Can't wait to see pictures!
A cloak? Could you do a short reference picture? Because I just can't really imagine how you want to do it...
Made some progress for my Mulan on Ice Cosplay. Here's some pink mess :P
(gonna sew it together tomorrow. I couldn't find purple silk, so the collar is also pink now :/ The actual color depends on the lighting however. It's more reddish than the rest of the top)
And my accessory (unfinished hairband, necklace, haircomb):