Help the Justicar resolve her mission

Thresher Maw defeated

Gain the loyalty of Archangel

Gain the loyalty of the Cerberus Operative

Complete the investigation of a derelict alien vessel

Successfully recruit the Justicar

Successfully recruit the Assassin

Visit 100% of the planets in an unexplored cluster

Retrieve mineral resources by scanning and probing a planet in the galaxy map

Obtain 10 technology upgrades

Successfully recruit the biotic Convict

Complete any research project in the Normandy's laboratory

Make 20 enemies scream as they fall or are set on fire