Stormrage

Currently I am listening to world of Warcrafts audiobook, Stormrage. It's way better than I thought and apparently Malfurion is more of a badass than I had expected.
Furthermore this boosted my desire to cosplay the druid one day aaaand...
Eeey! The first materials arrived!

That's right, 200 feathers :D
Anyway, do you think you can guess what I ordered next for that cosplay?