This sound effect can be found on the Monsters and Creatures Sound Effects Library, which was made by Sound Ideas. It includes Sound Ideas, ANIMAL, BREATHE - LARGE CAT-LIKE COMPLEX BREATH SOUND and Sound Ideas, ANIMAL, ROAR - DRAGON: ROAR 1, MONSTER, CREATURE, FANTASY, HORROR.
Links:
https://soundideas.sourceaudio.com/track/7552277
https://soundeffects.fandom.com/wiki/Sound_Ideas,_APE,_GIANT_-_LARGE_THREATENING_GROWL_05#Audio_Samples
