Board Thread:Warhammer 40k General Discussion/@comment-6078851-20130130174042/@comment-3258762-20130203173132

Yes, but Alpharius and Omegon shared the same soul, they had one precense in the Warp instead of two, which is why the Kabal could not expect it to be 2 of them. So it's basically like you having two pairs of your arms, legs, eyes, ears etc but with their own will.