Gollum's point of view is also interesting. A feeling ? Why not !!!
I also agree with Constable Hogweed about the parallel with Lucifer. Actually, it seems to me that in quite many Arena's songs, the devil is directly or inderictly mentioned. So is God, actually. Let's take a more recent song : "Opera Fanatica". Do you remember some ot the last word ?
You try to live without me by your side;
you try to live without me now but I
I will always be there,
Just a single breath away;
And I, I will always be there,
I will share your fate again.
Kind of making me thing of God again (some may think of the devil, maybe...).
About the Crack in the Ice, I read an interpretation that was stating that the whole album was talking about someone becoming a disbeliever, but kind of "meets" again God at the end. So logically, the Crack in the Ice could be the doubt period : "I defy you to stand, on the crack in the Ice, with the Power of you Hands, on the crack in the Ice". Kind of a metaphore of the doubts shaking the whole nice "block" of beliefs ?
To be thought upon...
PS: For those who haven't yet notice - and you must be but a few - my native tongue is not english either, so please, be patient with my mistakes.