Ostro Greaves

==Statistics==
==Other Uses==
==How to Obtain==
===High-Tier Mission Battlefields===
*★Trial by Wind - Cloister of Gales, 6 members, no level limit, 30 minutes.
==Derivations==
Ostro (Catalan: Migjorn, Croatian: Oštro, Greek: Όστρια, Montenegrin: Oštrijal), or Austro, is a southerly wind in the Mediterranean Sea, especially the Adriatic. (Wikipedia)
ja:オストログリーヴ