Board Thread:Dark Souls II/@comment-94.13.191.233-20150117094150/@comment-1265392-20150424222622

Considering the nature of Ornstein's soul, it could be that he was reborn somehow (like the other special souls). I think he died anyhow, as we see him dying and he even drops his ring. Not to mention his armor is recovered by the merchant guy. That said, I'm not sure if he could become undead, but if he did, it would be interesting if OD was Ornstein in a hollowed state.