ME2: Gain the loyalty of the mercenary

ME2: Complete any research project in the Normandy's laboratory

ME2: Disrupt the shields of 25 enemies

ME2: Successfully recruit Archangel

ME2: Make 20 enemies scream as they fall or are set on fire

ME2: Return to active duty

Complete Mass Effect 1, 2 or 3 on Insanity without changing difficulty

ME1: Complete the game on any difficulty

Establish a romantic relationship in Mass Effect 1, 2 or 3

ME1: Complete Virmire

Kill 1,000 enemies in Mass Effect 1, 2 or 3

ME1: Complete the majority of the game