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 Scholomance trash(0.01%).
Classic 1.15.9.69722
Coldstone Slippers
Binds when equipped
FeetCloth
54 Armor
+14 Intellect
+9 Stamina
Requires Level 50
Equip: Restores 4 mana per 5 sec.
Sell Price: 1g 8s 67c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.