Run: 2026-02-17-01KHMN00HWY32C7F0REF61FFRW

Run Details

Duration:
59.9s
Cost:
$0.047421
Provider:
Anthropic

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> <character id="4418" name="Nyx" aliases="Nyx, the Shadow, Nightwhisper" pronouns="they/them" species="Shade" storyRole="Wild Card"> <eyeColor>faintly glowing violet</eyeColor> <height>approximately 6'2" in solid form</height> <age>ageless</age> <form>humanoid silhouette of living shadow, can shift between solid and incorporeal</form> <voice>sounds like a whisper carried on the wind</voice> <description>A being of living shadow, existing between the mortal plane and the spaces between realms.</description> <backstory>Nyx was once a human sorcerer named Aldric who became trapped between realms during a failed summoning ritual in 1643. They now exist as a Shade, bound to the mortal plane but able to slip between shadows.</backstory> </character> <character id="4424" name="Isolde Varga" aliases="Isolde, the Seer" pronouns="she/her" species="Half-Fae" storyRole="Oracle"> <eyeColor>pale lavender</eyeColor> <hair>silver, reaching her waist</hair> <height>5'5"</height> <age>300 years old</age> <appearance>ethereal, ageless</appearance> <speech>speaks in riddles</speech> <footprints>leaves no footprints when she walks</footprints> <compulsion>cannot lie (Fae compulsion) but can mislead</compulsion> <description>A Half-Fae seer exiled from the Fae Courts for sharing visions with mortals.</description> <backstory>She now lives in a hidden grove in Richmond Park, offering cryptic prophecies to those who seek her out.</backstory> </character> <location id="853" name="Dymas (Gluttony)" aliases="Dymas, gluttony, Dymasian" realm="Hel" sin="Gluttony"> <ruler>Prince Belphegor</ruler> <skyColor>warm amber</skyColor> <description>A place of excess and indulgence. Sprawling vineyards, orchards, and gardens provide exotic ingredients for master chefs — often helbound souls contracted from Earth. Grand feasts and culinary competitions are common.</description> </location> <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> <item id="2006" name="Fae-Forged Blade" aliases="the Fae blade, Isolde's gift" type="Weapon" origin="The Fae Courts"> <material>moonsilver</material> <shape>slender, leaf-shaped dagger</shape> <temperature>always cold to the touch</temperature> <glow>faintly luminescent in moonlight</glow> <power>can cut through magical wards; particularly effective against demons</power> <givenTo>given to Aurora by Isolde as a gift</givenTo> <description>A weapon of the Fae Courts, rare and highly coveted.</description> </item> <lore id="7001" name="The Veil" aliases="the Veil, the Barrier, the Boundary" category="Cosmology"> <solsticeEffect>weakens during the winter solstice, strengthens during the summer solstice</solsticeEffect> <appearance>faint shimmering distortion visible only to those with supernatural sight</appearance> <monitoring>rift points (tears in the Veil) are monitored by the Wardens</monitoring> <description>The Veil is the metaphysical barrier separating Earth from Hel and the Fae Realms.</description> </lore> </codex> Write a fully fleshed out scene of at least 1000 words in the fantasy genre. A small group enters an ancient, otherworldly place for the first time. The environment is alien and wondrous. Describe their exploration — what they see, hear, and feel as they move deeper. Include moments of discovery, unease, and wonder. Let the world-building emerge through the characters' experience rather than exposition. Use the codex entries above as your world reference for characters, setting, and lore. Only include the prose of the scene without any markdown or commentary.

