In this, the fifth installment of the Kilenya Series, Jacob Clark masters his last magical ability to harness energy from the sun, which leads him to the location of the Key of Ayunli. Unfortunately, the Lorkon learn where it is, too, and they race to see who will get to it first. But complications rise as Jacob and his friends are tasked to release Lasia, the Fire Pulser, while Azuriah declares that they must rid the land of Gevkan from Lirone, the sky-dwelling monster. With so many important and dangerous tasks, Jacob is forced to increase the boundaries of his Shiengol abilities before the Lorkon army arrives. He feels the possibility of failure mounting, knowing that without him, those he loves will suffer or even die. Can he buy more time, or will he be forced to face Keitus and the other Lorkon before he's ready?