Run: 2026-03-12-01KKHZ6MJFTPJC84ZWYRMBE8J9

Run Details

Duration:
13.4s
Cost:
$0.012922
Provider:
xAI

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 moon hung low and bloated over Richmond Park, its silver light slicing through the bare branches like a blade. Aurora Carter pulled her jacket tighter around her shoulders, the leather creaking softly with each step. The Heartstone Pendant rested against her sternum, its faint warmth a small, insistent pressure she couldn’t ignore. She had come here for answers, drawn by the pendant’s insistent pulsing and the cryptic note slipped under her door two nights ago: *Isolde’s grove. Midnight. The truth waits where time forgets.* She should have told someone. Eva. Silas. Anyone. Instead she had slipped out of her flat above the bar like a thief, heart hammering with the same reckless certainty that had once driven her from Cardiff and Evan’s fists. The air tasted wrong the moment she crossed the invisible line between the ordinary trees and the ancient oaks. Thicker. Sweeter. Like breathing through a mouthful of crushed petals. The wildflowers—impossible bluebells and foxgloves that should have died months ago—swayed though there was no wind. Their stems whispered against one another in dry, secret conversation. Aurora’s torch beam cut a trembling white circle across the ground. She kept it low, wary of drawing attention. The pendant grew warmer, almost hot now, its crimson core flickering like a heartbeat against her skin. The standing stones appeared gradually, as though they had been waiting for her to earn the right to see them. Tall, moss-covered sentinels arranged in a loose circle that felt less like ruins and more like teeth. Between them the air shimmered faintly, the way heat rose from summer tarmac. She hesitated at the threshold, boots sinking into grass that was too soft, too alive. “This is stupid,” she whispered. The words sounded borrowed, as if someone else had spoken them through her mouth. She stepped inside anyway. The change was immediate and total. The distant hum of London traffic vanished. The temperature dropped several degrees. Even the quality of moonlight altered, taking on a sickly pearlescent sheen that made her shadow look too long, too thin. The pendant flared once, bright enough to cast red light across the undersides of the leaves overhead, then settled back to its steady, worrying pulse. Aurora turned in a slow circle. The clearing was smaller than it had appeared from outside—barely twenty paces across. At its center stood a single oak, ancient and massive, its trunk split down the middle as though lightning had tried to tear it apart centuries ago and failed. Something glistened inside the hollow. She approached carefully, boots making no sound on the carpet of petals that coated the ground. The object inside the tree was a mirror. Not a mirror. A reflection that moved half a second too late. She froze. In the polished surface she saw herself—same straight black hair falling to her shoulders, same bright blue eyes wide with unease—but the woman staring back had a small crescent scar on her *right* wrist. Aurora glanced down at her own left wrist where the familiar mark from childhood sat pale against her skin. When she looked up again, the reflection’s scar had migrated back to the correct side. A branch snapped behind her. She whirled, torch beam slashing through the darkness. Nothing. Only the standing stones and the impossible flowers nodding gently, as though agreeing with some private joke. Her breathing sounded too loud in the unnatural silence. She told herself it was just an animal. A fox. A deer. London parks had plenty of both. But the certainty that she was not alone settled over her shoulders like a wet coat, growing heavier with every passing minute. The pendant burned now, a steady heat that bordered on pain. She pressed her palm against it through her shirt, feeling the metal throb in time with her own racing pulse. Another sound reached her—soft, wet, like bare feet on damp stone. It came from somewhere to her left, near the largest standing stone. She swept the torch that way. The beam trembled. The flowers there were crushed, their delicate petals ground into the soil. A trail led away from the stone toward the center of the clearing, toward her. The trail hadn’t been there moments ago. Aurora backed up until her shoulders met the oak’s rough bark. The mirror-surface within the split trunk rippled like water. Her reflection smiled at her, though she was certain her own face remained frozen. She closed her eyes. When she opened them again, the reflection was gone. Only darkness stared back from the hollow. The wet footstep sounds returned, closer now. Accompanied by something else—a low humming that seemed to come from inside her own skull. Not quite a voice. Not quite music. The sound of something trying to remember how to speak. She risked a glance at her watch. The hands had stopped at 12:03. She had entered the grove at midnight. How long had she been standing here? A breeze stirred the flowers, carrying with it the faint scent of her mother’s perfume—jasmine and something metallic underneath. Jennifer Carter had been dead for six years. Aurora’s stomach tightened. She forced herself to move, skirting around the oak toward the gap between two standing stones where she had entered. The path that should have led back to Richmond Park was no longer there. Instead the trees pressed closer together, their branches knitting into an impenetrable wall. The wildflowers had grown taller, their stalks now reaching her waist, tugging at her jeans with small, insistent fingers. The humming in her head grew louder, separating into something almost like words. *...left us...