Run: 2026-03-18-01KM09X66DXRKBZAN0JGP40EZK

Run Details

Duration:
21.1s
Cost:
$0.001332
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
Rory stepped through the archway of standing stones and into the grove. The air smelled wrong before she took another breath—thick, as though dipped in syrup. Like the time she’d sliced her finger open gutting pigeon for Eva’s pa’s restaurant and the scent of blood had coated her throat for hours. Only here it wasn’t copper, wasn’t warm. It was cold and green and old, like wet moss left to fester in the dark. The standing stones groaned behind her—not with wind, not with any natural sound she recognised. It was the sound of stone shifting, reluctantly, like a throat trying to swallow when it shouldn’t have to. She was still wearing her delivery jacket, the Golden Empress logo still pinned to her breast, the denim dark with kitchen grease in places. She hadn’t even had time to tie her hair back. Now it hung loose, black as a raven’s wing, catching the dim glow that shouldn’t have existed. No moon swung overhead in Richmond Park tonight. No streetlamps. No light from hovering neons or passing cars. Just a sulphurous half-twilight, the hue of bruises. The grove wasn’t supposed to be like this. She checked the pendant beneath her collar—the Heartstone. A warning pulse, faint but insistent, its crimson warmth throbbing once against her sternum like a misfiring heart. Normally it glowed like poker-red gem held to candlelight. Now it flickered, barely there, as though fighting against a current it couldn’t name. She clenched her fists. “Okay,” she said aloud. Her voice sounded muffled, as if the trees lining the clearing had leaned in to listen. “You wanted to find the source. You wanted to—” A twig snapped. Not behind her. Not to her sides. Straight ahead, past the first ring of oaks. She hadn’t passed any on her way in. The path had been clear. Now something stood between the trunks, something dark and hunched. It didn’t move when she did, didn’t flinch when she froze. It simply waited. Rory exhaled through her nose. She unzipped her jacket just enough to let the pendant fall free. The chain snagged on her hoodie for a second before it swung into view. The Heartstone pulsed again, sharper this time, like a finger jabbing her ribs from the inside. She took a step forward. The ground beneath her trainers was wrong. Too soft. Too spongy. When she lifted her foot, the earth clung like wet clay, and a sound rose from below—wet, leathery, like something breathing through a mask of mucus. She jammed her foot down harder. The sucking stopped. Whatever had been exhaling through the dirt had gone silent. Another step. The air thickened. The grove’s edges blurred, as if the trees were melting back into a memory. The standing stones behind her had begun to sway, their tops bending inland like reeds before a tide. Not swaying—leaning. Bowing. As if the whole sky were pressing down on them. She forced herself to walk. The hunchbacked silhouette remained stationary. Its posture was impossible—too many joints, too many angles, its spine curving in directions a human spine shouldn’t. It wore a cloak, but the fabric didn’t flutter. It clung, dark and damp, to something underneath. Rory couldn’t see what. She reached into the side pocket of her cargo pants and closed her fingers around the box cutter she always carried. Not much, but enough to make her feel armed. “Who’s there?” she asked. The figure tilted its head. The motion was too smooth, too precise, like a compass needle locking onto north. Then it spoke. Not in words. Not in English, or Welsh, or any human tongue. It emitted a sound like a struck tuning fork vibrating through water. The frequencies rippled inside her skull, rearranging thoughts. For a heartbeat she saw the grove differently—the oaks weren’t trees at all. They were ribcages splayed open, their bark peeled back like skin. She smelled iron then, hot and fresh, dripping from the fissures. The pendant flared scarlet. Rory stumbled, the blade of the box cutter biting into her palm. She welcomed the pain. Pain was human. Pain was solid. She amplified it by clenching harder, letting a thin line of bloodwell down her wrist. The crimson streak caught the grove’s sickly light and for a second the air above her own blood seemed to writhe, as though the droplets were dangling from invisible threads being pulled by something beneath the soil. The hunchback lunged. It wasn’t running. It was unfolding, limbs lengthening like accordion pleats, its cloak dissolving into the dark so that she glimpsed only an expanse of moss-green skin stippled with what looked like lichen or possibly old scars. Its