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It's time for some 'Game of Thrones' game theory!

It's all a big dream, literally

Jon Snow is Azor Ahai

Daenerys Targaryen is Azor Ahai

Davos Seaworth is Azor Ahai

Jaime Lannister is Azor Ahai

Samwell Tarly and Jon Snow do not reunite

Confirmed: Tyrion Lannister betrays the Lannisters

Quashed: Bran Stark will lead the Night King through the Wall

Cersei becomes the Mad Queen

Jon Snow learns who his parents really are

Jon Snow will be a dragon rider

Tyrion Lannister will be a dragon rider

Confirmed: There will be an ice dragon

The ice dragon will fight for Jon Snow

Confirmed: The Night King will be a dragon rider

There’s an ice dragon in the Wall

Euron Greyjoy will control a dragon

The Cleganebowl is happening

Bran is Bran the Builder

Bran is the Night King

Bran caused Aerys Targaryen to go mad

Confirmed: The union of fire and ice

Confirmed: The return of Gendry

Jaime Lannister will kill Cersei

Jon Snow will kill Cersei

Tyrion Lannister kills Cersei

Arya Stark will kill Cersei

Confirmed: Arya Stark kills Petyr Baelish

Arya Stark is dead... and has been dead for a while

Confirmed: Ed Sheeran gets out alive, probably

We've pulled together 30 of the best "Game of Thrones" fan theories on where the George R.R. Martin-based series is headed. (Updated through "Beyond the Wall.")

Theory No. 1: The "Game of Thrones" universe is but a glint in a giant's eye.

This theory has its roots in the episode "Lord Snow" where Robb Stark notes that Old Nan once told him "the sky is blue because we live inside the eye of a blue-eyed giant named Macumber." 

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Giant theorists think more hints at this potential twist have dropped through the years. One of the biggest is in "Sigils," a teaser trailer for season 7, which closes with a giant shot of -- wait for it -- a blue eye.  

Then again, maybe the eye was just a foreshadowing of the Night King's arrival in the Season 7 finale.

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Called the "biggest" fan theory about "Game of Thrones," this one holds that our resurrected hero is "The Prince That Was Promised," aka Azor Ahai, a legendary, fire-sword-wielding savior figure from the books whose name has not yet been uttered on the series. 

Kit Harington told the Huffington Post his character wouldn't "pay much attention" to being the prophesied one.

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This theory is nearly as accepted as the Jon-is-Azor theory. There's even a Redditor who has made a color-coded chart that shows the princess as the odds-on-favorite. It shows her hitting all the right Azor notes, including a shared talent for bringing stone dragons to life. 

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The reformed smuggler is viewed as something of a dark-horse candidate. But an elaborate theory makes a case that the series has hinted at the so-called Onion Knight's destiny going back to when Davos retrieved a cooled, but once-flaming sword from the sand. The theory goes on to give Davos credit for bringing Jon Snow back to life, an act that could be described as having awakened a dragon from stone.   

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This "crazy" theory posits that a High Valyrian translation error has led us to believe Azor Ahai is the Lord of Light when he's actually more like the Lord of Gold. Jaime is, of course, the most golden "Game of Thrones" character, given that he literally has a golden hand.  

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Sam and Jon are the best of friends, but they haven't seen each other in... a while.  

Some fans hoping for a reunion had those hopes dashed by an Instagram of the actors who portray the characters.  

"Briefly, but happily, back together again," read the caption on John Bradley-West's Instagram page.

"Game of Thrones" watchers read the "briefly" part as a sign that the actors (and their characters) are not sharing scenes together. 

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This theory -- borne out in Season 7, Episode 3 -- featured Daenerys' army attacking the Lannisters' Casterly Rock. The attack was planned with insider knowledge provided by one of the royal family's own: Tyrion.  

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Fans thought the the young warg would unwittingly bring the leader of the White Walkers -- and his army -- into the Seven Kingdoms. Bran's arm, marked by the Night King in season 6, would act as a GPS device and show them the way inside.  

Now we know the real way that the Night King breached the wall, and it wasn't via Bran.

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In the "Game of Thrones" universe, there's already been a Mad King.

The Cersei theory supposes that, now that Jaime's beloved sits atop the Iron Throne, she'll go down the same path and order the fiery destruction of King's Landing. After all, she's already blown up half the city.

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We now know once and for all who begat Jon Snow: The secretly married Lyanna Stark and Rhaegar Targaryen. According to a pair of theories, Jon, who assumed the title "the King in the North," will soon know the truth, too. After all, Samwell and Bran already do.

