Kihra's Adrenaline Injector

Kihra's Adrenaline Injector
Mythic
Item Level 47
Binds when picked up
Unique-Equipped
Trinket
+4 Agility
Use: Grants 73 Mastery for 20 sec.
(2 min cooldown)
Sell Price: 3 50 21
Dropped by Oshir - Iron Docks.
Bonuses:

Winnable by the following class specs:
Druid:
Hunter:
Rogue:
Shaman:
Monk:
Demon Hunter: