User blog comment:B214/Volume 23 discussion blog/@comment-172.58.16.82-20170405020233/@comment-31137559-20170405145151

Those that have died(and stayed dead and are currently dead) in DxD:


 * Raynare, Dohnaseek, Kalawarner, and Mittelt


 * Valper Galilei(Guy in charge of the Holy Sword Project)


 * Katlea Leviathan


 * Cruserys Asmodeus


 * Shalba Beelzebub


 * Diodora Astaroth


 * Freed Selzan


 * Siegfried


 * Pluto(Ultimate-class Grim Reaper)


 * Marius Tepes(Valerie's brother)


 * Niohoggr


 * Rizevim Livan Lucifer


 * Azi Dahaka


 * Apophis

Yeah no good guys(that have been named) have died in this series.