Now that the Army of the Dead has a Dragon, we know that the living is in trouble. That is really a game changer.
I will debate that the only way to stop the dead dragon is to have the other 2 alive dragons kill (by fire) the other dragon.
Game of Thrones - What will kill the dead dragon?
The other dragons66.67%
Nothing - the dead dragon and the army of the dead will kill everyone  0.00%
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