Compare Warbreaker

Their world is one in which those who die in glory return as gods to live confined to a pantheon in Hallandren's capital city and where a power known as BioChromatic magic is based on an essence known as that can only be collected one unit at a time from individual people. By using and drawing upon the color in everyday objects, all manner of miracles and mischief can be accomplished. It will take considerable quantities of each to resolve all the challenges facing Vivenna and Siri, princesses of Idris; Susebron the God King; Lightsong, reluctant god of bravery, and mysterious Vasher, the Warbreaker. (Novella)