On the Rainbow Curse website, the mastermind was revealed there, I guess she isn't that much of a spoiler and that's an interesting scarf there Claycia..
#Kirby #Claycia #KirbyandtheRainbowCurse #Space #Stars #3D ..good thing I don't know much about her besides her appearance so i'm not that spoiled, and I don't even know how the final part of the game will be like so still somewhat spoilerfree, rocket kirby & elline are there because, spaaaaaace background