None that can hurt him?

[ohtatyaro]

I'm glad YOU grasp the concept.

I'm afraid I'm not convinced I mean, if a person has a body, and body is made outta matter, and matter being destructible - surely there is a possibility of destroying it, than?

See:

Originally Posted by Gandalf at the Last Debate

We must walk open-eyed into that trap, with courage, but small hope for ourselves. For, my lords, it may well prove that we ourselves shall perish utterly in a black battle far from the living lands; so that even if Barad-dûr be thrown down, we shall not live to see a new age. But this, I deem, is our duty. And better so than to perish nonetheless - as we surely shall, if we sit here - and know as we die that no new age shall be.’

I doubt Gandalf was so cruel as to have second thougts, I mean, cackling and giggling in his mind along the lines as you surely shall, if we sit here - and know as you persih blah-blah-blah. I mean, it's just not a way Tolkien good guy would do.