Talk:Development/@comment-175.156.183.12-20150611082335/@comment-26097716-20150616121026

It's just RNG. I've been using 10/30/90/10 for a whole month like Tennousu did (daily + random attempts up to 10 per day), and I've only gotten 2 AP shells.

On a side note, unless you need more Sanshiki there's no need to go for the 10/90/90/30 recipe.