Everyone seems to be confused if Arthur is dead or not
I believe he is dead 4 good, i dont think he is dead because even though he received all of peter's abilities i don't think he got Claires. in season 2 they made it clear that if Kensie or whatever his name his (healing dude) had his head blown off he would die, but throughout the series they make it seem as if Claires ability isn't exactly the same as anyone elses, like on the last episode, they didn't know what to do against sylar until claire said "I know how to stop him, he has my healing ability" to me this says hers is different or the writters are trying to pitch it that way and sylar did say he couldn't kill her even if he wanted too
And heres another thing, this is for all those people that say that peter has all his powers just cause he's an empath. i dont know who told yall that all he has to do to use those powers is remember how that person felt, i cant remember him "remembering" how claire felt when the glass was pulled out of his head the 1st time he was killed, or him remember how to use the nuke power when he met that guy for a few seconds, or remembering how nathan felt when he 1st flew even though nathan and peter weren't even close in the 1st season, or the fact that he can use all his abilities like time travel and telekinesis which he used on his own.