We built an interactive narrative experience called The Sword of the Creator, told chapter by chapter via ElevenLabs audio models. As you listen, you scroll through a feed of visuals made by other participants, each tied to a moment in the story.

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Users contribute their outputs through a simple prompting portal, which get added to the feed for every future listener. The more people participate, the richer the experience becomes.

This experience was designed to challenge something we'd been wrestling with as a studio. Generative image tools open up entirely new creative possibilities, but they're inherently unpredictable. If anyone can prompt anything, outputs become inconsistent and the creative vision falls apart. We needed to know if we could control this.

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Our hypothesis: if we built a strong enough conceptual center with very good art, world rules, and prompt logic, we could create a gravitational pull that keeps outputs in orbit without killing what makes the technology interesting.

The very first thing we did was make original art: characters, environments, props, world rules — everything that would define the visual identity of the creative universe.

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The logic and prompt architecture came after, built around that foundation. We moved into ComfyUI to build six workflows over three weeks, each tuned to a different creative task: characters, portraits, action shots, cinemagraphs, sketch-to-image, and a refinement flow. Clean interface on top, simple enough for anyone to use, with a world of nodes, logic, and guardrails underneath.

We walked a fine line: too much control and it's not a collaboration, but too little and the world dissolves.

Capitalizing on Boston Tech Week, Black Math and ComfyUI invited 30 participants across backgrounds, skill levels, and disciplines, to stress test the experience and push it to its edges.

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They dropped their own sketches and ideas into the flows and went looking for the limits of the system. The center held. No matter how far they pushed, outputs stayed grounded in the world we built. So, when they said frog, the system knew we meant OUR frog. Ribbit.

Curious what the same system could do for advertising, congruently we built a dedicated ad generator around Beerch Water, a fictional beverage brand, with its own brand style guide built underneath. All outputs lived inside the universe of the story.

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We imagine a future where brands place ads native to the creative world their customers are already inside, uniquely generated, consistent in quality, with little to no lift.