A multi-legged, Goliath class machine lifeform. This unit is equipped with a firearm unit for long-range combat, while its white body is covered in mysterious black symbols.
- This unit is encountered during 17-07.
- A high-powered variant of the previous multi-legged machine Boku-Shi.
- The player's perspective will constantly switch from 9S to A2 as she takes on her own Goliath-class enemy.
- Ro-Shi will unleash new attacks once a health threshold is met. This will happen several times throughout the fight.
- Throughout the encounter, many basic units such as the Small Flyer will also try to kill the player.
- Its name is the Japanese reading of Laozi (老子), a Chinese philosopher.
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