The Timestream Entanglement has drawn the Seven Capitals together, forming the Heart of Heaven. After Knull’s fall, Hela is imprisoned in the An'Hay-Zhidi, where Dizang—Devil of the Eighth City—dares her to atone for her sins. But Angela will not forgive her betrayal. She arrives in the Heart of Heaven demanding Hela be handed over, yet its guardian refuses to surrender someone under his protection. Justice will be served and a debt will be paid. But while they fight, an even greater danger stirs. Doctor Doom seeks to steal the Chronal Chi of the slumbering dragon Shou-Lao, threatening to unravel the fate of the Heavens themselves. Can Iron Fist protect the Immortal Dragon… or will Doom claim its power?