousers and the faded polo shirt with the embroidered dragon."
3"Her father had been a barrister; her mother a teacher."
4"Around her, wildflowers bloomed in the darkness—foxgloves and bluebells and things she didn't have names for, their petals luminous, casting faint colored shadows across the grass."
5"Rory walked deeper into the circle, her boots—scuffed trainers—sinking slightly into earth that felt too soft, too yielding."
6"Rhythmic, wet, and wrong—too many inhales, too few exhales."
7"She saw movement—just at the edge of her vision, a flicker of gray where the hawthorn hedge should be, a shape that resolved into nothing when she focused on it."
8"When she checked her phone—fishing it from her pocket with trembling fingers—the screen showed 3:12 AM."
9"It circled her, a sound without a source, and with it came the smell—not the sweet rot of the flowers, but something else."
10"Behind her, the gap in the standing stones—the way out, the way back to Richmond Park and the sensible, brutal world of delivery bikes and abusive exes and rent due on the first of the month—sealed shut with a sound like a sigh, like a door closing, like a mouth snapping shut around a meal."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount367
adjectiveStacks0
stackExamples(empty)
adverbCount11
adverbRatio0.02997275204359673
lyAdverbCount5
lyAdverbRatio0.013623978201634877
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences112
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences112
mean13.95
std12.34
cv0.885
sampleLengths
025
123
230
319
44
521
629
716
88
928
1027
118
1222
133
1410
1510
1639
172
1831
196
201
216
228
233
249
2526
2614
2719
2812
299
304
312
328
3318
3425
3515
367
375
384
393
405
419
4217
432
4414
453
469
478
4820
497
41.67% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.33035714285714285
totalSentences112
uniqueOpeners37
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences97
matches
0"Only the flowers, swaying though"
1"Only the stones, standing in"
2"Only the shadows, which seemed"
3"Then, from directly behind her,"
ratio0.041
30.31% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount46
totalSentences97
matches
0"She stood now at the"
1"She could see the standing"
2"She pushed her bicycle—borrowed from"
3"It was empty; she'd come"
4"Her hair, usually pinned back"
5"She was twenty-five, five-foot-six, and"
6"She touched her left wrist"
7"Her father had been a"
8"She'd been raised to be"
9"She stepped between the first"
10"It grew heavy, sweet, tasting"
11"They bloomed year-round here, the"
12"She'd heard stories in the"
13"She checked her watch."
14"She'd left the flat above"
15"She told herself it was"
16"She told herself a lot"
17"It came from her left,"
18"Her bright blue eyes swept"
19"She saw nothing."
ratio0.474
63.09% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount77
totalSentences97
matches
0"The Heartstone had been burning"
1"She stood now at the"
2"She could see the standing"
3"She pushed her bicycle—borrowed from"
4"The sound died first."
5"The distant hum of the"
6"Rory adjusted the strap of"
7"It was empty; she'd come"
8"Her hair, usually pinned back"
9"She was twenty-five, five-foot-six, and"
10"She touched her left wrist"
11"A nervous habit."
12"Her father had been a"
13"She'd been raised to be"
14"Thumbnail-sized, set in silver, given"
15"Tonight, it had woken up"
16"She stepped between the first"
17"The air changed."
18"It grew heavy, sweet, tasting"
19"They bloomed year-round here, the"
ratio0.794
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences97
matches(empty)
ratio0
50.26% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences54
technicalSentenceCount7
matches
0"Not gradually, but all at once, as if someone had drawn a line in the dark and muted everything beyond it."
1"Her hair, usually pinned back for work, hung loose around her shoulders, straight and black, catching the moonlight that filtered through the canopy in pale, wa…"
2"She'd heard stories in the bar, whispered by Silas's regulars who'd had too much stout and seen too much."
3"Rory walked deeper into the circle, her boots—scuffed trainers—sinking slightly into earth that felt too soft, too yielding."
4"She could feel it watching her with eyes that didn't need light, feel its attention like a physical weight pressing down on her shoulders, her chest, the silver…"
5"They stood between the trees, just beyond the circle, dozens of shapes that wore the semblance of people but moved like something else, their limbs bending wron…"
6"And in the center of the circle, where no stone stood, the grass began to part, revealing earth that was not earth, dark and hungry and very, very cold."
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
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences3
tagDensity0.333
leniency0.667
rawRatio0
effectiveRatio0
73.8704%