Mental Rapidity

10% increased Cast Speed
30% increased Mana Regeneration Rate [1]

Mental Rapidity is a notable passive skill that grants increased cast speed and increased mana regeneration rate.

Anointment

Blight anointment to unlock the passive:

Oil #1	Oil #2	Oil #3	Outcome
Sepia Oil	Violet Oil	Black Oil	Mental Rapidity	10% increased Cast Speed 30% increased Mana Regeneration Rate

Version	Changes
3.16.0	[Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.] Now grants 30% increased Mana Regeneration Rate (up from 20%). No longer grants 10% increased Energy Shield Recharge Rate.
3.11.0	Now grants 10% increased Cast Speed (up from 8%). [Undocumented This change was not documented by any official sources. It was discovered through player testing or datamining.]
3.5.0	Now also grants 10% increased Energy Shield Recharge Rate.
2.0.0	Also provides 20% increased Mana Regeneration Rate in addition to 6% increased Cast Speed.
1.2.0	Many clusters throughout the tree now have new notables.