What really got me firing on all cylinders was this post linking to the deviantART of one of the designers of LoS:
Quote: Bifrost
What EL used was just a tiny fraction of what Pullen really wanted. Here's the long LONG discourse about Convexity Breath/Aether, though he abandoned the account after that unfortunately.
Like, look through what (lamentably little) he has in his gallery. One thing of note is a discussion on this artwork (spoilered because of size):
Let's discuss this crap, y'all. What do you think would have better suited the Legend trilogy? Where might the series have gone had it been more developed? Have at it.