Model response

AI
The winter air bit at Aurora's cheeks as she led the way through Richmond Park's frosted undergrowth. Her breath clouded before her, dissipating into the twilight. Behind her, Nyx moved silently, their shadowy form barely disturbing the fallen leaves. The pendant against Aurora's chest pulsed with unexpected warmth, a stark contrast to the December chill. "We're close," she said, her fingers instinctively touching the crimson stone. "The Heartstone's never been this warm before." Nyx drifted beside her, their edges blurring into the gathering darkness. "The Veil thins with the approaching solstice. We should proceed with caution, Aurora." The way they said her name—like wind through empty corridors—still sent shivers down her spine after all these months. "I know," Aurora replied, adjusting the Fae blade at her hip. The moonsilver dagger remained cold despite being pressed against her body for hours. "But Isolde was clear. If we're going to find answers about the rifts, we need to speak with her tonight." They continued in silence, following a path that seemed to appear and disappear with each step. The normal sounds of the park—distant traffic, the occasional dog walker—had faded, replaced by an expectant hush. Aurora stopped abruptly. Before them stood a circle of ancient oak trees, their massive trunks twisted into formations that resembled standing stones. The air between them shimmered faintly, like heat rising from summer pavement—except it was nearly freezing. "Is this it?" she asked, though she already knew the answer. The Heartstone burned against her skin now. Nyx's violet eyes narrowed as they studied the boundary. "Yes. The Grove exists in the space between your world and the Fae Realms. Time moves... differently there. Be mindful." Aurora stepped toward the threshold, the crescent-shaped scar on her left wrist itching as it always did when magic was near. "How long might an hour inside translate to out here?" "Minutes. Days." Nyx's form solidified slightly, a sign of their concern. "There is no formula. The Fae are... capricious." Aurora nodded, squared her shoulders, and stepped between the oaks. The transition wasn't dramatic—no flash of light, no disorienting twist—but the world around her changed completely. The winter night gave way to perpetual twilight, neither day nor night. The air grew thick with unfamiliar scents: flowers that shouldn't bloom in December, fruits that shouldn't grow in England at all. Nyx materialized beside her, their shadowy form more defined in this place—as if the rules that governed their existence held less sway here. "The Fae-touched realm recognizes me differently," they explained, noticing her stare. Aurora turned slowly, taking in the Grove. What had appeared from outside as a small clearing was now a vast meadow dotted with pools of crystalline water. Wildflowers in impossible colors—blue that shifted to purple when viewed directly, white blooms that glowed with internal light—carpeted the ground. The trees that formed the boundary now seemed ancient beyond reckoning, their bark inscribed with spiraling patterns that moved when she wasn't looking directly at them. "It's beautiful," she whispered. "Beauty is the most effective lure," Nyx replied, their whisper-voice carrying a note of warning. They moved deeper into the Grove, following a path of flat stones that emerged from the grass before their feet and disappeared behind them. Aurora noticed that while her boots left impressions in the dewy grass, Nyx left no mark at all—as expected. But more curiously, looking back, she saw her own footprints fading away, the blades of grass straightening as if she'd never passed. "Nothing here wants to be found twice the same way," Nyx observed. The path led them toward the center of the meadow, where a copse of silver-barked trees surrounded a small cottage. It was both quaint and impossible—built from materials that seemed to be part stone, part living wood, with windows that reflected not the Grove but different skies entirely. One showed stars in formations Aurora had never seen, another a blood-red sunset over mountains that couldn't exist on Earth. As they approached, the door swung open. No one stood in the doorway, but a voice like wind through chimes called out: "The mortal who walks with shadows comes at last. Enter, Aurora Carter, bearer of Dymas's gift. Enter, Aldric-who-is-now-Nyx." Aurora glanced at Nyx, surprised. Few knew the Shade's original name. "She is a Seer," Nyx said simply. They entered the cottage, which—like everything in this place—was larger inside than physics should allow. The single room stretched improbably, its ceiling vaulting into shadows. Tables cluttered with strange instruments, bottles containing swirling mists, and books bound in materials Aurora didn't want to identify lined the walls. At the center, a hearth burned with blue flames that gave heat but cast no shadows, not even from Nyx. Isolde Varga stood by the fire, her silver hair cascading to her waist, her pale lavender eyes reflecting the blue flames. She wore a gown that seemed woven from moonlight and mist, and though she appeared solid, Aurora noticed that when Isolde moved, her bare feet left no impression on the plush carpet. "The winter solstice approaches," Isolde said without preamble, "and the Veil weakens. But you already know this." Her gaze fixed on the Heartstone pendant. "What you do not know is why that trinket from Dymas grows warmer with each passing day." Aurora's hand went to the pendant. "How did you—" Isolde's laugh was like glass breaking in the distance. "I See, child. It is what I am, what I was exiled for." She moved toward them with ethereal grace. "The pendant warms because the barrier between Earth and Hel thins most dramatically during this solstice. More than it has in three hundred years." "Why?" Aurora asked. Isolde circled them, studying Nyx with particular interest. "Because forces in Dymas seek what was taken from them." Her gaze returned to Aurora. "Belphegor of the Endless Feast believes something was stolen from his realm. The pendant you wear