This plot bunny is destined for the stew, because I simultaneously under-squeezed and over-squeezed it. According to the original idea, purely logically, Aemond should die (you'll understand later), but the thought of it almost gave me a heart attack, a stroke, and thirteen seizures at once. You will take my little beloved son only by digging up my grave and tearing him from my rotting hands. So realism goes somewhere where I have never been and will not, okay?
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"You will die screaming in flames just as your father did!" Aemond growls, holding a stone over little Luke's head. Jace's eyes dart between the stone and his brother, looking warily at his uncle, who has just managed to fight off the three of them and take a hostage. However, as soon as he hears this threat, his face immediately changes - from confused and fearful, it becomes attentive and focused.
"My father’s still alive!" Luke yells, and suddenly Aemond has no interest in threatening physical violence. No, his sharp-tongued uncle has better things to do - while he loved a good fight, consistently winning in his training, he found his true calling in taunts and threats, putting his mind before his sword.
Jace feels his blood boiling like a true dragon's - he's not a cold-blooded seahorse, is he? He's the son of a dragon princess and Harwin Strong. He's lost a father he won't be allowed to mourn, a father he never knew as a parent. More than that, it means he's a bastard, a sin in the eyes of the gods and other men, and everyone, everyone knows it - and Uncle Aemond isn't shy about saying it out loud.
"He doesn’t know, does he, Lord Strong?" Aemond sneers, and that's the last straw for him.
Jace draws his dagger and charges into battle. Aemond throws Luke towards him, and Jace, without much tenderness, throws his younger brother, who had just been choked and almost hit in the head with a rock, aside so that he would not be in the way.
A swing, another swing of the blade - all misses. Aemond is too fast, too agile, even though they are the same age, but the level of combat skills is simply unattainably different in his uncle's favor.
Jace remembers what his father Harvin Strong taught him, and, dodging a rock aimed at his head, strikes again with the dagger, this time faster, more accurately, and harder. And hits.
Aemond does not scream. He gasps weakly, strangled, and sinks to the ground, pressing his hand to the hilt of the dagger protruding from his stomach.
The cave shakes with the deafening, enraged roar of Vhagar.
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The idea, basically, is this: what if Jace had stabbed Aemond in the gut? In canon (BOOK! IT'S THE ONLY CANON I RECOGNIZE! show just gives me characters, a few scenes, and a distaste for life), Vhagar went nuts when her boy got his eye cut out. If Aemond thinks he's dying, the old war criminal lady will burn half of Driftmark before she can be calmed down, and the whole island will be fucked if Aemond actually dies.
But he won't die, because plot armor will suddenly appear, the maesters will patch him up better than a Swiss hospital, because Corlys will do anything to save any part of his house, and because I fucking said so.
There's no denying that this was an assassination attempt on Jace's part anymore - it's weird that the show doesn't say anything about it. How will the investigation go in this case, who is right, who is guilty, and who should get what cut off as punishment? I don't know, but it will be fun =)
PS. English, if you ever come back with the milk you went for, I will throw you out, we barely knew each other, but you made me so many children =/