Dark Underground Forge Cavern Video Prompt 687

What this prompt does: Produces a cinematic video using Seedance 2.0. Style cues: dark, cinematic. Sourced from a verified fair-citation repository (Aimi Kōda) and reproduced here unchanged with full attribution per the source license.

Prompt
A dark underground forge-cavern of black obsidian. Rivers of molten metal flow through channels in the stone floor, casting orange-red light on jagged walls. Industrial chains hang from the ceiling. Steam hisses from ground