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 Chest of The Seven, Blackrock Depths(27%).
Classic 1.15.9.69722
Deathdealer Breastplate
Binds when picked up
ChestMail
338 Armor
+8 Stamina
+8 Strength
Requires Level 52
Equip: Improves your chance to get a critical strike by 2%.
Sell Price: 2g 45s 90c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.