Not yet observed in the beta: the Forever client retains this item's record without its stats. Those are sent by the server in-game.Until someone records it, the Classic tooltip is shown below. Forever has reviewed every dungeon's loot, so changes are expected.
In Classic Era, dropped by The Beast, Upper Blackrock Spire(20%).
Classic 1.15.9.69722
Blackmist Armguards
Binds when picked up
WristLeather
77 Armor
+13 Stamina
+5 Strength
+10 Shadow Resistance
Requires Level 58
Equip: Improves your chance to hit by 1%.
Sell Price: 1g 40s 18c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.