User blog comment:Solomus-BlackWing/Campaign Idea...sorta/@comment-4964060-20130511145824/@comment-8395098-20130511154928

depending on the date and planet the chaos lords involved could be here to gather supplies, slaves, and sacrifices in tribute to the big name chaos lords (or just for themselves) before another black crusade or just in  preperation for one of their own wars. (like how huron blackheart had a turnament, to give blessings and warbands to the victor.)