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 Zul'Farrak trash(1.4%).
Classic 1.15.9.69722
Shriveled Heart
Binds when picked up
Unique
Neck
-5 Spirit
-5 Strength
+13 Stamina
Requires Level 40
Sell Price: 81s 55c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.