The Kidnapped (transfusion book one)

This is set in a world where everyone shifts through the art of crafting and object and transfusing their animal spirit into an object. The first object is always a necklace and shows their main animal, which is always based on personality. Next often is a trade object of such, when they are in the final of their training, however its not always the case, it can also be a personality and based on various conditions. There has always been peace in this world, until a great unrest breaks out, causing chaos, and forming the unlikely of groups to fix it.