Fortitude of the Zandalari

Fortitude of the Zandalari
Thunderforged
Item Level 528
Upgrade Level: 0/2
Binds when picked up
Unique-Equipped: Fortitude of the Zandalari (1)
Trinket
+61 Mastery (2.65 at L90)
Requires Level 90
Sell Price: 21 55 99
Upgrade Level: 0/2
Winnable by the following class specs:
Paladin:
Warrior:
Druid:
Death Knight:
Monk:
Demon Hunter: