Hex Master

Your Hexes have infinite Duration
20% less Effect of your Curses [1]

Hear these words but once and they will echo in your nightmares forever.

Hex Master is a notable passive skill that grants increased duration and area of effect of your curses.

Anointment

Blight anointment to unlock the passive:

Oil #1	Oil #2	Oil #3	Outcome
Crimson Oil	Black Oil	Opalescent Oil	Defiled Forces	Remove Elemental Ailments when you Cast a Curse Spell Refresh Duration of Ignite, Chill and Shock on Enemies you Curse

Version	Changes
3.16.0	(Undocumented): No longer grants 5% increased Effect of your Curses. Now grants 50% increased Area of Effect of Hex Skills (previously 40%). Now grants Hex Skills have 100% increased Skill Effect Duration (previously 80%).
3.12.0	The Hex Master cluster has moved to the left side of the tree, next to Disciple of the Forbidden. It now has 3 small passives before the notable. The entry passive now grants 5% increased Effect of your Curses. The two passives before the notable each grant 50% increased Doom gain rate. The notable now exclusively applies to Hex skills.
2.6.0	Hex Master now grants 40% increased curse area of effect.
2.0.0	Increased Curse Duration lowered from 100% to 80%; 20% increased Radius of Curses and 5% increased Effect of your Curses added.
1.2.0	The Hex Master keystone has been changed into a notable. Hex Master changed completely; it now grants curse duration. The area surrounding the Witch, Shadow and Ranger has been redesigned.
1.0.3b	Fixed a bug introduced in 1.0.3 where Hex Master worked incorrectly.
0.9.5g	Hex Master now grants "+1 curse on targets" in addition to its existing effects.
0.9.4	Introduced to the game. Curses you cast never expire.