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: Essence of Elanicus, Sunken Temple, Classic Era
Classic 1.15.9.70576
Chained Essence of Eranikus
Binds when picked up
Trinkets
Use: Poison all enemies within an 8-yard radius of the caster, dealing 50 Nature damage every 5 seconds for 45 seconds.(15 minute cooldown)
Sell Price: 64s 64c
Forever Beta 1.60.1.70888
Chained Essence of Eranikus
Binds when picked up
Unique
Trinkets
Use: Creates a cloud of poison with a radius of $a1 yards around the caster. Enemies in the cloud take 140 Nature damage every 2 seconds. Damage dealt to trolls is increased to 2x. Lasts 20 seconds.(10 min Cooldown)
Sell Price: 1g 65s 80c