Changelog:

Daevic Desire capstone changed to limit the abilities power, while still being appropriate for the level and tier of the class.

Bloody Shroud adjusted to reflect correct bind acquisition level annotation.

Cincture of the Dragon adjusted to remove Con-based durations and effects.

Courtesan's Cloak changed to an insight bonus to saves to be more in line with the general bonus types granted by Incarna abilities.

Essence of the Succubus changed to a competence bonus to be more in line with the general bonus types granted by Incarna abilities.

Immaculate Touch changed to do 1 point of healing +1d6 per point of Essence invested.

Grammar error corrected in Infernal Blood.

Thurston's Bladewards fixed to grant DR/Bludgeoning.

Level requirement removed from Extra Essence.
Level requirement (7th) added to Extra Essence Capacity.