This is a generic-style digital effect rather than a quote or sample from a known film or game, built in the tradition of royalty-free sci-fi sound packs. Short robotic roars like this circulate widely on soundboard sites and editing apps, where creators grab them for gaming montages, animation memes and tech-themed shorts. Its appeal is practical: a three-to-four-second burst of machine menace that needs no context. That versatility keeps it in rotation for intros, transitions and jump-scare style reveals.