You can apply an additional Curse  Whispers of Doom is a notable passive skill that raises the active curse limit by one.
Whispers of Doom originated as a keystone passive skill, but was changed into a notable passive skill in
Whispers of Doom is part of a cluster, located on the north-east side of the tree. The cluster also contains Curse Cast Speed, Faster Doom Gain, and Curse Effect (x2) small passive nodes.
Blight anointment to unlock the passive:
The Whispers of Doom cluster has moved next to Chaos Inoculation. The first passive in the cluster now grants 10% increased Cast Speed for Curses (from 15% increased Curse Duration). The small passive on the left path now grants 50% increased Doom gain rate (from 15% increased Cast Speed for Curses).
(Not in patch note) Cost to anoint Whispers of Doom has changed. (A 3-way swaps between  Crusader, Soul of Steel and Whispers of Doom)
The Whispers of Doom keystone has been changed into a notable.
The area surrounding the Witch, Shadow and Ranger has been redesigned.
Old flavour text: " Your grandchildren will awaken screaming in memory of what I utter today."
Moved the "Monsters can have one additional curse" ability to a new keystone passive - Whispers of Doom.