I think the answer is passion.

One thing that jumps out right away is the really long line in the middle of the poem. I'd cut out a few words and break it up into 2 or 3 lines:

Brightening it to where it will show the snow covered caverns
and the decapitated snowman laying beside the snow angel,
impaled by the everlasting icicle.

And a gud spel cheker iz a happee thing! ;-)