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.
succubus (plural succubi or succubuses) 1  A female demon which comes to men, especially monks, in their dreams to seduce them and have sexual intercourse, drawing energy from the men to sustain themselves, often until the point of exhaustion or death. 2  A strumpet, whore or prostitute.