Run: 2026-02-24-01KJ8V6CCBFSAS8HD8A3B5AAKJ

Run Details

Duration:
45.4s
Cost:
$0.033813
Provider:
Amazon Bedrock

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 text had said midnight. Rory checked her phone — 11:58 — and looked up at the tree line where Richmond Park swallowed the last of the ambient city glow. Behind her, the park's edge hummed with distant traffic and the orange bleed of streetlamps. Ahead, there was only dark. She pulled her jacket tighter and walked toward it anyway. The message had arrived that morning, slipped under the door of her flat while she slept. No envelope. Just a folded square of paper, cream-coloured, with her name written in ink that had a slight iridescent quality under direct light, like a beetle's shell. Inside, four words in the same hand: *The grove. Come midnight.* No signature. Nothing else. She should have ignored it. She knew she should have ignored it. But the Heartstone pendant had been warm against her sternum all day, the way it got sometimes — a low persistent pulse, like a second heartbeat sitting just outside her own rhythm — and that meant something. It always meant something. So here she was, alone, crossing wet grass in the dark with leaves beginning to turn overhead and the smell of autumn coming in cold off the Thames. The standing stones were barely visible until she was almost upon them. They rose at uneven intervals among the oak roots, dark and shoulder-height, arranged in an arc that the park's official maps didn't acknowledge. She'd been here once before, in daylight, and the stones had looked almost natural then — like something geological, easiest to explain away as glacial debris or an artist's installation. In daylight you could manage that. At midnight, with no one around for half a mile in any direction, the explanation didn't hold. She passed between two of the stones and felt the air change. Not dramatically. Not like a door opening or a cold wall walked through. Subtler than that — a pressure differential, barely perceptible, as though the atmosphere on this side of the stones had a different weight. She'd felt it before. She breathed through it and kept moving. The grove opened ahead of her. Wildflowers. She stopped. They were everywhere — low, pale-headed things scattered through the grass, catching what little light reached the clearing from the sky above. It had been October when she crossed the park. October in England meant bare mud and frost-singed grass, nothing blooming, nothing soft. But here the flowers grew as if it were May, unhurried and numerous, and the grass around them was a green so deep it was almost black in the dark. She stood still and listened. Wind in the oaks. Her own breathing. Somewhere far behind her, a car. And then — nothing. She couldn't explain nothing as a sound, but the absence of it had a quality, like a room after a door slams. The ambient noise of the park, the small nocturnal sounds of a living space, had simply stopped. No owls. No rustle of foxes. No creak of branches settling in the wind. The wind itself had stopped. The pendant pulsed. Rory pressed her hand flat against her chest without thinking, feeling the warmth of it through the fabric of her jacket. It was hotter than it had been all day. Not painfully so, but insistently — a heat with intention in it. She closed her fingers around it through the cloth and turned slowly, scanning the boundary of the clearing. The oaks stood enormous and indifferent. Between their trunks, shadow folded into more shadow. She was looking for the shape of a person, she realised. Her eyes kept searching for the outline of a standing figure, and they kept finding almost-shapes — the suggestion of a shoulder, the particular vertical of something upright, the way darkness collected in a tree hollow at a height that was exactly wrong for a tree hollow. Every time she stared directly at one of these almost-shapes, it resolved back into bark and shadow and nothing at all. Every time she let her gaze drift, the shapes came back. She'd read once that peripheral vision was better in darkness. More rods than cones at the edge of the visual field. She wished she hadn't remembered that. "Hello," she said. Her voice came out steadier than she felt. It landed in the clearing and didn't echo, which wasn't right — the oaks were close enough on all sides that there should have been some return of sound, some small repetition. Instead the word just ended. Silence. Then, from somewhere behind her and to the left, a sound. She spun. It had been small. A single soft impact — not quite a footstep, but the sound of weight transferring. The sound of something shifting its position. She stared into the dark between two oaks and the dark stared back without offering anything, and the pendant was hot enough now that she could feel it through her palm, through her jacket, definite and purposeful. Rory forced herself to breathe out slowly. She was not going to run. Running was how you lost your footing in the dark, how you fell, how you made noise and gave away your direction and stopped being able to hear what was around you. She counted to three under her breath and turned back to face the centre of the clearing. The wildflowers had changed. She was almost certain they had been evenly scattered before, a loose and natural distribution across the grass. Now they were gathered along a line — a narrow path of white blooms that hadn't been there a moment ago, beginning two feet ahead of her and curving away toward the far end of the clearing, where the oaks were densest and the dark was absolute. She looked down at her feet. There was a wildflower almost touching the toe of her shoe. The pendant pulsed again. Twice this time, irregular, off-beat. She'd never felt it do that before. In the trees at the end of the flower-path, something breathed. She was sure of it — not in the way she'd been almost-sure about the shapes, not a trick of rods and cones in the dark. A breath. Low and slow and patient. The breath of something that had been waiting for a long time and had learned to be comfortable with waiting. Rory wrapped her hand around the pendant, the silver chain biting into her palm through the cotton of her t-shirt, and made herself look directly at the dark between the trees. Nothing looked back. But the breathing didn't stop. She took one step forward and the wildflowers lit up. Just for a moment — less than a second — each bloom flaring with a cold, faint luminescence as if something below ground had flickered briefly alive. The light was gone before she could be certain she'd seen it, but she felt the afterimage of it, white and sharp, burned onto the back of her vision. The breathing had stopped now. Stopped the exact instant she'd moved. Whatever it was, it knew she'd heard it. Rory stood in the middle of Isolde's grove at two minutes past midnight, hand pressed to her sternum, and the thing that she recognised forming in her chest was not quite fear. Fear would have been cleaner. What she felt was the particular, concentrated wrongness of being observed by something that was in no hurry — something that was content to let her understand, slowly and thoroughly, that the clearing had been arranged for her arrival long before she'd arrived, and that she was precisely where it wanted her to be. She did not move. She did not call out again. She stood very still in the windless dark and breathed carefully and thought about every exit point she'd passed coming in, mapping them against the position of the almost-shapes between the trees. The flowers began to open. One by one, in the middle of the night, in October, as if it were a perfectly ordinary morning.
