User blog comment:EmpyreanSmoke/Supernatural Q&A/@comment-27006668-20151025235919/@comment-3481504-20151026003809

While as the personification of death, death can kill God, who contrarily said God couldn't kill God? As I see it, God probably could kill death, just as a vampire could kill a werewolf, or a werewolf kill a vampire, depending on who got the upper hand.