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Place it at the visual reveal, after the Dun Dun Dun cue has set up the moment and before the Vine Boom lands the impact, so the sequence moves from warning to creature to hit in one clear arc.
About this sound
This clip is the roar of the Indominus Rex, the genetically engineered hybrid dinosaur from Jurassic World, delivered as a deep, guttural bellow that fills the whole sound. It feels tense and intimidating, like something enormous is closing in and cannot be reasoned with, and it gives a scene an instant sense of danger and scale.
