Macen Barro is a turian male, and the turian Pathfinder aboard Ark Natanus.

Upon arrival in the Heleus Cluster, the Natanus struck the Scourge, causing massive damage to the ship, and causing multiple casualties among the turian occupants. Macen died while attempting to transfer SAM to his second-in-command, ex Spectres and security officer, Avitus Rix. Because of this, the transfer failed and corrupted the AI's protocols: making it do everything it could, including ejecting sleeping colonists and flying through the Scourge, to reach H-047c.

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