Avatar The Last Airbender: Legend of the Avatar's Savior!

{Rewrite of ATLA: Tales of the Savior}
Centuries ago, Avatar Wan had a younger sister named Ying. She was sickly and frail. Wan learned that if she became a bender, she might get stronger. She learns that her bending becomes hereditary, as well of a connection to her brother's reincarnations. She taught her son to teach his to guide the Avatar, something her children did until Roku's death. Twelve years after Roku's death, Roku's young Savior lost his connection to Aang. He feared the cycle was broken. While Sozin searched for Aang, so did Roku's savior. Years later, Xia is born to a water tribe born girl who moved to the Earth Kingdom to learn Earth Bending, as she was born knowing just Earth Bending. Chang didn't expect to fall in love with Jia Li. They married and Jia Li returned to the Fire Nation willingly with Chang. Xia was born and it turned out she was the next Savior. She had her full powers, including the spiritual state to connect her to the Avatar. But it wasn't fully awakened yet. Her Fire Nation grandfather took her from Jia Li and Chang and presented Xia to the Fire Lord. Due to her young age, Xia was placed into Ursa and Ozai's care where she became best friends with Zuko. Xia's story begins upon the day of Zuko's banishment, where she leaves with him. She promises to help Zuko reclaim his honor, however, they are both unaware of the path they'll eventually follow the moment Xia connects to Aang. Xia will be torn between her love for Zuko and her obligation to guide Aang to his destiny as the Avatar. What's more, she learns of her cousins by her Aunt Kya helping Aang as well.