Children of Lilith adds succubus gameplay to Skyrim. Drain victims to absorb Energy, and spend that Energy on new abilities. Will you take just a bit, or will you take it all?  I use succubus throughout this description, but the mod will work the same with male, female, or any other gender of character. As long as they can start and participate in a SexLab animation, it’ll work.   Currently Implemented Perk Trees: Path of Domination (A little outdated, but basically correct.