Talk:Valkyrie Sweet Sake/@comment-2607:FB90:5A40:59E0:0:47:D37F:3501-20180114102514/@comment-2600:1702:30:B630:FD8B:C188:DED5:5EFA-20180117191600

It does not drop after any battle - it's a floor advancement reward. You get it for reaching floor 15000