Talk:Guild Bootcamp!/@comment-27019819-20160312222139/@comment-1.32.32.90-20160313024952

I've been playing for more than 2 years and haven't gotten 5 S books even once. Gotten 4S 1A a few times, but still rare.

From my experience, the single S book formation has a low drop rate, and in the mixed S/A formations the A tends to drop more often.