War Of Kings by Dan Abnett

In a cosmic saga of epic proportions, the narrative unfolds amidst a tumultuous power struggle between two mighty empires vying for dominance in the galaxy. As the Inhumans, led by the formidable Black Bolt, assert their claim to the throne, they face fierce opposition from the Shi'ar Empire, ruled by the ambitious Emperor Vulcan. The ensuing conflict draws in a host of interstellar factions, each with their own agendas, leading to a series of explosive battles and strategic alliances. Amidst the chaos, themes of loyalty, betrayal, and the quest for power are explored, culminating in a dramatic confrontation that will reshape the cosmic landscape forever.