Run: 2026-10-07-01M4AVPPJBR42MGQ6581E4C3MV

Run Details

Duration:
1m 41s
Cost:
$0.013438
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 chain of the Heartstone Pendant lay heavy against Aurora’s sternum, the crimson stone pulsing in arrhythmic thumps that matched nothing in her chest. She stood at the edge of Richmond Park where the ancient oaks grew in a ring, their standing stones half-swallowed by ivy and time. Midnight. The hour when even London’s sirens seemed to hold their breath. She had come because the pendant had started screaming three days ago—a silent vibration that rattled her teeth, a heat that burned through the silver chain and her fleece jacket. The delivery app on her phone had glitched at 11:47 PM, the GPS pinning her location not to Yu-Fei’s Golden Empress, nor to the flat above Silas’ bar, but to a coordinate that didn’t exist: a clearing between worlds. She’d ignored it then, blaming the November chill and the third coffee of her shift. But the pulse had grown insistent, a beacon calling her to a place she’d never been, drawn by a gift from a benefactor she couldn’t name. Aurora adjusted the strap of her messenger bag—still smelling of Szechuan pepper and cardboard—and stepped over the threshold. The standing stones marked the boundary, rough granite teeth jutting from the earth, draped in moss that glowed faintly silver in the moonlight. On her left wrist, the crescent scar tingled, a phantom itch from the childhood accident that had nearly severed the tendon. She rubbed it absently, a nervous tic she’d carried since Evan, since Cardiff, since the life she’d abandoned for this one. The Grove swallowed her. The transition was not violent but wrong—a pressure change, like diving deep underwater, though her ears remained clear. The sounds of the city vanished. No traffic from the A316. No foxes screaming. No drunken laughter from the park’s night wanderers. Only silence, dense and velvety, pressing against her eardrums. She walked. The path beneath her boots—trainers scuffed from ten thousand deliveries across London—should have been mud, but felt like packed ash. Wildflowers bloomed here year-round, a pocket of eternal spring wedged between Earth and the Fae realm, but tonight the blooms were wrong. Bluebells and foxgloves and winter aconites crowded the undergrowth, their petals bruised purple and black, their centers weeping a sap that looked too much like ink. They swayed without wind, their stems bending in a direction that made Aurora’s eyes water when she tried to track them. Her phone buzzed. She fished it from her pocket, blue light illuminating her black hair, her bright blue eyes. 12:03 AM. She’d been walking for two minutes. The Heartstone flared. Heat radiated from the crimson gem, searing through the fabric of her shirt. Aurora gasped, clutching the pendant. It pulsed in a pattern—three quick beats, a pause, two slow throbs—Morse code for help me, or perhaps run. She looked up. The clearing opened before her, a cathedral of oak and shadow. The trees here were too tall, their canopies knitting together overhead so that the moon appeared as a distant coin seen through frosted glass. In the center stood a shimmer, a distortion in the air like heat rising from summer asphalt, but cold. A Hel portal. The pendant’s warmth spiked, and Aurora felt the familiar vertigo of temporal displacement—the knowledge, cellular and certain, that she had stepped into a place where an hour might be a day, or a minute a decade. She should leave. Her pre-law mind, trained to assess risk and liability, screamed at her to retreat to the stones, to call Eva, to dial 999 and explain that she was having a psychotic break in Richmond Park. Instead, she walked forward, her boots silent on the ash-path. That was when she heard the breathing. It came from her left—wet, labored, the respiration of something with too many lungs or none at all. Aurora stopped. Her breath clouded in the air, white and real, but the