Board Thread:Warhammer 40k General Discussion/@comment-25222488-20161221090333/@comment-24944355-20170225220916

At no point is it stated that the weapon was forged from Sanguinious soul, even those that forged it realised that anything they heard or saw in the Eye was not to be taken  literally as illusion abounds there. They were also talking about the weapon being forged from Sanguinious sword not his soul