From lurking around and reading posts from high level players, it is obvious that they know the slavery mechanics down very solidly. Players like TheMeInTeam almost make things look too easy in his videos too, which is really amazing. My question is: how often do you stack your ? And is there an easy way to know when you get one citizen from whipping anger disappear if you stacked your ? For example, if I sacrificed another set of citizens before the first whip anger is gone, the game just shows that you get 2 for your whipping with the total number of turns for the to entirely disappear, but not showing the number of turns for the first to disappear. My personal rule is that I almost never sacrifice one citizen. On Normal speed, I usually try to wait until I can get the most number of from a whip. And I never sacrifice citizens on the first turn of building anything because that seems to be more costly, though I don't know the calculation behind the formula. Also, sacrificing citizens for wonders seem to work on a completely different formula as well, which I am also lost at. For example, since a normal sacrifice of 1 citizen = 30 on Normal speed, I try to accumulate as many as possible just before the the 30 threshold to sacrifice citizens. So for a building that costs 60 , I prefer to get to 29 before sacrificing citizens to ensure that I get a 2 population whip, with the most number of into an overflow. Am I doing this right or am I missing something here? Finally, if you have a very solid commerce city that generates a ton of science working well developed cottages with low and production, would you still consider using slavery to whip out a university there?