User blog comment:AndromedaV/Events in Ayakashi are getting hard and Zynga reducing the rewards../@comment-10271969-20131116045257/@comment-20426317-20131123064418

I think it is definitely worth trying for the pure form if you have a guild that can coordinate - because all you need to do is farm for pure, and make sure everyone gets in a hit, and its entirely possible to get a decent 5* for multiple people even if you can't reach a high level Fallen.