Sound of Night Part 2 is a side quest in Avatar: Frontiers of Pandora that tasks players with locating a new nocturnal sound. To complete this task, fans must access a cave that is located to the east of the River's Run camp, though finding that cave's entrance can be a bit difficult. Indeed, some players may struggle to enter the River's Embrace cave in Avatar: Frontiers of Pandora, and this guide is here to assist those fans.