Demon Knights Collected Editions Series by Paul Cornell, Robert Venditti, Bernard Chang, Diogenes Neves, Mike Choi, Robson Rocha, Julio Ferreira, Marcelo Maiolo, Jared K. Fletcher

Set in the Dark Ages of the DC Universe, a barbarian horde is massing to crush civilization. It's fallen to Madame Xanadu and Jason Blood, the man with a monster inside him, to stand in their way–though the demon Etrigan has no interest in protecting anyone or anything other than himself! It'll take more than their own power to stop an army fueled by bloodlust and dark sorcery, and some very surprising heroes–and villains–will have no choice but to join the fray!Collecting: Demon Knights, 1-7

On the road to Alba Sarum, the Demon Knights learn the tale of Madame Xanadu and Etrigan, and the twisted love they share. But even more twists abound as the Knights arrive to an assassinated Merlin! Now they must travel to fabled land of Avalon in search of a way to revive their legendary wizard. But what they find on the way is a threat more dangerous than they could have expected and a betrayal from one of their own!Collecting: Demon Knights 0, 8-12

Acclaimed writer Paul Cornell sends the Demon Knights to Hell in this third installment in the series!Betrayed by Etrigan and trapped in Hell, the Demon Knights must find a way to escape the clutches of Lucifer. To do so, one of the Demon Knights must make the ultimate sacrifice. Everything changes for the Demon Knights in this volume directly connecting to the mysterious Black Diamond.Collecting: Demon Knights 13-23