Rex

Rex (レックス) is the main protagonist of Xenoblade Chronicles 2. He is the driver of Pyra and Mythra. His goal is to take them to Elysium to fulfill their dream and save Alrest from its fall.

Story arc
Rex is seen salvaging in the Cloud Sea on the titan Azurda otherwise known as Gramps. After he is done they go to Argentum where Rex goes to appraise what he salvaged. Afterwards he gets called by Chairman about a Salvaging job. which he accepts after being offered a houndred thousand gold as upfront payment. He is joined by Nia, Jin and Malos who are looking to find the secret within and ancient ship, the Aegis and the unconscious body of its blade, Pyra.

Rex is the first of the group to find the Aegis. Curious about its appearance, he approaches it with caution. As Jin enters the room with the Aegis, he quickly moves in and stabs Rex in the abdomen, killing him on the spot. Rex then wakes up in a green field, with a single tree, and Pyra standing beside it. Rex goes up to ask Pyra what she is doing, where she informs him that he currently resides within a memory of Elysium as Pyra remembers it when she was last there. After being told this, Rex promises to take Pyra to the real Elysium as her Driver. Rex then resonates with Pyra's core crystal, who gives him half of her life force, reviving him from the fatal attack by Jin.

As Nia, Jin and Malos are about the leave the ancient ship with Pyra's body, Rex catches up to them and initiates a battle against Malos after Pyra reawakens. Nia joins Rex's side, and together, they manage to overcome Malos' attacks. Malos and Jin escape the ancient ship, while Rex and Nia get away with the help of Azurda, only for them to crash land into the deep forests of Gormott.