5 important things you probably missed on this week's 'Game of Thrones'

Melisandre's necklace has been a point of interest for fans for a while. During season two, it glowed in one scene. Is it the source of her power?

Taking it off was a powerful moment for her transformation into her true, older self. If it does have magical age-changing powers, then it's certainly an accessory everyone will want.

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@TheRealJethro where can I find that necklace?

Suddenly, Jon Snow's (Kit Harington) direwolf has become very significant on the show. Mentioned several times as a protector for the men loyal to his master, the wolf plays an integral role in a fan theory about how Jon Snow could be brought back.

Warging, the ability that allows someone to transfer themselves into an animal and virtually look upon the world through their eyes, is at the center of the theory. Suddenly, the direwolf's name, Ghost, also seems to support the theory.

Talk about man's best friend.

Speaking of warging, Bran Stark (Isaac Hempstead-Wright) didn't appear on the premiere episode. He is returning this season after spending two seasons away.

His return could be a game-changer as Stark loyalists could rally around him. There could also be some revenge to be had against the Lannisters. Bran lost the use of his legs after being pushed out of a tower window by Jaime Lannister (Nikolaj Coster-Waldau) in a bid to keep his incestuous relationship with his sister, Cersei (Lena Headey), a secret — something Bran had found out about.

Doran (Alexander Siddig), who ruled Dorne, was killed by the Sand Snakes within the first half-hour of the premiere. If you've only watched the HBO show, that was probably no big deal. But if you read the books, you're probably fuming.

As we understand it, Doran had a much more significant role in Martin's novels. He had a long-standing plot to marry his son (whom the Sand Snakes also killed) to Daenerys. And to make the kill even worse for book fans, the Sand Snakes wanted to crown Myrcella Baratheon their queen. So it doesn't make sense that they'd kill her and kill the Martells.

Clearly, the showrunners are veering from the books on that one, and the purists aren't happy.

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RIP Princes Trystane and Doran Martell....! Man...losing all the good ones #GameofThrones

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I don't like how "unimportant" Doran Martell is in the #GameofThrones show -- he's much more of a brilliant character in the books