So in case you didnt see it.

Dear Gamers

Event Materials Exchanges for all Advent Battle events ending before 08/02(PDT) will be closed as of 20:00 08/24 (PDT).

Make sure you to exchanged materials with items you got from these event before they're gone!

Thank you for your consideration and continued support.

Sincerely
The Devs
Yatagarasu ended August 1st, so it'll be closed for those who were still hoarding mats.