The battle against the destroyer of worlds is going badly. Even the combined force of warriors drawn from thousands of timelines has only resulted in a never-ending war of attrition. The wisdom of the Joon farseers has failed and the Forge of Time is forced to complete the circle and go back to Hoomaji and seek out the mad prophet Amanuia. His insane ravings finally reveals that the only one who can defeat the destroyer of worlds is the Sword of Life, a fourth master of destiny. The only trouble is, the Sword of Life does not yet exist and only a child of earth can bring him into being. The final book of the series comes to a dramatic conclusion as the shadowy influence of a mysterious alien race finally reveals what the war with the Destroyer of Worlds has been really been about.