What is the purpose of a sacrifice?

Not exactly... you can cut down units one by one, but the effect will only appear after exceeding a certain threshold... for example, after reducing the total HP of the defeated units to 500-1000, and after that, you can continue cutting and cutting... for example, to achieve a bonus of +5 to Fury and Minotaur units, you need to defeat an army approximately equal to 2-3 populations of all levels... and this is only a bonus for 1 week, so is it really worth it?