Duke Decibel, a retro boss fight
Author’s claim. Posted before Fable 5.2 came out. The author called it Fable 5.5, the name rumors gave the next Fable. We can’t verify which model ran.
A boss fight against a character called Duke Decibel in a retro cartoon game style. The author says it was generated in one shot in under ten minutes.
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Picked from what creators posted that week, each one credited and linked to the original post.
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Our note
A boss fight on a red-curtained stage under a "Duke Decibel" marquee. The title card says "Inkwell Pictures presents", pitches it as a hand-drawn-in-code fight in the spirit of 1930s cartoons, and lists controls including a parry and an "EX blast". The player has a steaming coffee-cup head; the boss is a gramophone in a top hat that fires records and pink notes, its horn opening into a toothed mouth. Health drops from "HP 3" to "HP 0", ending on "You died!", a near-miss line and "41% of the way to a knockout". The setup closely follows Cuphead. The under-ten-minutes account is the author's; no prompt was shared.
Written by The Frontier Brief after watching the video (Nov 5, 2026). It describes what is on screen; we have not run the work ourselves.
Prompt
Not known. We have not found a prompt published by the author.
What we know
- Model
- Listed under Fable 5.2. The author wrote Claude Fable 5.5 (author’s claim)
- What we checked
- From the open awesome-fable5-5-videos list (MIT, Copyright (c) 2026 yihui-dev). On Oct 31, 2026 the post was still live on X; which model actually ran is the author’s claim.
Video from @maciejkrupowies’s post on X, credited to the author. Want it taken down? Email support@fable5.app.
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