A man confronts two others, accusing them of threatening him and his master, while a powerful beast called Thunderbird appears, seemingly housing a human inside. The conflict escalates as an assassin attacks, forcing the beast's master into a life-threatening situation. Facing fatal injuries, the master activates a risky healing process through the beast’s ability to devour and fully parasitize, merging with the dragon to survive. This shocking turn leads witnesses to panic and order the killing of the now master-consuming beast, leaving the outcome uncertain.