Maybe you don't know but you can use all of the skill/dressbloom at the same time. It will cost less gold for the same result.

Yeah, that's what I just posted...the seven skill/dressblooms plus three manyus, for a total of ten upgrade materials. Been doing it ever since the first dressbloom event (Mountain Lily?)

Okay. Actually I just missread. I think you got 3 super upgrade in a row but on the same account.