face was a smooth oval, featureless except for a vertical slit where a mouth should be, and two deeper slashes for eyes that were entirely black—pupil, iris, sclera all merged into a void that absorbed the light. It moved faster than she could track. One instant it was twenty paces away; the next it was inches from her face, its breath rolling over her like rotting seaweed. The smell filled her lungs and her vision narrowed to a tunnel. She swung the box cutter in a desperate arc. The blade met resistance. Not flesh. Not bone. Something denser, colder, like striking a pane of ice. White cracks spiderwebbed beneath the surface of its torso, but the cuts didn’t bleed. Instead the cracks pulsed with a faint bioluminescence, cold blue veins spreading from the wound. The thing hissed—a sound like steam through a blocked pipe—and recoiled half a step. Rory didn’t wait. She bolted for the nearest oak, ducked behind its trunk, and pressed her back against the bark. The heartbeat in her wrist now matched the pendant’s rhythm, frantic and syncopated. She risked a glance around the bole. The hunchback hadn’t followed. It stood exactly where she’d seen it first, still bent at that impossible angle, its cloak already half-knitted back into place. The tear in its torso had sealed; the bioluminescence bled out into the surrounding air like milk spilled in water, leaving only a faint green glow hanging in the shape of its silhouette. But something else was moving behind it. Shapes detached themselves from the standing stones. Dozens. Dozens more hunchbacks, their sizes varying from child to giant, all emaciated, all draped in damp cloaks that clung to whatever skeletal frames supported them. They fanned out in a semicircle, their empty slits fixed on her. The air grew heavier, pressing her ribs, making it hard to draw breath. Rory’s fingertips went numb. She clutched the pendant, willing it to flare again. It did—briefly—projecting a crimson halo over her chest. The nearest creatures flinched, their cloaks twitching like startled cats. One at the fringes of the semicircle let out that same struck-fork shriek. The sound arched through the grove, bouncing off the unseen sky, and the entire circle of watchers rippled as though reality had hiccuped. She had maybe three seconds. Rory sprinted for the standing stones, the wrongness of the grove thrumming beneath her trainers like drums. She didn’t dare look back. She knew already what she’d see—the hunchbacks unfolding, lengthening, their limbs stretching impossibly long, their green-eyed voids closing the distance between them and her. Her fingertips brushed the first standing stone. Cold seeped into her bones. Not stone-cold—older. Older than stone. Older than Earth. She felt the years pressing back, an entire continent’s worth of silence screaming through her fingertips. The Heartstone blazed against her collarbone, a branding iron. Her vision pinched to a white point. Then the grove exhaled. The hunchbacks shrieked as one. The sound shattered not only in her ears but in her bones, rattling her teeth and filling her skull with static. The ground bucked. She was lifted off her feet, her delivery jacket flaring like a parachute behind her. She sailed between the stones, her stomach lurching as if she’d dropped several storeys. The last thing she saw before darkness swallowed her was the grove’s boundary waver, the oaks twisting into something vast and tooth-studded, and the standing stones themselves leaning toward each other like fangs about to close. She landed hard on cobblestones. Silas’ bar sign flickered above her: *The Crooked Billet*—wobbly, slightly askew. The streetlights of Camden were bright and human. A bin bag burst nearby, releasing the scent of fried onions and bubble-gum wrappers. Rory rolled onto her side, retching. The Heartstone had gone black, inert, its crimson glow snuffed out like a candle. She pushed herself up. Her trainers were caked in dark, fibrous mud that didn’t belong to any park in London. She spat once, twice, then scrubbed her sleeve across her mouth. Somewhere deep in the lining of her jacket, the box cutter was still clutched in her fist, the blade smeared with something green and iridescent that smelled of rust. She unzipped the pocket slowly, letting the blade clatter onto the pavement. It landed point-first and stuck. She stared at it for a long time. Behind her, the air over the pavement shimmered, rippling like heat haze over a grill. She didn’t turn around. The ripples settled. The night stayed quiet. She pulled her jacket tight, breathed in the reassuring stench of takeaway grease and diesel from the Holloway Road, and walked away without looking back.