created_at"2026-02-24T22:09:25.907Z" 2/24/2026, 10:09:25 PM
model"anthropic/claude-4.6-sonnet-20260217"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1020
moderation_latency230
generation_time45101
tokens_prompt812
tokens_completion2259
native_tokens_prompt856
native_tokens_completion2083
native_tokens_completion_images(null)
native_tokens_reasoning292
native_tokens_cached0
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"
usage0.033813
router(null)
provider_responses
0
endpoint_id"83d802cb-44f2-45a0-a9d5-cb9bf79777c8"
id"9cfa39a6-cbaf-40be-bbcc-1d88bdc7c28b"
is_byokfalse
latency1019
model_permaslug"anthropic/claude-4.6-sonnet-20260217"
provider_name"Amazon Bedrock"
status200
api_type"completions"
id"gen-1771970965-kLunrKZBbiCSMwLbFLOV"
upstream_id"9cfa39a6-cbaf-40be-bbcc-1d88bdc7c28b"
total_cost0.033813
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
73.50% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1321
totalAiIsmAdverbs7
found
0
adverb"slowly"
count3
1
adverb"precisely"
count1
2
adverb"very"
count1
3
adverb"carefully"
count1
4
adverb"perfectly"
count1
highlights
0"slowly"
1"precisely"
2"very"
3"carefully"
4"perfectly"
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)
50.79% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1321
totalAiIsms13
found
0
word"pulse"
count1
1
word"weight"
count2
2
word"pulsed"
count2
3
word"warmth"
count1
4
word"scanning"
count1
5
word"resolved"
count1
6
word"echo"
count1
7
word"silence"
count1
8
word"could feel"
count1
9
word"comfortable"
count1
10
word"flickered"
count1
highlights
0"pulse"
1"weight"
2"pulsed"
3"warmth"
4"scanning"
5"resolved"
6"echo"
7"silence"
8"could feel"
9"comfortable"
10"flickered"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells1
narrationSentences104
matches
0"was content"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences104
filterMatches
0"look"
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences104
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen53
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords4
totalWords1338
ratio0.003
matches
0"The grove. Come midnight."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions15
wordCount1337
uniqueNames9
maxNameDensity0.37
worstName"Rory"
maxWindowNameDensity1
worstWindowName"October"
discoveredNames
Richmond1
Park1
Heartstone1
Thames1
October3
England1
May1
Isolde1
Rory5
persons
0"May"
1"Isolde"
2"Rory"
places
0"Richmond"
1"Park"
2"Thames"
3"October"
4"England"
globalScore1
windowScore1
77.54% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences69
glossingSentenceCount2
matches
0"not quite a footstep, but the sound of weight transferring"
1"not quite fear"
50.52% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.495
wordCount1338
matches
0"Not painfully so, but insistently"
1"not quite a footstep, but the sound of weight transferring"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences104
matches
0"arrived that morning"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs37
mean36.16
std29.42
cv0.813
sampleLengths
050
110
259
312
469
588
659
76
83
974
105
1170
125
133
1460
1514
1690
1727
183
1945
201
2113
2263
2362
244
2565
2617
2716
2864
2931
308
3166
3211
338
3491
3542
3624
95.14% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences104
matches
0"were gathered"
1"was gone"
2"being observed"
3"been arranged"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs196
matches
0"was looking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount17
semicolonCount0
flaggedSentences14
totalSentences104
ratio0.135
matches
0"Rory checked her phone — 11:58 — and looked up at the tree line where Richmond Park swallowed the last of the ambient city glow."
1"But the Heartstone pendant had been warm against her sternum all day, the way it got sometimes — a low persistent pulse, like a second heartbeat sitting just outside her own rhythm — and that meant something."
