Talk:Operation: Shadow Debt/@comment-10875806-20160127053223/@comment-10875806-20160127183154

I just did some testing of my own in exterminate missions. As soon as I passed the 1/2 way mark of total kills, the Acolyte lights would flicker as I entered the next room (regardless of if I had entered it previously or not).

Perhaps a similar mechanic exists in other missions (excluding the "endless" ones).