Archmagos

Belisarius Cawl is the greatest mind of his age, and he has a plan to open up the Attilan Gap to allow safe passage through the Great Rift. In order to complete his work, he travels to a necron tomb world. In the process, he attracts the attention of something even more dangerous than ancient xenos… For years, Belisarius Cawl has nurtured an audacious plan to stabilise the Attilan Gap sufficiently that the Imperium might open a stable route into Imperium Nihilus. With the primarch Roboute Guilliman having crossed the Great Rift, and now isolated on the far side, time is running out. Before Cawl can perfect his latest great work, he requires one last element: control codes preserved on an ancient necron world trapped on the event horizon of a black hole. Realising that even he cannot do this alone, Cawl recruits help from across the Adeptus Mechanicus. Yet as victory nears, malign intelligences have taken note of the archmagos, and Cawl is about to discover it is unwise indeed to provoke the interest of Vashtorr the Arkifane…