The Son of Doctor Grace Augustine (Avatar x Male Augustine Reader)

Back on planet earth, Doctor Grace Augustine had a son before she gave birth to Kiri in her Avatar form. After Doctor Grace gave birth to Y/N, her husband left her when Y/N was only four due to family issues.
When Doctor Grace worked at the RDA, she and Jake Sully went to Pandora to find her old school she created before it was abandoned when the RDA attacked it, Grace told her son she would come home and him to pandora when her mission is over.
Just then, when Y/N was nine years old. He was approached by the RDA who informed him about his mother's death. But Y/N realized it was the RDA responsible for his mother's death. Before the RDA could capture him, another group stopped the RDA, they we're the UNSC.
two of the members of the UNSC approached him, Spartan Sarah Palmer and Doctor Catherine Halsey.
Y/N had a mission in Pandora, to stop the covenant from turning Pandora into the pre-colonization like what happened to Luna... Y/N and his team went down there to stop the Covenant, before things got worst. When they we're there, Y/N was separated by his team when a Palulukan ambushed the squad with the Viperwolves.
Just then one night, A covenant kill squad captured him but he was saved by Jake