Mass Effect 2: Arrival
Arrival is the final downloadable content pack for Mass Effect 2. It adds a new quest, which serves as direct continuation of main plot and bridge to Mass Effect 3. The story starts with request from Admiral Steven Hackett to save his friend, an undercover agent, from a Batarian prison. During the mission, Shepard will discover vital information behind Reapers' arrival. There are also three new achievements to unlock.