User blog comment:AKFrost/Halloween Conq Leaks/@comment-115.64.209.51-20131012105451/@comment-212.220.206.50-20131012120920

I'd say you'd need a couple of SWs merely to pass level 80. If you'd need at least one SW starting from hmm... level 85 onwards, 2 to pass lv 80, 6-7 to pass level 100 - perhaps 20-25?

That's just an estimation based on the previous conquest data, though, it may be completely off for all we know.