My first attempt at puzzling. Let's see how many of you figure out the right angle.
EDIT: Some small changes.
A mere tool I am,
In a world so grown,
Yet here I am,
Taking you on.I'm a supporter
of things well known,
Without me, these portals,
you would never call your own.And kid yourself not,
I am almost the same,
As when I say "The fate of the world
depends on."Of what I am made,
Is the Swan's Song of Stars,
And it's neighbors,
they may sound but
unattractive they are.
EDIT: Another clue, as I feel the above clues might prove to be insufficient, and something that I feel I may have insufficiently described:
What I am made of that I mentioned,
is an ingredient among a few,
among its kind it lies,
an elemental country not new.
Who am I?
P.S.: This is TOO easy.
EDIT: Hint 1
A fine, young lady once said two me: "Don't take it literally for what it is, dear. Magic is just Science we don't understand."
EDIT: Hint 2 - Now this is just giving it away..
Those famous things I support,
Once spawned beings of such form,
So formidable these off-springs,
Rode this world's storms.