(Second Futa version is in attachments)
Not all Warlocks should be an evil and ugly bastards like a well-known orc. No. Sometimes it's a quite hot and beautiful babes like Eldyth.
Someone like her doesn't even really need to use the fel magic to drain someone's soul. There is always plenty enough of those who's willing to give all they have for a change to be in her charming presence.
And who knows, maybe she even wouldn't deny such offer from someone like you~