

It was discovered in the center of the Collectors' base by Shepard and friends and was destroyed before it could be completed. " Human-Reaper": The final boss of Mass Effect 2, this monstrosity was a new, smaller, humanoid version of a Reaper being made by the Collectors, led by Harbinger, out of processed human DNA.At the end of the mission, Shepard battles the Reaper's still-intact core protected by an army of Husks, after which the Reaper is destroyed completely. Here, a friendly Geth named "Legion" is met. Derelict Reaper: A "dead" Reaper floating in space visited in Mass Effect 2, which holds vital research.At the end of the game, it relinquishes the Collectors and is seen in its true Reaper form leading the other Reapers as they slowly travel towards Earth. It directly possesses the Collector General most of the time, and can also take control of any normal Collector at any time to fight Shepard. It is the largest and oldest Reaper in existence and was the controlling force behind the " Collectors" who were warped versions of the Protheans. Harbinger: The main antagonist of Mass Effect 2 and Mass Effect 3 (besides Illusive Man as the secondary antagonist), and leader of the Reaper fleet.However, Commander Shepard killed Saren and installed a defense program in the Citadel's mainframe, delaying Sovereign and allowing it to be destroyed by the Citadel fleet, preventing the return of the other Reapers for the time being.

Sovereign initially appears as Saren's flagship but is later revealed to be a vanguard of the Reapers who would initiate their eventual return to the galaxy by activating the mass relay at the Citadel for the other Reapers to enter through. Sovereign: The main antagonist of the original Mass Effect (besides Saren Arterius as the secondary antagonist).It is also revealed that they were the ones who originally built the Citadel, the main base of galactic civilization, intended as a "trap" of sorts to attract a large number of advanced life forms together in one place.īefore Mass Effect 3, exactly four Reapers are encountered in the series: The Reapers can gradually brainwash anyone who comes into prolonged contact with them, a process known as "indoctrination", and also to directly take complete control of an organism's body. The Reapers are created by the Catalyst (the overarching antagonist of the original trilogy) who modelled them after the Leviathans.