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Now that Jon has been confirmed to be a blood member of the dragon-friendly Targaryen clan, he's all but considered a lock to join his Aunt (yes, aunt) Daenerys heading into battle on one of her two remaining beasts. 

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Who will fulfill the prophecy of the three dragons

Tyrion is considered a good bet because even though he's a Lannister, some theorize he's actually a Targaryen, possibly a son of the Mad King. Also, Daenerys' dragons don't hate him. 

Then again, one dragon has now switched sides, so all of this theorizing could be for naught.

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This theory suggested that one of Daenerys Targaryen's three dragons -- most likely Viserion -- would die and be resurrected as an ice dragon by the Night King. 

This exact theory proved to be true in Season 7, Episode 6, "Beyond the Wall." 

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The ice dragon theory also posits that the zombie will, oddly enough, fight for Jon Snow and the North. The King of the North, who was also resurrected, will be able to tame the ice dragon and ride it. 

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Given that the ice dragon theory proved true, then of course the Night King would be able to mount Viserion.

And he did just that in the Season 7 finale.

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The Wall at Eastwatch is already breached. But this theory suggests that the Horn of Winter -- found by Samwell Tarly -- will awaken an ice dragon in the Wall as well, perhaps causing another part of the structure to collapse. 

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Earlier in season 7, Euron Greyjoy promised Cersei a gift in exchange for an allegiance. Could that gift be something he's already delivered, such as Yara or Ellaria? Or could it still be the Dragonbinder, a horn that can supposedly control a dragon?

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Fans have been waiting for the Clegane brothers -- the Mountain and the Hound -- to battle to the death since the two fought in Season 1.

The Season 7 finale all but confirmed that these two are bound for a major showdown.

Caption by / Photo by HBO

Bran the Builder -- also known as the first Brandon Stark -- built the Wall and Winterfell centuries ago. This theory suggests that the second Bran wargs into the past to construct the Wall... and tells people his name while he's there.

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In this concept, Bran wargs into the past and into the man who becomes the Night King as the Children of the Forest begin their ritual. Bran is then trapped in the Night King's body. 

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With Bran's powers to warg into the past, could he have caused the Mad King to actually go crazy? The belief is that during his viewing of the past, Bran will call out to Aerys Targaryen, causing him to hear voices. 

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Many fans believe that Dany the Dragon Queen and the King of the North could get hitched. Given what went down in the Season 7 finale, things seem headed in that direction.

The two are related, sure, but that hasn't stopped Targaryens in the past.  

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Remember Gendry? He's the illegitimate son of Robert Baratheon, who was shipped off on a boat earlier in the series. The rumor that Gendry would make a triumphant return to team with Jon Snow and Co. also came true in Season 7. 

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This is a widely popular theory. And it's one that Nikolaj Coster-Waldau, the actor who portrays Cersei's twin sibling and lover, Jaime, doesn't necessarily buy.  

"It's probably too obvious," Coster-Waldau has said

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This is a less popular theory, but it's a good one. Like the Jaime-kills-Cersei supposition, it's rooted in a scene from the books wherein the witch Maggy tells a teenaged Cersei she will be choked to death by "the Valonqar." The latter is said to be High Valyrian for "little sibling."

The Jon-kills-Cersei theory holds that anyone who is a little sibling could be the culprit, including one Jon Snow. 

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Perhaps the only thing less surprising to "Game of Thrones" fans than Jaime Lannister taking the life of his sister would be Tyrion Lannister, another of the queen's brothers, doing the deed. Like Jaime, Tyrion pretty much fits the Maggy prophecy to a T.  

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Add a Stark to the list of suspects of our potential murderer. For one thing, Arya has a kill list

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This Reddit-borne theory held that the smarmy Baelish, aka Littlefinger, would plot the demise of Jon Snow only to get offed himself by Arya.

The theory came pretty close: Sansa and Arya tag-teamed that one.

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In season 6, Arya kills the Waif in a darkened alley... or does she? The Arya-is-dead theory holds that it was actually the Waif who prevailed, and then assumed Arya's identity by wearing her face. This turn of events is hinted at, believers speculate, when Jaqen H'ghar tells Arya (or should we say, the Waif?) that she has "become no one."

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For the record, the British singer-songwriter has said that he doesn't die in his role on the show... but the show isn't over yet, is it?

Caption by / Photo by Gareth Cattermole/Getty Images
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