Changed from Classic: highlighted lines below differ between the two clients.
Data source: game client item records. Forever build 1.60.1.70888 ; Classic Era build 1.15.9.70576 . View the compiled item record . A beta record does not confirm in-game availability. Verify acquisition in the game and official announcements.
Source: Mission: Solanluk Orb, Barrens, Classic Era
Classic 1.15.9.70576
Orb of Soran'ruk
Binds when picked up
Held In Off-hand
Classes: Warlock
Equip: Increases the damage dealt by fire spells and effects by up to 4.
Equip: Increases the damage dealt by Shadow spells and effects by up to 4.
Use: Restores 25 HP every 3 seconds for 30 seconds.(30 minute cooldown)
Sell Price: 41s 32c
Forever Beta 1.60.1.70888
Orb of Soran'ruk
Binds when picked up
Held In Off-hand
Classes: Warlock
Equip: Increases the damage dealt by fire spells and effects by up to 9.
Equip: Increases the damage dealt by Shadow spells and effects by up to 9.
Use: Restores 48 HP every 3 seconds for 30 seconds.(10 minute cooldown)
Sell Price: 41s 32c