The Sapphire King

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.

 In a land of magic and power, Peter wasn't interested in either. All he wanted was to save a friend that he had inadvertently put in danger.
 The Sapphire King picks up where The Emerald Kingdom left off. As Peter races off to save another friend, the kingdoms erupt in war and threaten his homeland, and he finds out that it will fall to him and his friends to save all the Kingdoms of the Jewel Mountain.