"Reliable" Threat Assessor

"Reliable" Threat Assessor
Item Level 128
Binds when picked up
Trinket
+19 Mastery (0.26 at L120)
Sell Price: 42 83 88
Winnable by the following class specs:
Druid:
Hunter:
Rogue:
Shaman:
Monk:
Demon Hunter: