Talk:"Greatest Show On Earth"/@comment-93.39.226.80-20140425162230/@comment-17760674-20140425185049

General rule of thumb for the 3x attack feature: Before level 100ish, if you can send out at least 3 of your full top-ten team, then the 3x attack feature is not useful.

It's actually a little more specific than that and it does depend on the level (... actually, it's the defense, but oh well) of the conquest boss, but it should give you a general idea. (So for example, if you can only send out your full team once, the 3x attack feature will be awesome for you. If you can send out your full team 6 times, then the 3x option will be a waste.)