temperature was wrong; the Grove held the chill of deep winter despite the blooming flowers. She turned. Nothing. Only the dark between the oaks, the bruised flowers, the shimmering portal. The breathing moved. Now to her right. Then behind her. It circled, a sound without a source, or a source that refused to be fixed. Aurora’s hand found her wrist, fingers pressing into the crescent scar until it burned. A grounding technique. Evidence. Logic. “Hello?” Her voice cracked. The sound didn’t carry; it died at her lips, swallowed by the velvet silence. The flowers began to close. Not wilting—recoiling. Their petals folded inward, one by one, a wave of blackness rippling through the undergrowth. Aurora stumbled back, her trainer’s sole catching on a root that hadn’t been there a second before. She looked down. The root was fingers. Pale, elongated, tipped with nails like yellowed bone, gripping her ankle not with force but with terrible gentleness. She kicked. Her foot passed through it, and the cold was absolute, a frostbite that climbed her leg in seconds. She screamed, the sound finally breaking free, raw and high. The portal flared, crimson light washing over her, and the Heartstone blazed against her chest, its inner glow flaring to match. Movement at the edge of her vision. Always at the edge. Shadows detaching from the oak trunks, standing upright, watching with eyes that reflected no moonlight. Aurora spun, her breath coming in ragged gasps, her logical mind shattering like porcelain. There were dozens of them. Figures draped in shed bark and shadow, faceless or wearing masks of smooth, pale stone. They stood motionless, a gallery of watchers, heads tilted at identical angles. One stepped forward. It moved like a marionette with cut strings—jerky, wrong, joints bending backward. It raised a hand, not the root-fingers from the ground, but something slender and elegant, and beckoned. The pendant burned. Aurora clutched it, the silver chain biting into her palm, the crimson stone pulsing in counter-rhythm to the thing’s approach. She thought of Eva, of Silas, of the flat with its thin walls and familiar creaks. She thought of Evan, and how she’d learned that running was sometimes the only rational choice. Her pre-law training failed her; this was not a contract to be negotiated, not a tort to be litigated. This was older than law. Older than Cardiff. Older than the standing stones. The creature was close now. She could smell it—petrichor and decay, the scent of a grave opened after rain. It reached out, and Aurora saw that its fingers were too long, the joints clicking like knitting needles. She ran. Her boots found the ash-path, but the Grove had shifted. The standing stones were nowhere in sight. The trees closed behind her, their branches weaving together to form a tunnel that breathed, that pulsed with the same rhythm as the Heartstone. She ran faster, her lungs burning, the pendant hammering against her chest like a second heart demanding to be let out. Behind her, the breathing synchronized with her footsteps. Not following. Matching. Aurora burst back into the clearing—or what she thought was the clearing—and found herself standing before the standing stones again. The boundary. Safety. She collapsed against the granite, her fingers scrabbling for her phone, for light, for proof that she had been gone, that time had passed, that she was still Aurora Carter, twenty-five years old, from Cardiff, with a scar on her wrist and a delivery shift to finish in the morning. Her phone screen showed 12:04 AM. She had been running for an hour. The Heartstone Pendant pulsed once, twice, a heartbeat against her skin. In the reflection of the dark screen, behind her, something tall and thin stood among the oaks, watching, waiting, wearing her face or something like it. Aurora Carter, cool-headed and quick-thinking, closed her eyes and began to count her breaths. One. Two. Three. The breathing behind her counted with her. Four.