* She spun around, torch cutting wild arcs. *...come back...* The voice—if it was a voice—sounded like layers of herself speaking at once. Her own accent, but stretched and thinned, as though filtered through water. Something moved at the edge of her vision, a pale shape flitting between the stones. When she turned the torch toward it, there was only empty air and flowers that had definitely not been that shade of bruised purple a moment ago. Her scar itched. She rubbed her left wrist without thinking, feeling the raised tissue beneath her fingertips. The pendant was nearly scalding now. She considered ripping it off, but the moment her fingers brushed the silver chain, a wave of vertigo crashed over her. The clearing tilted. For a terrible second she saw two versions of the grove laid over one another—one bathed in moonlight, the other in pitch darkness where the flowers had teeth. She staggered, catching herself against a standing stone. The moss felt warm. Pulsing. Like skin. The humming resolved into something clearer. *You left us bleeding in the dark, Rory.* She jerked her hand away from the stone as though burned. The voice had come from everywhere and nowhere. It used Eva’s nickname for her. The one she had only ever used in their childhood letters. Another footstep. Much closer. This time when she whipped around, she caught the briefest glimpse of something tall and thin standing just beyond the torchlight. It had her face. Or almost had her face. The eyes were wrong—too large, too black, like holes punched through paper. It raised one hand in a slow wave. The crescent scar on its left wrist was bleeding. Aurora’s own scar throbbed in sympathy. She ran. There was no strategy, no clever plan. Just raw animal panic that sent her sprinting toward what she desperately hoped was the way out. The flowers whipped at her legs, leaving thin cuts that stung like paper slices. Behind her, wet footsteps followed at a leisurely pace, unhurried. The thing that wore her face didn’t need to rush. Time here belonged to it. She crashed through a gap between two stones and found herself back in the center of the grove, facing the split oak again. The mirror inside the trunk now showed an empty clearing. As though she had never been there at all. The pendant flared so brightly she cried out, red light spilling between her fingers like blood. The footsteps stopped directly behind her. Aurora didn’t turn. She couldn’t. Some deep instinct warned her that looking would make it real in a way she couldn’t undo. Instead she stared at the mirror. In its depths, her reflection finally moved in perfect synchrony with her. It pressed one finger to its lips in a shushing gesture. Then it smiled with too many teeth. A breath brushed the back of her neck. It smelled of jasmine and iron. *We waited so long for you to come home.* The voice was directly in her ear now, intimate as a lover. It sounded almost exactly like her own. Aurora’s hand closed around the pendant. The metal was so hot it blistered her palm, but she didn’t let go. The pain felt like the only real thing left in the world. She whispered, voice shaking only slightly, “I don’t know who you are.” A soft laugh answered her. The sound of flowers being crushed underfoot. *Yes you do. You’ve always known.* The torch slipped from her numb fingers and went out. For a long moment there was only darkness and the sound of her own ragged breathing. Then, slowly, the wildflowers began to glow with their own soft bioluminescence. Thousands of tiny lights like corpse candles, revealing the standing stones in a new, terrible clarity. They were closer than before. Much closer. And they had moved to form a perfect circle around her and the oak. Aurora Carter stood very still in the center of Isolde’s grove, the Heartstone Pendant blazing against her chest like a second, furious heart. She could feel the thing that wore her face standing directly behind her now, close enough that its presence pressed against her back like cold water. The mirror in the oak showed the truth at last. There were two Auroras in the clearing. One of them was smiling. She closed her eyes and waited for the moment when she would no longer be able to tell which one she was. The pendant’s heat traveled up her arm, into her chest, wrapping around her heart like fingers made of fire and memory. Somewhere far away, in a world where time still moved in straight lines, the bells of a distant church began to toll one o’clock. The sound reached her as though traveling down a very long tunnel. It was the last thing she heard before the grove swallowed the rest of the night.
