Rasetsubō acts as a mechanized antagonist in the original video animation "Raven Tengu Kabuto: The Golden-Eyed Beast." This entity operates under the direct command of the sorceress Tamamushi and the Gadget Master Jinnai, functioning as their primary instrument of destruction.

Its core identity is a mecha possessing unique and unearthly combat capabilities. Rasetsubō exists solely to execute the objectives set by Tamamushi, who seized control of the kingdom after the king's death.

The mecha opposes the protagonist Kabuto during his mission to rescue Princess Ran and her bodyguard Kazuma from Tamamushi's forces. It engages Kabuto in combat, utilizing its mechanical nature and specialized functions within Tamamushi's defense systems and Jinnai's engineered traps.