After a disastrous war against [[Ultramar]], the Death Shadows withdrew to their secret stronghold on the [[Fortress World]] of [[Sybari]]. In 745.[[M41]], while they were planning a strike against [[Macragge]], tendrils of [[Hive Fleet Behemoth]] rampaged into Sybari{{Fn|2}} and devoured it, annihilating the warband to the last man.{{Fn|5}}It was thought that Warband was annihilated to man, however, [[Loven Valstor]] was not convinced. This was proven when they appeared among several other chaos warbands aiding [[Warsmith]] [[Honsou]] in his [[Invasion of Ultramar]].