As cities rise across the Mortal Realms, Lord-Celestant Gardus Steel Soul leads his Hallowed Knights into darkest Shyish, hoping to gain a foothold for the forces of Azyr. But as the foundations of a new citadel are laid, the Hallowed Knights find themselves beset by enemies both living and dead – including the Mortarch of Night, Mannfred Von Carstein. Now, Gardus must lead his warriors into the very heart of darkness in order to save the soul of a warrior long thought lost...