Talk:Greirat's Ashes/@comment-2601:200:8000:5576:6CD5:D653:7C3A:A2D6-20190503005705/@comment-4511886-20190609063748

Regardless of if he survives it or not, Greirat's pillaging starts after you leave or reload Firelink Shrine, and ends when you beat a boss. Which boss you beat is irrelevant, although the questline breaks if you have less bosses left alive than Greirat has pillage runs left.