created_at"2026-03-12T21:28:20.308Z" 3/12/2026, 9:28:20 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency373
moderation_latency(null)
generation_time13292
tokens_prompt812
tokens_completion2712
native_tokens_prompt841
native_tokens_completion2123
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached832
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"completed"
usage0.0129224
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"ac77eef9-2a5c-7e93-fa0d-59eb24610de0"
is_byokfalse
latency372
model_permaslug"x-ai/grok-4.20-beta-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773350900-XGgdq0wjB56jlp1hafsF"
upstream_id"ac77eef9-2a5c-7e93-fa0d-59eb24610de0"
total_cost0.0129224
cache_discount0.0014976
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences2
tagDensity1
leniency1
rawRatio0
effectiveRatio0
80.15% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1763
totalAiIsmAdverbs7
found
0
adverb"softly"
count1
1
adverb"carefully"
count1
2
adverb"gently"
count1
3
adverb"slightly"
count1
4
adverb"slowly"
count1
5
adverb"very"
count2
highlights
0"softly"
1"carefully"
2"gently"
3"slightly"
4"slowly"
5"very"
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)
43.28% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1763
totalAiIsms20
found
0
word"warmth"
count1
1
word"sentinels"
count1
2
word"shimmered"
count1
3
word"pulse"
count2
4
word"familiar"
count1
5
word"silence"
count1
6
word"throb"
count1
7
word"racing"
count1
8
word"trembled"
count1
9
word"stomach"
count1
10
word"resolved"
count1
11
word"throbbed"
count1
12
word"footsteps"
count2
13
word"depths"
count1
14
word"perfect"
count2
15
word"could feel"
count1
16
word"the last thing"
count1
highlights
0"warmth"
1"sentinels"
2"shimmered"
3"pulse"
4"familiar"
5"silence"
6"throb"
7"racing"
8"trembled"
9"stomach"
10"resolved"
11"throbbed"
12"footsteps"
13"depths"
14"perfect"
15"could feel"
16"the last thing"
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
emotionTells2
narrationSentences167
matches
0"e with unease"
1"d in sympathy"
91.53% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount4
narrationSentences167
filterMatches
0"look"
1"watch"
hedgeMatches
0"tried to"
1"seemed to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences167
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen36
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans7
markdownWords37
totalWords1751
ratio0.021
matches
0"Isolde’s grove. Midnight. The truth waits where time forgets."
1"right"
2"...left us..."
3"...come back..."
4"You left us bleeding in the dark, Rory."
5"We waited so long for you to come home."
6"Yes you do. You’ve always known."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions30
wordCount1742
uniqueNames12
maxNameDensity0.57
worstName"Aurora"
maxWindowNameDensity1
worstWindowName"Aurora"
discoveredNames
Richmond2
Park2
Carter3
Heartstone2
Pendant2
Cardiff1
Evan1
London2
Eva2
Isolde2
Auroras1
Aurora10
persons
0"Carter"
1"Pendant"
2"Evan"
3"Eva"
4"Isolde"
5"Aurora"
places
0"Richmond"
1"Park"
2"Cardiff"
3"London"
globalScore1
windowScore1
49.19% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences124
glossingSentenceCount5
matches
0"as though agreeing with some private joke"
1"humming that seemed to come from inside her own skull"
2"sounded like layers of herself speaking at"
3"felt like the only real thing left in t"
4"as though traveling down a very long tunnel"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1751
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences167
matches
0"been that shade"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs67
mean26.13
std21.52
cv0.824
sampleLengths
085
139
255
336
465
519
64
764
869
98
1012
112
1268
135
1426
159
1640
1731
1832
1934
2034
2120
2239
2327
2427
253
2666
2713
282
297
302
3125
3242
333
3472
3515
366
378
3836
394
4059
416
422
4363
4442
4516
466
4722
4836
4914
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences167
matches
0"were crushed"
1"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs283
matches
0"was nearly scalding"
1"was bleeding"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount12
semicolonCount0
flaggedSentences9
totalSentences167
ratio0.054
matches
0"The wildflowers—impossible bluebells and foxgloves that should have died months ago—swayed though there was no wind."
1"The clearing was smaller than it had appeared from outside—barely twenty paces across."
2"In the polished surface she saw herself—same straight black hair falling to her shoulders, same bright blue eyes wide with unease—but the woman staring back had a small crescent scar on her *right* wrist."
3"Another sound reached her—soft, wet, like bare feet on damp stone."
4"Accompanied by something else—a low humming that seemed to come from inside her own skull."
5"A breeze stirred the flowers, carrying with it the faint scent of her mother’s perfume—jasmine and something metallic underneath."
