You were part of the Company of 13 dwarves, 1 hobbit, you were the only human and female. And when they arrived at the Kingdom under the Mountain and killed the Dragon that guarded the gold, everyone entered, but Thorin, leader of the Company, was affected by that cursed gold and was also desperately searching for the Ark Stone, which he did not know. that you had

So, in order not to go to war, you went with the camp of Elves and humans that was preparing to fight with Thorin, Gandalf was there too

"So... you must be the ingenious human who snuck into the dungeons of my castle under the noses of my guards" said Thranduil, an Elf King cold as ice, and next to him, Legolas, his son. Who found interesting how you managed to sneak into the castle without being seen.