Flint - A warrior who lives a double life to try and get inside details of the King's life and plans so that he can help Shadowfell defeat the King. He is the King's most trusted warrior and that helps him to get all the details of the King's plans. He is also in love with Neryn, his traveling partner his soon to be wife. He is not a caller but he is trained in making people listening to him through a magic process. This can corrupt people's minds and make them loyal to the King which is why he is allowed on the King's court. Flint is a courageous warrior who wants to overthrow the King and change his world with Neryn.
Sage - This a magical being from the north of their world who helps Neryn along in her journey. Sage is only able to help in the North because she cannot cross borders into the east, west, or south. She is very old and powerful and has always believed that Neryn was special. She has a clan that follows her but most of her clan got killed during a culling where the King used his caller to call forth the magical creatures. Sage helps Neryn defeat the King by uniting the North and West creatures to help in her fight against inhumanity.