created_at"2026-10-07T09:39:22.322Z" 10/7/2026, 9:39:22 AM
model"mistralai/mistral-large-4-0-20261006"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency722
moderation_latency(null)
generation_time100712
tokens_prompt792
tokens_completion6671
native_tokens_prompt755
native_tokens_completion6184
native_tokens_completion_images(null)
native_tokens_reasoning4657
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"
usage0.01343796
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791365962-GLZFYNaDLMv6fxHZPhdJ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791365962-Hg5wyfXE0j4MzcUXo2xz"
upstream_id"8a55f689f3d043599044d7cae09710d7"
provider_responses
0
endpoint_id"19b3b5d7-23f6-4b63-8109-64a6cc37d996"
id"8a55f689f3d043599044d7cae09710d7"
is_byokfalse
latency687
model_permaslug"mistralai/mistral-large-4-0-20261006"
provider_name"Mistral"
status200
total_cost0.01343796
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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1319
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
31.77% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1319
totalAiIsms18
found
0
word"chill"
count2
1
word"pulse"
count1
2
word"beacon"
count1
3
word"silence"
count2
4
word"searing"
count1
5
word"pulsed"
count3
6
word"warmth"
count1
7
word"familiar"
count2
8
word"velvet"
count1
9
word"porcelain"
count1
10
word"grave"
count1
11
word"synchronized"
count1
12
word"footsteps"
count1
highlights
0"chill"
1"pulse"
2"beacon"
3"silence"
4"searing"
5"pulsed"
6"warmth"
7"familiar"
8"velvet"
9"porcelain"
10"grave"
11"synchronized"
12"footsteps"
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
narrationSentences112
matches(empty)
91.84% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount4
narrationSentences112
filterMatches(empty)
hedgeMatches
0"seemed to"
1"tried to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences112
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen51
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1304
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
95.74% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions49
wordCount1290
uniqueNames21
maxNameDensity1.09
worstName"Aurora"
maxWindowNameDensity1.5
worstWindowName"Aurora"
discoveredNames
Heartstone5
Pendant2
Aurora14
Richmond2
Park2
London2
Yu-Fei1
Golden1
Empress1
November1
Szechuan1
Evan2
Cardiff3
Grove3
Earth1
Fae1
Morse1
Hel1
Eva2
Silas1
Carter2
persons
0"Heartstone"
1"Pendant"
2"Aurora"
3"November"
4"Evan"
5"Grove"
6"Eva"
7"Silas"
8"Carter"
places
0"Richmond"
1"Park"
2"London"
3"Yu-Fei"
4"Cardiff"
globalScore0.957
windowScore1
76.47% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences68
glossingSentenceCount2
matches
0"felt like packed ash"
1"something like it"
0.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches4
per1kWords3.067
wordCount1304
matches
0"not to Yu-Fei’s Golden Empress, nor to the flat above Silas’ bar, but to a coordinate"
1"not violent but wrong"
2"not with force but with terrible gentleness"
3"not the root-fingers from the ground, but something slender"
0.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount6
totalSentences112
matches
0"explain that she"
1"learned that running"
2"saw that its"
3"breathed, that pulsed"
4"gone, that time passed, that she"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs33
mean39.52
std31.43
cv0.795
sampleLengths
060
1110
283
34
449
591
627
740
83
993
1048
117
1248
1313
1444
1518
1664
1751
1872
193
2029
2187
2237
232
2462
2511
2673
276
287
2937
3017
317
321
99.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences112
matches
0"been, drawn"
1"been gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs214
matches
0"was having"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount15
semicolonCount3
flaggedSentences14
totalSentences112
ratio0.125
matches
0"She had come because the pendant had started screaming three days ago—a silent vibration that rattled her teeth, a heat that burned through the silver chain and her fleece jacket."
1"Aurora adjusted the strap of her messenger bag—still smelling of Szechuan pepper and cardboard—and stepped over the threshold."
2"The transition was not violent but wrong—a pressure change, like diving deep underwater, though her ears remained clear."
3"The path beneath her boots—trainers scuffed from ten thousand deliveries across London—should have been mud, but felt like packed ash."
4"It pulsed in a pattern—three quick beats, a pause, two slow throbs—Morse code for help me, or perhaps run."
5"The pendant’s warmth spiked, and Aurora felt the familiar vertigo of temporal displacement—the knowledge, cellular and certain, that she had stepped into a place where an hour might be a day, or a minute a decade."
6"It came from her left—wet, labored, the respiration of something with too many lungs or none at all."
7"Her breath clouded in the air, white and real, but the temperature was wrong; the Grove held the chill of deep winter despite the blooming flowers."
8"The sound didn’t carry; it died at her lips, swallowed by the velvet silence."
9"Not wilting—recoiling."
