Board Thread:Warhammer 40k General Discussion/@comment-6078851-20130130174042/@comment-5880884-20130316064340

No human, astrates or otherwise can stand the emperor's blood. The blood angel Rafen was injected with Sanguinius's blood and almost died from its power. Sanguinius is only a primarch, so we can expect what will hapen if someone was to have the emperor's blood injected.