was created there, attuned to their essence." The Heartstone flared with sudden heat, causing Aurora to wince. "Yes," Isolde nodded. "It recognizes its name. All things of power do." Nyx moved closer to Aurora, their form solidifying further—a protective gesture. "What does Belphegor seek?" Isolde's expression shifted, becoming more distant. "Not what. Who. A soul promised to his table. A master chef who escaped their contract through... unusual means." She moved to one of the tables and lifted a crystal vial containing what looked like liquid starlight. "The barriers between worlds are maintained by balance and pacts. When contracts are broken, the Veil itself responds." She unstoppered the vial, and the liquid rose into the air, forming a miniature map of London. Glowing points appeared across it. "Rift points," Aurora breathed, recognizing the pattern she'd been tracking for months. "Yes," Isolde confirmed. "Growing, spreading as Dymas reaches through. Belphegor sends his hunters to reclaim what he believes is his." The liquid map zoomed in, focusing on a familiar location—the Golden Empress restaurant where Aurora worked deliveries. "Yu-Fei?" Aurora gasped. "She's the one they want?" Isolde recaptured the liquid in its vial with a graceful gesture. "I cannot say what is not yet clear to my sight. But know this: the blade I gifted you will be needed soon. The Fae-Forged steel cuts through more than flesh—it severs bonds, contracts, and ties that bind souls to realms not their own." Aurora felt the weight of the moonsilver dagger at her hip. "You gave it to me for this purpose. You knew." "I Saw possibilities," Isolde corrected. "The future branches endlessly, Aurora Carter. I merely prune the tree from time to time." Nyx, who had been silent, suddenly tensed. Their form rippled like disturbed water. "Something approaches the Grove. Something that should not be here." Isolde's serene expression didn't change, but the blue flames in the hearth flared higher. "Yes. The hunters have followed your trail. The Fae Grove rejects their presence, but they are persistent." She moved to a cabinet and withdrew a small pouch, which she handed to Aurora. "Seedlings from the Grove. Plant them in a circle to create a temporary sanctuary when needed." Aurora accepted the pouch, feeling the seeds inside pulse with life. "How do we stop them? How do we repair the Veil?" "The broken contract must be honored or formally dissolved," Isolde said. "There is no other way. But be warned—" Her eyes suddenly glowed brighter, her voice taking on a resonant quality that filled the cottage. "What feasts in Dymas hungers still on Earth. The glutton's paradise creates appetites that never cease." The cottage trembled. Outside, a keening wail rose—unearthly and filled with hunger. "Go now," Isolde said, her voice returning to normal. "My Grove will hide your escape, but you must return to Earth. The hunters cannot cross the threshold of my domain, but they will wait for you in the mortal realm." Aurora gripped the Heartstone pendant, which now burned against her palm. "Thank you for your help." Isolde's expression softened momentarily. "We are both exiles in our way, Aurora Carter. Those who walk between worlds must sometimes help one another." Her gaze shifted to Nyx. "As you well know, Shadow-Who-Was-Once-Man." Nyx inclined their head but remained silent. As they turned to leave, Isolde called after them: "The winter solstice is in three days. When it comes, the Veil will be at its weakest. Choose your ground carefully." Aurora stepped outside with Nyx close behind. The Grove had changed. The beautiful meadow now pulsed with defensive energy, the wildflowers glowing fiercely, the pools of water bubbling with agitation. At the boundary, shadows darker than the twilight pressed against the invisible barrier, clawing to get in. "Dymasian hunters," Nyx whispered. "They've followed the pendant's energy." Aurora gripped the Fae blade, its cold metal biting into her palm. "Then we'd better find another way out." As if in answer, a new path appeared, leading away from the cottage toward a different section of the boundary. The silver trees bent their branches to form an arch over the trail. "Isolde guides us still," Nyx observed. They hurried down the path, the sounds of frustrated hunters growing distant behind them. Aurora glanced back once at the impossible cottage, now shimmering like a mirage. "Will we be able to find this place again?" she asked. "If she wishes to be found," Nyx replied. "The Fae Grove exists by its own rules." As they approached the new boundary point, Aurora saw Richmond Park beyond—but it was morning, not night. The winter sun cast long shadows through leafless trees. "How long were we in there?" she asked, alarmed. "Time moves differently," Nyx reminded her. "Come. We have work to do before the solstice." Aurora stepped through the boundary, the Grove's magic falling away like a discarded cloak. The Heartstone cooled against her skin, but not completely. Three days until the solstice. Three days to prepare. Behind her, the boundary sealed seamlessly, the Grove hidden once more from mortal eyes. Ahead lay London, unsuspecting of the rifts widening beneath its streets—and the hunters from Dymas who now stalked its shadows, searching for a chef who had escaped their eternal contract.
created_at"2026-02-17T01:57:17.446598+00:00" 2/17/2026, 1:57:17 AM
model"anthropic/claude-3-7-sonnet-20250219"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency452
moderation_latency(null)
generation_time59810
tokens_prompt1590
tokens_completion3005
native_tokens_prompt1757
native_tokens_completion2810
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.047421
router(null)
provider_responses
0
id"msg_01BNgiw8XEVbDc34ckrnhkaz"
status200
is_byokfalse
latency452
endpoint_id"1347c8dc-12f5-47df-8355-3ec7e80a8c67"
provider_name"Anthropic"
model_permaslug"anthropic/claude-3-7-sonnet-20250219"
api_type"completions"
id"gen-1771293377-iOFyy0c0oPCiqhhrC6VT"
upstream_id"msg_01BNgiw8XEVbDc34ckrnhkaz"
total_cost0.047421
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"

