Board Thread:Warhammer 40k General Discussion/@comment-108.20.7.134-20131202042330/@comment-6078851-20131231022732

even if his mind was totally wiped it would still be the exact same brain. he may not be the individual 'ferrus manus' anymore but the brain would be the same potent and powerful tool that was behind his psyche.

even if he had to re-learn everything in order to be an individual again, it would still be the body and mind of a fully functional primarch.

it would probably be best for the necrons if he did have complete memory loss. then they could teach him their own particular philosophies and indoctrinate him.