Since the book series is actually called A Song of Ice and Fire...I'm assuming there is a great battle brewing between Whitewalkers and Dragons. Assuming also because we've seen dragon bone annihilate a Whitewalker. This is all just based off guesses though.

Dragon GLASS, not bone. It's also known as obsidian (which Sam also mentions when they first find it), but is essentially volcanic glass in reality. It can also be found on the island of Dragonstone, which Stannis Baratheon is currently calling home, and which used to be occupied by the Targaryens as their staging ground when they first conquered Westeros . I'm sure that will be something that also comes into play down the road.

Other than that, your guess is a sound one. Consider also, as many book conjectures do, that the "Ice" and "Fire" may also have a double meaning as people. Which two, I'll leave for you to make guess about. Still, the term has multiple possible meanings, including one character"s supposed possible parentage, and that's all I'm saying, as that's just speculation, too.

My mistake, I thought, like so many people and things in this series, Dragon Glass was just another term for bone for some reason. Makes far more sense though considering how glass-like the dagger that Sam had seemed. I've watched this show obsessively, as well as the featurettes and other bonuses on the Blu-ray sets, so that's where a lot of my guesses tend to stem from. I feel like there's a lot of context in the old stories the characters tell, especially anything about the Targaryens and Old Valyria before the Doom.

Unfortunately, I do know the two whom you reference just from a lot of open conjecture from book readers in these threads, but then again, from what I hear, it's all just educated guessing. I do love how this show has taken a turn from the books from what they say, so hopefully there are a lot of surprised in store for us, so far they've been able to deliver coherently shocking moments again and again.

Matt and Mat look on as Michelle MacLaren directs the King of White Walkers

I think she will do like the books and choose to just rule the lands she has conquered for the time being. Until the time comes that its's obvious Westeros needs her help. She will then unite with Jon Snow to save the world, hence the title of the saga.

I'm not sure how I feel about that ending..... It makes sense.. but I just don't like the Jon character... As I read the books, I kept finding myself tempted to skim through the chapters at the wall and Jon's POV chapters. The chapters upon chapters spent with him when he "left" the Nights Watch were tedious....