The intricate world-building of the Empyrean series reaches new heights in this novel. We learn more about the gryphons and the other cultures that inhabit this continent. For ease of access, the Onyx Storm epub is the preferred choice for many international readers. The story balances the grand scale of war with the intimate moments of a romance under fire. It is a compelling read that challenges the characters to be better than their predecessors. The electronic version ensures that you can carry this heavy tome without breaking your back.