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 Overlord Wyrmthalak, Lower Blackrock Spire(0.96%).
Classic 1.15.9.69722
Mark of the Dragon Lord
Binds when picked up
Finger
Requires Level 56
Use: A protective mana shield surrounds the caster absorbing 500 damage. While the shield holds, increases mana regeneration by 22 every 5 sec for 30 min. (30 Min Cooldown)
Sell Price: 2g 13s 72c
Forever Beta 1.60.1.70009
This item does not exist in the Forever client.