Thread:Chikalin/@comment-25130395-20150525064813/@comment-24882397-20150530044537

Pretty sure that most collabs with fesgen-like stats is around 1%, while the weaker rainbows are 5% ish. At least that's what the surveys said about the previous ones.

http://dg.pad-plus.com/archives/13688.html

http://dg.pad-plus.com/archives/16357.html

http://dg.pad-plus.com/archives/10342.html

edit: ah wait, you're talking about dungeon drops, my bad.