created_at"2026-03-18T11:04:47.067Z" 3/18/2026, 11:04:47 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency377
moderation_latency(null)
generation_time21006
tokens_prompt812
tokens_completion2439
native_tokens_prompt776
native_tokens_completion2109
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached368
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.00133212
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"0a12c6c10a69426cad44ab34e231650d"
is_byokfalse
latency377
model_permaslug"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
provider_name"Mistral"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773831887-Z16OmEifBGEzEuThZNxs"
upstream_id"0a12c6c10a69426cad44ab34e231650d"
total_cost0.00133212
cache_discount0.00004968
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
0.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags2
adverbTagCount1
adverbTags
0"she said aloud [aloud]"
dialogueSentences3
tagDensity0.667
leniency1
rawRatio0.5
effectiveRatio0.5
90.42% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1565
totalAiIsmAdverbs3
found
0
adverb"reluctantly"
count1
1
adverb"slightly"
count1
2
adverb"slowly"
count1
highlights
0"reluctantly"
1"slightly"
2"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)
58.47% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1565
totalAiIsms13
found
0
word"pulse"
count1
1
word"warmth"
count1
2
word"flickered"
count2
3
word"pulsed"
count2
4
word"clenching"
count1
5
word"silence"
count1
6
word"shattered"
count1
7
word"stomach"
count1
8
word"lurching"
count1
9
word"the last thing"
count1
10
word"shimmered"
count1
highlights
0"pulse"
1"warmth"
2"flickered"
3"pulsed"
4"clenching"
5"silence"
6"shattered"
7"stomach"
8"lurching"
9"the last thing"
10"shimmered"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"clenched jaw/fists"
count1
highlights
0"clenched her fists"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences146
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences146
filterMatches
0"feel"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences148
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen39
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords3
totalWords1552
ratio0.002
matches
0"The Crooked Billet"
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
totalMentions24
wordCount1529
uniqueNames14
maxNameDensity0.52
worstName"Rory"
maxWindowNameDensity1
worstWindowName"Heartstone"
discoveredNames
Eva1
Golden1
Empress1
Richmond1
Park1
Heartstone4
English1
Welsh1
Earth1
Camden1
London1
Holloway1
Road1
Rory8
persons
0"Eva"
1"Heartstone"
2"Earth"
3"Rory"
places
0"Richmond"
1"Park"
2"English"
3"London"
4"Holloway"
5"Road"
globalScore1
windowScore1
96.81% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences94
glossingSentenceCount2
matches
0"as though fighting against a current it couldn’t name"
1"looked like lichen or possibly old scars"
71.13% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.289
wordCount1552
matches
0"Not much, but enough to make her feel armed"
1"not only in her ears but in her bones, rattling her teeth"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences148
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs44
mean35.27
std26.96
cv0.764
sampleLengths
012
196
277
38
449
533
63
752
847
95
1056
1150
125
1344
1430
154
1619
173
1867
194
2074
213
2275
2351
2460
2540
2658
277
2858
2967
305
3146
327
3345
344
3594
365
3753
3831
3929
4025
4119
427
4325
98.05% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences146
matches
0"being pulled"
1"was lifted"
2"were caked"
96.64% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs258
matches
0"was still wearing"
1"were pressing"
2"were dangling"
3"wasn’t running"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount13
semicolonCount2
flaggedSentences13
totalSentences148
ratio0.088
matches
0"The air smelled wrong before she took another breath—thick, as though dipped in syrup."
1"The standing stones groaned behind her—not with wind, not with any natural sound she recognised."
2"She checked the pendant beneath her collar—the Heartstone."
3"When she lifted her foot, the earth clung like wet clay, and a sound rose from below—wet, leathery, like something breathing through a mask of mucus."
4"Not swaying—leaning."
5"Its posture was impossible—too many joints, too many angles, its spine curving in directions a human spine shouldn’t."
6"For a heartbeat she saw the grove differently—the oaks weren’t trees at all."
7"Its face was a smooth oval, featureless except for a vertical slit where a mouth should be, and two deeper slashes for eyes that were entirely black—pupil, iris, sclera all merged into a void that absorbed the light."
8"One instant it was twenty paces away; the next it was inches from her face, its breath rolling over her like rotting seaweed."
9"The thing hissed—a sound like steam through a blocked pipe—and recoiled half a step."
10"The tear in its torso had sealed; the bioluminescence bled out into the surrounding air like milk spilled in water, leaving only a faint green glow hanging in the shape of its silhouette."
