Place it at the peak of a reveal, after a short build-up, then follow it with a Vine Boom to underline the impact. For a stronger build-up, put a Dun Dun Dun just before it, so the audience expects something bad and the roar delivers it.
Über diesen Sound
This is a big monster roar, a single creature growl that builds into a loud, throaty bellow lasting just over four seconds. It feels sudden and menacing, like something huge has appeared close by and is warning you off. The sound works as a quick scare or a dramatic entrance, giving a scene instant size and threat without any words.