From the Sky, From the Sea (джен)

Lucerys Velaryon wakes up washed ashore Dragonstone after falling from the wounded Arrax. Only, he finds himself in a different Dragonstone, in a different timeline, with the rest of the present undone before him, and a new future he might have a hand to create.
Or: Luke survives the battle and chase with Aemond and Vhagar, only he is set back in time, to when Queen Aemma just died, and his mother only a year older than him. What will Luke do?
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