User blog comment:EmpyreanSmoke/Weaknesses/@comment-206.191.148.66-20151001073910/@comment-209.239.123.107-20151002012840

The fact that they may've came first has nothing to do with this, only whether Leviathans can kill archangels. Just because something came first does not mean it can kill something else, and that something that came later can't kill it.