that there should be a quest where the Deadra Prince Sheogorath sends you to protect a mudcrab nest from the nearby viilage? It would involve all sorts of Sheogorath-y and Mudcrab-y shenanigans, like dressing up as a giant mudcrab and terrifying the village with your awesome mudcrab powers.
This is actually a serious topic about the Deadric quests FYI.
Sex with Lightning would be awkward. She'd just lay there going "Tch" and "Right..."