Establish or rekindle a romantic relationship in two games in Mass Effect Legendary Edition

ME2: Successfully shut down the rogue VI in Project Overlord

Kill 100 enemies with melee attacks in Mass Effect 1, 2 or 3

ME2: Fully upgrade a weapon

ME2: Gain the loyalty of the thief

ME2: Complete a mission discovered by scanning an unexplored world

ME2: Gain the loyalty of the krogan

ME2: Gain the loyalty of the Professor

ME2: Gain the loyalty of the Assassin

ME2: Help the Justicar resolve her mission

ME2: Gain the loyalty of Archangel

ME2: Complete the investigation of a derelict alien vessel