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.
Classic 1.15.9.69722
Spellshock Leggings
Binds when equipped
LegsCloth
63 Armor
+10 Intellect
+9 Stamina
Requires Level 45
Equip: Increases damage and healing done by magical spells and effects by up to 23.
Sell Price: 1g 9s 62c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.