11"It did—briefly—projecting a crimson halo over her chest."
12"She knew already what she’d see—the hunchbacks unfolding, lengthening, their limbs stretching impossibly long, their green-eyed voids closing the distance between them and her."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1373
adjectiveStacks0
stackExamples(empty)
adverbCount54
adverbRatio0.03932993445010925
lyAdverbCount15
lyAdverbRatio0.010924981791697014
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences148
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences148
mean10.49
std7.81
cv0.745
sampleLengths
012
114
225
37
416
515
619
724
810
917
108
112
128
138
148
158
1618
179
1814
194
204
2116
229
233
243
254
268
278
285
2910
3011
313
325
3312
3414
3516
365
377
382
392
4026
416
423
4310
442
453
4614
4718
482
491
34.46% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats23
diversityRatio0.2702702702702703
totalSentences148
uniqueOpeners40
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount7
totalSentences135
matches
0"Only here it wasn’t copper,"
1"Just a sulphurous half-twilight, the"
2"Normally it glowed like poker-red"
3"Then it spoke."
4"Instead the cracks pulsed with"
5"Then the grove exhaled."
6"Somewhere deep in the lining"
ratio0.052
65.93% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount52
totalSentences135
matches
0"It was cold and green"
1"It was the sound of"
2"She was still wearing her"
3"She hadn’t even had time"
4"She checked the pendant beneath"
5"She clenched her fists."
6"she said aloud"
7"Her voice sounded muffled, as"
8"She hadn’t passed any on"
9"It didn’t move when she"
10"It simply waited."
11"She unzipped her jacket just"
12"She took a step forward."
13"She jammed her foot down"
14"She forced herself to walk."
15"Its posture was impossible—too many"
16"It wore a cloak, but"
17"It clung, dark and damp,"
18"She reached into the side"
19"It emitted a sound like"
ratio0.385
71.11% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount105
totalSentences135
matches
0"Rory stepped through the archway"
1"The air smelled wrong before"
2"It was cold and green"
3"The standing stones groaned behind"
4"It was the sound of"
5"She was still wearing her"
6"She hadn’t even had time"
7"The grove wasn’t supposed to"
8"She checked the pendant beneath"
9"A warning pulse, faint but"
10"She clenched her fists."
11"she said aloud"
12"Her voice sounded muffled, as"
13"A twig snapped."
14"She hadn’t passed any on"
15"The path had been clear."
16"It didn’t move when she"
17"It simply waited."
18"Rory exhaled through her nose."
19"She unzipped her jacket just"
ratio0.778
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount4
totalSentences135
matches
0"Now it hung loose, black"
1"Now it flickered, barely there,"
2"Now something stood between the"
3"As if the whole sky"
ratio0.03
34.63% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences66
technicalSentenceCount10
matches
0"Now it hung loose, black as a raven’s wing, catching the dim glow that shouldn’t have existed."
1"Now it flickered, barely there, as though fighting against a current it couldn’t name."
2"The crimson streak caught the grove’s sickly light and for a second the air above her own blood seemed to writhe, as though the droplets were dangling from invi…"
3"It was unfolding, limbs lengthening like accordion pleats, its cloak dissolving into the dark so that she glimpsed only an expanse of moss-green skin stippled w…"
4"Its face was a smooth oval, featureless except for a vertical slit where a mouth should be, and two deeper slashes for eyes that were entirely black—pupil, iris…"
5"Dozens more hunchbacks, their sizes varying from child to giant, all emaciated, all draped in damp cloaks that clung to whatever skeletal frames supported them."
6"The sound arched through the grove, bouncing off the unseen sky, and the entire circle of watchers rippled as though reality had hiccuped."
7"The sound shattered not only in her ears but in her bones, rattling her teeth and filling her skull with static."
8"She sailed between the stones, her stomach lurching as if she’d dropped several storeys."
9"Somewhere deep in the lining of her jacket, the box cutter was still clutched in her fist, the blade smeared with something green and iridescent that smelled of…"
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
totalTags2
fancyCount0
fancyTags(empty)
dialogueSentences3
tagDensity0.667
leniency1
rawRatio0
effectiveRatio0
83.9216%