2"She'd been here once before, in daylight, and the stones had looked almost natural then — like something geological, easiest to explain away as glacial debris or an artist's installation."
3"Subtler than that — a pressure differential, barely perceptible, as though the atmosphere on this side of the stones had a different weight."
4"They were everywhere — low, pale-headed things scattered through the grass, catching what little light reached the clearing from the sky above."
5"And then — nothing."
6"Not painfully so, but insistently — a heat with intention in it."
7"Her eyes kept searching for the outline of a standing figure, and they kept finding almost-shapes — the suggestion of a shoulder, the particular vertical of something upright, the way darkness collected in a tree hollow at a height that was exactly wrong for a tree hollow."
8"It landed in the clearing and didn't echo, which wasn't right — the oaks were close enough on all sides that there should have been some return of sound, some small repetition."
9"A single soft impact — not quite a footstep, but the sound of weight transferring."
10"Now they were gathered along a line — a narrow path of white blooms that hadn't been there a moment ago, beginning two feet ahead of her and curving away toward the far end of the clearing, where the oaks were densest and the dark was absolute."
11"She was sure of it — not in the way she'd been almost-sure about the shapes, not a trick of rods and cones in the dark."
12"Just for a moment — less than a second — each bloom flaring with a cold, faint luminescence as if something below ground had flickered briefly alive."
13"What she felt was the particular, concentrated wrongness of being observed by something that was in no hurry — something that was content to let her understand, slowly and thoroughly, that the clearing had been arranged for her arrival long before she'd arrived, and that she was precisely where it wanted her to be."
88.21% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1330
adjectiveStacks1
stackExamples
0"low, pale-headed things"
adverbCount62
adverbRatio0.04661654135338346
lyAdverbCount19
lyAdverbRatio0.014285714285714285
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences104
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences104
mean12.87
std11.3
cv0.878
sampleLengths
05
125
215
35
410
516
62
726
89
94
102
115
127
1337
144
1528
1612
1723
1830
196
2017
2112
222
2311
2423
254
267
276
281
292
3022
319
3213
3330
345
354
363
376
384
3922
4017
412
424
438
445
453
4621
479
4812
4918
57.69% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.40384615384615385
totalSentences104
uniqueOpeners42
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences94
matches
0"Just a folded square of"
1"Somewhere far behind her, a"
2"Instead the word just ended."
3"Then, from somewhere behind her"
4"Twice this time, irregular, off-beat."
5"Just for a moment —"
ratio0.064
75.32% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount34
totalSentences94
matches
0"She pulled her jacket tighter"
1"She should have ignored it."
2"She knew she should have"
3"It always meant something."
4"They rose at uneven intervals"
5"She'd been here once before,"
6"She passed between two of"
7"She'd felt it before."
8"She breathed through it and"
9"They were everywhere — low,"
10"It had been October when"
11"She stood still and listened."
12"Her own breathing."
13"She couldn't explain nothing as"
14"It was hotter than it"
15"She closed her fingers around"
16"She was looking for the"
17"Her eyes kept searching for"
18"She'd read once that peripheral"
19"She wished she hadn't remembered"
ratio0.362
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount62
totalSentences94
matches
0"The text had said midnight."
1"Rory checked her phone —"
2"She pulled her jacket tighter"
3"The message had arrived that"
4"She should have ignored it."
5"She knew she should have"
6"It always meant something."
7"The standing stones were barely"
8"They rose at uneven intervals"
9"She'd been here once before,"
10"She passed between two of"
11"She'd felt it before."
12"She breathed through it and"
13"The grove opened ahead of"
14"They were everywhere — low,"
15"It had been October when"
16"October in England meant bare"
17"She stood still and listened."
18"Her own breathing."
19"She couldn't explain nothing as"
ratio0.66
53.19% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences94
matches
0"Now they were gathered along"
ratio0.011
23.81% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences48
technicalSentenceCount8
matches
0"Just a folded square of paper, cream-coloured, with her name written in ink that had a slight iridescent quality under direct light, like a beetle's shell."
1"Subtler than that — a pressure differential, barely perceptible, as though the atmosphere on this side of the stones had a different weight."
2"But here the flowers grew as if it were May, unhurried and numerous, and the grass around them was a green so deep it was almost black in the dark."
3"Her eyes kept searching for the outline of a standing figure, and they kept finding almost-shapes — the suggestion of a shoulder, the particular vertical of som…"
4"Now they were gathered along a line — a narrow path of white blooms that hadn't been there a moment ago, beginning two feet ahead of her and curving away toward…"
5"The breath of something that had been waiting for a long time and had learned to be comfortable with waiting."
6"Just for a moment — less than a second — each bloom flaring with a cold, faint luminescence as if something below ground had flickered briefly alive."
7"What she felt was the particular, concentrated wrongness of being observed by something that was in no hurry — something that was content to let her understand,…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
84.8575%