How to Obtain
|Cannot be auctioned, traded, or bazaared, but can be delivered to a character on the same account.|
Can be obtained as a random reward from the Gobbie Mystery Box Special Dial and similar sources.
Ostro (Catalan: Migjorn, Croatian: Oštro, Greek: Όστρια, Montenegrin: Oštrijal), or Austro, is a southerly wind in the Mediterranean Sea, especially the Adriatic. (Wikipedia)