a book where I dump doodles and things

Endo, Rain, and Noteb are young apprentices that have learned the power of using Art Magic. The High Priests of Artisin have prepared them to provide protection across the land, but all that changes when another ordinary thievery turns out to uncover secrets from a time forgotten by many. Can the trio stand up to the task of securing balance with the rise of an old evil on the horizon?