Lichloved
(Book of Vile Darkness, page 49, DnD 3.0)
[Vile]
By repeatedly committing perverted sex acts with the undead, the character gains dread powers.
Prerequisite
Benefit
Mindless undead see the character as an undead creature. Becoming more and more like an actual undead creature, he gains a +1 circumstance bonus on saving throws against mind-affecting effects, poison, sleep, paralysis, stunning, and disease.