You have learned to use the dark and often vile chthonic energies with your veils.
Prerequisites
Ability to weave veils.
Benefit
You can weave veils with the chthonic descriptor regardless of your alignment and the alignment of the veils.
You can invest essence into this feat.
You gain an profane bonus equal to the invested essence on the save DCs of chthonic veils.
You gain 1 point of essence.
Special
You cannot gain this feat if you have the Ouranic Akasha Acolyte feat.