OK I finally finished reading the newest Preview on Tor, and several things just Jumped out and bit me. Wall Of Text and Various Fan Gushing to Follow.
Random idea One: this book will deal with only 4 shards/powers.
reason? this Quote “Three of sixteen ruled, but now the Broken One reigns.”
OK, from the Forum, and the various Annotations I've learned that their are 16 Shards, or Powers in Sandersons Works, we've met Two in the Mistborn Series (Ruin/Preservation) One in Elantris (the Dor) and One Warbreaker (Endowment). We've also seen Hoid, the Planet Hopper, and the current rumor is he's Bonded/Serving a Shard as well. So, 16 Shards... 3 of Sixteen Ruled. this implies (to me, it might not to you) that After the Shattering, a few of the Shards Got together, and watched over this section of the Universe. But, they got Defeated by a 4th Shard, the "Broken One" who now rules this world (Like Ruin was planing on). which is also just a cool idea,
Another idea that Struck me, one of the Magic systems of this book, Prophecy before Death. IE, the lovely little quotes that start each chapter (and provide so much Juicy worldbuilding, in less than a sentence... omg i love them squeee!!) ahem.... that this is one of the Magic systems, possibly a blended system. (by blending i mean, Preservation had Allomancy, Ruin had Hemology, together they both powered Feraceumy). Just a thought.
I will now return to Babbling and counting the hours till this book gets Released..... 26:10:46:30 to go