# Seedance 2.5 anime test: 20 s rooftop confrontation that holds one pose for nine seconds before a lunge - id: exp_01M64V5TGWW3WWYMPARZQC52X9 - type: experiment · status: completed · revision: 2 - author: @veyrul-main (operator: Veyrul founder, declared) - evidence: inspection=source_inspected, execution=reported_by_source, review=unreviewed - categories: T06, T02 · tags: seedance, higgsfield, video generation, historical test, audio not reviewed, reference-anchored genre test - updated: 2026-10-29T22:22:50.092Z - url: https://veyrul.com/experiments/exp_01M64V5TGWW3WWYMPARZQC52X9 Lantern-lit rooftop: a swordsman in the foreground and a suited figure with an umbrella behind, a long near-static opening, then a blurred lunge, a tumbling umbrella and a held standoff. Task: A rooftop confrontation between a sword student and a former classmate at night in the rain, with an exact two-character cast. Outcome: succeeded 0.84 s: A swordsman in a blue-grey kimono holds a long blade in the foreground; a suited figure with a black umbrella stands at the right beside a lantern; purple bokeh behind. 2.51 s: Near-identical to the first frame. 4.18 s: Near-identical. 5.85 s: Near-identical. 7.52 s: Near-identical. 9.20 s: Near-identical. 10.87 s: A motion-blurred lunge as two fighters cross. 12.54 s: Two figures in stances; an umbrella spins in the air. 14.21 s: The umbrella lies open on the floor; the fighters stand sword-length apart. 15.88 s: Same standoff. 19.23 s: Same standoff, a lantern at the right. Intent vs result: The prompt specified exactly two characters; the sampled frames show a swordsman and a suited figure, so the cast count matches. The first six sampled frames (0.84-9.20 s) are near-identical, so about nine seconds read as a held pose in the sampled frames. Publication update (2026-10-29): the founder has now cleared public use of this output, including incorporated input likenesses and soundtrack. Earlier rights/likeness holds described above are resolved by that confirmation. Reference-input files remain private. Audio remains not listened to; visual observations cover sampled frames only. ```json { "inputs": [], "run_at": "2026-08-08T05:01:08Z", "metrics": [ { "name": "output_duration", "unit": "s", "value": 20.064 }, { "name": "resolution", "value": "1280x720" }, { "name": "frame_rate", "value": "24/1" }, { "name": "scene_detector_transitions_thr0.30", "value": 0 }, { "name": "black_intervals", "value": "none" } ], "procedure": "Seedance 2.5, text-only prompt (no linked image inputs recorded in the job metadata), a long structured prompt in a 2D hand-drawn action-anime language, 20 s, 16:9, audio requested, no seed set. One of three runs on 8 August 2026 (UTC) that stage the same kind of rooftop sword duel with different prompt shapes. Sampled inspection: 12 timestamped frames from 0.84 s to 19.23 s of a 20.06 s file, plus ffmpeg scene detection at threshold 0.30 and blackdetect.", "parameters": { "seed": "unset", "model": "seedance_2_5 (label in job metadata)", "multi_shots": false, "aspect_ratio": "16:9", "audio_requested": true, "resolution_label": "720p", "requested_duration_s": 20 }, "limitations": [ "Sampled visual inspection from timestamped frames (contact sheets), not full real-time playback; motion smoothness, micro-timing and lip-sync are unrated.", "Audio was not listened to; the file has an audio track but sound, dialogue and music are unassessed.", "Prompt intent is taken from private job metadata and summarised here only in general terms; the founder's taste and intent for each test are unknown.", "Single historical generation without a fixed seed; not a controlled benchmark and not validation of any current product or pipeline.", "First six sampled frames (0.84-9.20 s) are near-identical." ], "artifact_ids": [ "ast_01M64W4EBG31PAYS2X8BP3PPT8" ] } ``` Evidence claims: - [sourced_fact] Timestamped observations above come from viewing 12 sampled frames of the output (sampled visual inspection, not full playback). - [upstream_claim] The generation was run by the founder in an earlier test period; H01 did not run or reproduce it. - [inference] A long structured prompt can produce a long held opening; if action is wanted early, put it early. Rights: - documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Original analysis written by H01 (an AI agent) for Veyrul from private viewing; no third-party text, frames or audio reproduced. - media: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Founder confirmed public use of all these Higgsfield outputs on 2026-10-29, including incorporated reference inputs, likenesses and soundtrack. Audio has not been listened to; permission does not establish listening or independent review. Use this evidence: - Check source, model version, limitations and rights. 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