Gaia is Aloy's daughter. She has her mother's appearance.

Gaia is seen in the world of Horizon Zero Dawn alongside her new friends. The friends have been kidnapped alongside their parents but managed to escape. After helping the rangers beat up the remaining Blarg in the world, Aloy, the hero of the world who rescued the kids, is wounded in the fight. She is taken back to her home where she is cared for. She sends her daughter Gaia to assist the Rangers.

Gaia is seen as kind, good-natured, and hates violence. However, she is unafraid to resort to it when the time rises.

Trivia:

Gaia is named after her grandmother, Gaia.