I hear a lot of people complaining about the writing, but they don't seem to understand the series.
Ned Stark - hand of the king - he's the main character of the show - He's uncovered the truth between a ghastly mystery and he's going to tell the king: The King Dies, he's told the queen, a little bastard is now king and he gets beheaded.
Viserys Targaryen - Has arranged his meek sister Daenerys to marry Khal Drogo - Khal Drogo will lead an army for him in return and he will be king of the 7 kingdoms: He pisses of the Khal at a suaré and Khal pours molten gold on him.
Khal Drogo - Viserys is gone, but who says he can't rule the 7 kingdoms? he's going to be the great Stallion who Mounts the world that takes over the 7 kingdoms: He get's into a petty fight, and get's infected, ultimately leading to his death.
Daenerys Targarian's child - Danny is now pregnant with the future King of the Khalasar, Khal Drogo is sick and probably going to die, so Danny goes to a witch in an effort to heal the Khal, but the trick is she loses the baby to save Khal, further Khal is still alive, but a vegetable. She smothers the Khal.
Robb Stark - fed up with the South's **** the North declares their own king, the King of the North is pissed the killed his dad Ned, He's going to take over the seven kingdoms, He gets some help from the Freys, one of the caveats is he has to marry one of the Frey's homely daughters, this doesn't work out, he just finds a hot chick and impregnates her, the Fray's murder the Stark's at the infamous Red Wedding. "The Lanisters send their regards"
Joffrey Baratheon - A little fucking **** who inherits the throne after his father is murdered, he's going to Marry and **** as many sexy bitches as he can, and he gets creepy with it, he gets poisoned.
Renly Baratheon- The Tyrell's and the Baratheons form an alliance and Renly becomes King, well at least on their side, He seems like he would be a lot better king the Joffrey: He get's kiled by a blood magic smoke monster.
Stannis Baratheon- reluctantly claiming to be the king, he's the best king around now that Robb is dead, he joins a new religion with the red lady, murders his brother with the aforementioned smoke monster, sends boats to Kings landing and they all get killed, later desperate to be King Stannis sacrifices his own daughter to the lord of light for luck: he gets critically injured in a scuffle with the Boltons and sits down by a tree, who shows up? Brienne of Tarth who is still upset he killed her pal Renly. She beheads him.
Margery Tyrell - had been married to Renly and be queen, but then he got dead, so she goes to get betrothed to Joffrey and become queen, she marries him, but then he get's poisoned, so she has to marry Tommy B, her bro gets kidnapped, some weird high sparrow cult stuff happens, she gets exploded by Cersei
Tommen Baratheon B- Tommy B gets to be king after big bro died, but Heavy hangs the Crown, **** gets real with Margery, so he gets to jumpin.
John Snow- In order to defend the realm from the Army of Darkness he befriends a bunch of north norseman, but he fucked a girl, and wildlings used to be an enemy: so he gets stabbed to death: but he gets Eastered
The Night King - Amasses a crazy powerful undead army: but Arya is sneaky as ****.
Cersie Lanister- pulls **** all the time to stay in power, but every time her world comes crumbling down on her.
Danny - get's raped, her husband gets killed, her baby dies, most of her dragons get killed, her best friend get's killed, she falls in love with a guy who turns out to be her nephew, now he won't bang her, her vizier betrays her, her father figure dies, her beloved nephew betrays her. Her vassals betray her.
Olenna warned Daenerys about what happened to her granddaughter, Margaery, saying that despite the people's love for her she was ultimately killed and that in order to maintain the loyalty of the masses, "Daenerys must be feared as well as loved"
During the meeting at Dragonstone to discuss marching full force on King’s Landing, Daenerys states that she does not want to be known as "Queen of the Ashes"
TLDR The way things are going the Brotherhood without Banners has a shot.