Specific origin details for this clip are not documented, which is common for short user-uploaded effect packs built from layered synthesis rather than a film or game. Sounds like this circulate widely in editing communities because the cyber-robot roar is a flexible shorthand for artificial power. Editors pull it for gaming montages, tech intros, transformation sequences and sci-fi skits where a custom creature vocal would take too long to design. Its three-second length fits modern short-form pacing, which helps this style of digital roar stay in regular rotation.