6"The voice—if it was a voice—sounded like layers of herself speaking at once."
7"For a terrible second she saw two versions of the grove laid over one another—one bathed in moonlight, the other in pitch darkness where the flowers had teeth."
8"The eyes were wrong—too large, too black, like holes punched through paper."
65.68% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1756
adjectiveStacks3
stackExamples
0"Tall, moss-covered sentinels"
1"same straight black hair"
2"alone settled over her"
adverbCount103
adverbRatio0.058656036446469245
lyAdverbCount26
lyAdverbRatio0.014806378132118452
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences167
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences167
mean10.49
std7
cv0.667
sampleLengths
020
116
217
325
41
56
65
71
81
91
1031
1119
121
131
148
1516
1610
1711
188
1917
2020
2117
2213
2315
245
2514
264
276
287
295
3021
3125
326
3313
3429
355
3616
378
383
399
402
4134
4219
4315
445
458
461
4717
489
498
47.50% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.31736526946107785
totalSentences167
uniqueOpeners53
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount10
totalSentences147
matches
0"Instead she had slipped out"
1"Even the quality of moonlight"
2"Only the standing stones and"
3"Only darkness stared back from"
4"Instead the trees pressed closer"
5"Just raw animal panic that"
6"Instead she stared at the"
7"Then it smiled with too"
8"Then, slowly, the wildflowers began"
9"Somewhere far away, in a"
ratio0.068
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount40
totalSentences147
matches
0"She had come here for"
1"She should have told someone."
2"Their stems whispered against one"
3"She kept it low, wary"
4"She hesitated at the threshold,"
5"She stepped inside anyway."
6"She approached carefully, boots making"
7"She whirled, torch beam slashing"
8"Her breathing sounded too loud"
9"She told herself it was"
10"She pressed her palm against"
11"It came from somewhere to"
12"She swept the torch that"
13"Her reflection smiled at her,"
14"She closed her eyes."
15"She risked a glance at"
16"She had entered the grove"
17"She forced herself to move,"
18"She spun around, torch cutting"
19"Her own accent, but stretched"
ratio0.272
85.85% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount110
totalSentences147
matches
0"The moon hung low and"
1"Aurora Carter pulled her jacket"
2"The Heartstone Pendant rested against"
3"She had come here for"
4"The truth waits where time"
5"She should have told someone."
6"The air tasted wrong the"
7"The wildflowers—impossible bluebells and foxgloves"
8"Their stems whispered against one"
9"Aurora’s torch beam cut a"
10"She kept it low, wary"
11"The pendant grew warmer, almost"
12"The standing stones appeared gradually,"
13"She hesitated at the threshold,"
14"The words sounded borrowed, as"
15"She stepped inside anyway."
16"The change was immediate and"
17"The distant hum of London"
18"The temperature dropped several degrees."
19"The pendant flared once, bright"
ratio0.748
34.01% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences147
matches
0"As though she had never"
ratio0.007
34.36% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences79
technicalSentenceCount12
matches
0"Instead she had slipped out of her flat above the bar like a thief, heart hammering with the same reckless certainty that had once driven her from Cardiff and E…"
1"The wildflowers—impossible bluebells and foxgloves that should have died months ago—swayed though there was no wind."
2"Tall, moss-covered sentinels arranged in a loose circle that felt less like ruins and more like teeth."
3"She hesitated at the threshold, boots sinking into grass that was too soft, too alive."
4"Even the quality of moonlight altered, taking on a sickly pearlescent sheen that made her shadow look too long, too thin."
5"At its center stood a single oak, ancient and massive, its trunk split down the middle as though lightning had tried to tear it apart centuries ago and failed."
6"Only the standing stones and the impossible flowers nodding gently, as though agreeing with some private joke."
7"Accompanied by something else—a low humming that seemed to come from inside her own skull."
8"The wildflowers had grown taller, their stalks now reaching her waist, tugging at her jeans with small, insistent fingers."
9"Just raw animal panic that sent her sprinting toward what she desperately hoped was the way out."
10"She could feel the thing that wore her face standing directly behind her now, close enough that its presence pressed against her back like cold water."
11"The sound reached her as though traveling down a very long tunnel."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount1
matches
0"She whispered, voice shaking only slightly,"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount2
fancyTags
0"she whispered (whisper)"
1"She whispered (whisper)"
dialogueSentences2
tagDensity1
leniency1
rawRatio1
effectiveRatio1
77.7185%