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And now our watch begins: 5 questions to recap Game of Thrones before season 7

With major battles and epic confrontations awaiting favourite Game of Thrones heroes, anti-heroes and schemers, here's a recap of important threads heading into the cable hit's penultimate season.

Shorter 7-episode season debuts on HBO on Sunday

Coming home: Daenerys Targaryen (portrayed by Emilia Clarke) appears to arrive at Dragonstone, the original seat of House Targaryen in Westeros, in season 7 of Game of Thrones. (HBO Canada)

Last season, the political battle royal that is HBO's Game of Thrones removed far more players from the game than it added — and often through gruesome or tragic means.

Ramsay Bolton: eaten by his dogs. Margaery and Loras Tyrell: incinerated. Tommen Baratheon: suicide. Hodor: holding the door.

These characters and others joined the dead in a series — based on George R.R. Martin's Song of Ice and Fire novels — best known for regularly eviscerating the audience's expectation of happy endings or straightforward redemption narratives.

As the remaining power players of the Seven Kingdoms converge on Westeros and final battles await fan favourite heroes, anti-heroes and schemers, here are some key questions to be answered heading into the cable TV juggernaut's penultimate season.

Where are the first families now?

After everything Game of Thrones ensemble cast has been through, the great houses of Lannister, Stark and Targaryen remain at the heart of the drama.

After immolating many of her political opponents with wildfire, Cersei won the queen's crown, but lost the last of her three children. She and twin brother Jaime are the only surviving Lannisters in King's Landing. Jaime earned the title "Kingslayer" by murdering Aerys Targaryen when he vowed to burn his subjects alive. Now that his sister has followed through with the Mad King's pledge, will Jaime's nascent conscience bring the sibling lovers to blows?

Sibling lovers Cersei and Jaime Lannister (played by Lena Headey and Nikolaj Coster-Waldau) glower from the Iron Throne in King's Landing. (HBO Canada)

After Jon Snow and Sansa Stark regained their family stronghold Winterfell from the Boltons, Jon is hailed the new king in the North. Meanwhile, younger siblings Bran (recently graduated mystic) and Arya (recently graduated assassin) appear homeward bound, teasing fans with the suggestion of a family reunion.

Yet all is not perfect: Sansa may well resent Jon's coronation — especially since it was her influence that helped turn the tide at last season's Battle of the Bastards. If Bran arrives, they'll also have to face the revelation from his vision: that Jon isn't their half-brother after all, but their cousin; the son of Rhaegar Targaryen and their aunt, Lyanna Stark.

Sansa Stark (Sophie Turner) finds herself at a crossroads in Winterfell. (HBO Canada)

Daenerys Targaryen is also on the move, backed by an army that includes Tyrion Lannister, the Greyjoy fleet led by Theon and Yara, her Unsullied warriors, Dothraki nomads and three fully grown dragons. Trailers show Dany arriving on the Westeros continent — specifically Dragonstone, her family's original seat of power.

Who's brokering peace?

A few reasonable voices are warning of an even bigger threat: the nearly invincible White Walkers and their hordes of zombies approaching from north of the Wall.

"If we don't put aside our enmities and bound together, we will die. And then it doesn't matter whose skeleton sits on the Iron Throne," Davos Seaworth declares ominously in one preview trailer. 

Will the warring families of Westeros heed the warnings of Jon Snow (Kit Harington)? (HBO Canada)

Jon Snow repeats the point. "For centuries, our families fought together against their common enemy — despite their differences — together. We need to do the same if we're going to survive." 

Just who the duo are addressing is unknown, but the conflicting houses would be wise to heed their words after the horrific fifth season massacre at Hardhome. Still, is it likely that the remaining rulers will follow the advice? In trailers, Dany's Unsullied, Lannister soldiers and Dothraki cavalry all appear in battle on multiple fronts — in the North, at sea and at what appears to be Casterly Rock, the Lannister ancestral home.

Will Euron be the next mega-villain?

Euron Greyjoy (Pilou Asbaek) could be the series' most evil villain yet. (HBO)

Euron Greyjoy could be the biggest wildcard of season 7. He made a strong first impression last year: tossing his elder brother Balon off a bridge and, immediately afterward, wresting the Iron Islands' crown from Theon and Yara. The siblings fled to pledge their allegiance to Daenerys, but our last glimpse of Euron (portrayed by Pilou Asbaek) showed him rebuilding a new fleet of ships to stake his own claim to the Iron Throne.

Though viewers haven't seen much of the late sixth season arrival, Asbaek teased that Euron will be even more hated than previous Game of Thrones villains Joffrey Baratheon and Ramsay Bolton.

"After this season, Ramsay's gonna look like a little kid," the actor vowed to Empire. Considering Ramsay's favoured pastimes included flaying, torture, rape and murder, that's saying something.

Will we witness Cleganebowl?

The appearance of Sandor Clegane, a.k.a. the Hound, has reignited fan hopes for a much-anticipated battle: a face-off to the death with his brother, the now-zombified Gregor Clegane, a.k.a. the Mountain — an epic match-up unofficially dubbed "Cleganebowl."

Fan favourite the Hound (Rory McCann) appears for mere seconds in a trailer for Game of Thrones' upcoming season. (HBO/YouTube)

If Cersei Lannister faces a trial for her wildfire slaughter, the Mountain could once again serve as her surrogate in a trial by combat. Could the stage be set for the bloodiest clash of champions yet?

Where the heck is Gendry?

It's a long shot, but hear us out. One of Game of Thrones longest dangling plot threads has been the whereabouts of Gendry, Arya's friend and believed to be the last heir of former King Robert Baratheon.

Last seen in season 3 escaping Dragonstone from red priestess Melisandre, he's been M.I.A. — until earlier this year, when reports emerged on fan sites that actor Joe Dempsie, who portrayed Gendry, was spotted near filming locations in Iceland.

What role does Gendry still have to play? And what of other figures pulled from past seasons, like Beric Dondarrion?

Beric Dondarrion (Richard Dormer) has reappeared after a long absence. Who else might return? (HBO Canada)

Game of Thrones returns for a seventh season on HBO Canada on Sunday.