[WraithLord]

I'm not sure its *that* good at that. You get what? 25% chance of E pick on a capital only mage (Warlock) who suffers from old age and is far surpassed in most capacities by the demonbred, so you'd rather get a demonbred almost every turn that you can rather than a warlock. Even the apprentices are more useful - they are effective blood hunters and researchers that can double back as communion slaves/masters in combat.