Good Samaritan

Good Samaritan is an Achievement in Halo 3: ODST. It is awarded for not killing any Engineers during a full campain runtrough, in single player or Co-op. It is worth 20 Gamerpoints. This achievement will unlock the full ODST Ballistic Battle Armor for your Xbox Live avatar on Halo Waypoint.

It is represented by an ODST helmet looking upwards shown in a white light.