Sage’s character is basically supposed to be a rough-and-tumble little kid who's had to grow up with the worst stepdad in the entire history of Trothar; the sovereign. He is somebody who likes and enjoys causing mischief and further into the series he is someone who will calm down a bit but generally asks a little too personal questions. He's curious, he's pushy, but he's got a heart of goldto  protect his family. An important thing to note as well is he is going to have a huge shift later on in the series so he will turn eventually to be calmer and kinder, so people should be prepared for that.