Evaluation details

Result Evaluator Details Meta Data
100.0000% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags24
adverbTagCount2
adverbTags
0"she said, her fingers instinctively touching the crimson stone [instinctively]"
1"Nyx said simply [simply]"
62.8450% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount1884
totalAiIsmAdverbs7
found
0
adverb"carefully"
count1
1
adverb"completely"
count2
2
adverb"slightly"
count1
3
adverb"slowly"
count1
4
adverb"suddenly"
count2
highlights
0"carefully"
1"completely"
2"slightly"
3"slowly"
4"suddenly"
100.0000% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.0000% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
57.5372% AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount1884
totalAiIsms8
found
0
word"ethereal"
count1
1
word"crystalline"
count1
2
word"sanctuary"
count1
3
word"shimmered"
count1
4
word"cascading"
count1
5
word"trembled"
count1
6
word"stark"
count1
7
word"weight"
count1
highlights
0"ethereal"
1"crystalline"
2"sanctuary"
3"shimmered"
4"cascading"
5"trembled"
6"stark"
7"weight"
100.0000% Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
100.0000% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences108
matches(empty)
100.0000% Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount0
hedgeCount2
narrationSentences108
filterMatches(empty)
hedgeMatches
0"seemed to"
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount1
totalSentences137
matches
0"ties that bind"
100.0000% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs65
mean28.48
std18.42
cv0.647
sampleLengths
055
118
224
319
444
533
638
718
829
931
1019
1110
1249
1334
1473
154
1615
1765
1812
1968
2040
2111
227
2367
2453
2541
269
2753
283
2946
3010
3112
3215
3325
3458
3512
3620
3717
388
3955
4021
4120
4223
4362
4422
4551
4612
4740
4816
4933
100.0000% Passive voice overuse
Target: ≤5% passive sentences
passiveCount0
totalSentences108
matches(empty)
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount1
totalVerbs229
matches
0"wasn't looking"
100.0000% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1257
adjectiveStacks0
stackExamples(empty)
adverbCount39
adverbRatio0.031026252983293555
lyAdverbCount22
lyAdverbRatio0.017501988862370723
100.0000% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences137
echoCount0
echoWords(empty)
100.0000% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences137
mean13.51
std7.88
cv0.583
sampleLengths
017
19
213
316
411
57
611
713
819
911
1013
1120
1216
1317
143
1519
1616
1711
187
199
2020
2121
2210
2311
248
2510
2616
2712
2821
2923
3011
317
3220
3320
3426
354
3615
3724
3819
3922
4012
4120
4228
4320
447
4533
465
476
487
4915
59.6107% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats5
diversityRatio0.3795620437956204
totalSentences137
uniqueOpeners52
0.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags24
fancyCount17
fancyTags
0"she said, her fingers instinctively touching the crimson stone (say, instinctively touch)"
1"Aurora replied, adjusting the Fae blade at her hip (reply, adjust)"
2"they explained, noticing her stare (explain, notice)"
3"she whispered (whisper)"
4"Nyx replied, their whisper-voice carrying a note of warning (reply, carry)"
5"Nyx observed (observe)"
6"Nyx said simply (say simply)"
7"Isolde said without preamble, Her gaze fixed on the Heartstone pendant (say fix)"
8"Isolde nodded (nod)"
9"Aurora breathed, recognizing the pattern she'd been tracking for months (breathe, recognize track)"
10"Isolde confirmed (confirm)"
11"gasped (gasp)"
12"Isolde corrected (correct)"
13"Isolde said, her voice returning to normal (say, return)"
14"Nyx whispered (whisper)"
15"Nyx observed (observe)"
16"Nyx reminded her (remind)"
87.0584%