10"It moved like a marionette with cut strings—jerky, wrong, joints bending backward."
11"Her pre-law training failed her; this was not a contract to be negotiated, not a tort to be litigated."
12"She could smell it—petrichor and decay, the scent of a grave opened after rain."
13"Aurora burst back into the clearing—or what she thought was the clearing—and found herself standing before the standing stones again."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount119
adjectiveStacks1
stackExamples
0"lay heavy against Aurora’s"
adverbCount2
adverbRatio0.01680672268907563
lyAdverbCount0
lyAdverbRatio0
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
mean11.64
std9.64
cv0.828
sampleLengths
024
124
21
311
430
539
615
726
818
923
1021
1121
124
1318
146
155
163
178
189
192
2020
2122
2226
2321
243
2516
262
276
283
2913
305
3119
323
3311
3424
3519
363
3736
383
3935
4010
417
4218
432
4426
452
461
4712
483
494
53.57% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.375
totalSentences112
uniqueOpeners42
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences93
matches
0"Only silence, dense and velvety,"
1"Instead, she walked forward, her"
2"Only the dark between the"
3"Then behind her."
4"Always at the edge."
ratio0.054
78.06% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount33
totalSentences93
matches
0"She stood at the edge"
1"She had come because the"
2"She’d ignored it then, blaming"
3"She rubbed it absently, a"
4"They swayed without wind, their"
5"Her phone buzzed."
6"She fished it from her"
7"She’d been walking for two"
8"It pulsed in a pattern—three"
9"She looked up."
10"She should leave."
11"Her pre-law mind, trained to"
12"It came from her left—wet,"
13"Her breath clouded in the"
14"It circled, a sound without"
15"Her voice cracked"
16"Their petals folded inward, one"
17"She looked down."
18"Her foot passed through it,"
19"She screamed, the sound finally"
ratio0.355
62.15% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount74
totalSentences93
matches
0"The chain of the Heartstone"
1"She stood at the edge"
2"The hour when even London’s"
3"She had come because the"
4"The delivery app on her"
5"She’d ignored it then, blaming"
6"Aurora adjusted the strap of"
7"The standing stones marked the"
8"She rubbed it absently, a"
9"The Grove swallowed her."
10"The transition was not violent"
11"The sounds of the city"
12"The path beneath her boots—trainers"
13"Wildflowers bloomed here year-round, a"
14"Bluebells and foxgloves and winter"
15"They swayed without wind, their"
16"Her phone buzzed."
17"She fished it from her"
18"She’d been walking for two"
19"The Heartstone flared."
ratio0.796
53.76% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences93
matches
0"Now to her right."
ratio0.011
15.31% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences56
technicalSentenceCount10
matches
0"The chain of the Heartstone Pendant lay heavy against Aurora’s sternum, the crimson stone pulsing in arrhythmic thumps that matched nothing in her chest."
1"She had come because the pendant had started screaming three days ago—a silent vibration that rattled her teeth, a heat that burned through the silver chain and…"
2"The standing stones marked the boundary, rough granite teeth jutting from the earth, draped in moss that glowed faintly silver in the moonlight."
3"On her left wrist, the crescent scar tingled, a phantom itch from the childhood accident that had nearly severed the tendon."
4"Bluebells and foxgloves and winter aconites crowded the undergrowth, their petals bruised purple and black, their centers weeping a sap that looked too much lik…"
5"They swayed without wind, their stems bending in a direction that made Aurora’s eyes water when she tried to track them."
6"Shadows detaching from the oak trunks, standing upright, watching with eyes that reflected no moonlight."
7"Aurora spun, her breath coming in ragged gasps, her logical mind shattering like porcelain."
8"The trees closed behind her, their branches weaving together to form a tunnel that breathed, that pulsed with the same rhythm as the Heartstone."
9"She ran faster, her lungs burning, the pendant hammering against her chest like a second heart demanding to be let out."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
78.3888%