User blog comment:AKFrost/Halloween Conq Leaks/@comment-139.193.142.232-20131012050651/@comment-212.220.206.50-20131012082149

Eh, just to clarify: SH has enough time (and more) to get to 80, but not quite enough time to get to 100, so you'd have to start a bit earlier.

It's just that DS 500 is about the right amount to aim for 100 with minimal SW usage, hence the suggestion.