Entropy

23% increased Damage over Time
10% increased Skill Effect Duration [1]

Entropy is a notable passive skill that grants increased damage over time and increased skill effect duration.

Anointment

Blight anointment to unlock the passive:

Oil #1	Oil #2	Oil #3	Outcome
Sepia Oil	Amber Oil	Crimson Oil	Entropy	23% increased Damage over Time 10% increased Skill Effect Duration

Version	Changes
3.11.0	Now grants 23% increased Damage over Time (down from 27%) and 10% increased Skill Effect Duration (up from 5%). [Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.]
2.1.0	Added 5% increased Skill Effect Duration.
1.2.0	The area surrounding the Witch, Shadow and Ranger has been redesigned.
1.0.3	New groups of passives have been added for Chaos Damage and Damage over Time.