These are Skywalker Sound sound effects. They debuted in the 2008 game Spore as the sound when an epic dies, it’s also known for being used as the roaring sounds of the Indominus Rex in the 2015 movie Jurassic World. Links: https://soundeffects.fandom.com/wiki/SKYWALKER,_ROAR_-_INDOMINUS_REX_ROAR#Audio_Samples