A very cool moment as Ragnar, still very much a sickly man (that part wasn't a trick), pumped up his intensity for one final act. And that shot of Bjorn throwing up his arms, sending the vikings in to plunder the streets, was awesome.
Answer Wiki. Incubus is a mythical creature, a demon in male form who preys upon sleeping women in order to father children. According to Malleus Malleficarum, demons are infertile and unable to procreate (due to the fact of them being dead) so they came up with a proxy way of making people.
Saskia (Aife) and Bo, Succubi. A Succubus is a powerful female Fae who feeds from the chi and sexual energy of Fae and humans of either sex. Bo is the protagonist of Lost Girl and she is a Succubus. A succubus feeds and heals herself by drawing chi through the mouths of her lovers, friends, volunteers, or victims; and from the energy created from engaging in sexual activity. The succubus can kill someone by draining their victim of his or her chi.