After arriving in Suda Doaka World, he was worshiped as the guardian deity of the Fremen, the people who lived underground in the desert. It becomes operational by fitting a jewel into its forehead, and awakens as a White Crystal Mechanized God by sensing the spirit of the Selenes royal family. Basically, armored gods other than Elgaia do not require a pilot, and are controlled by thought.
It recovered from the damage caused by becoming a Gun Genocider on the iceberg and was revived in the final battle.
Weapon: Lilt Fleuret