Mass Effect/Characters

Saren Arterius is a fictional character within the series of Mass Effect who serves as the first game's main adversary.

Background
A former turian Spectre, Saren Arterius was known for 'getting results.' More often than not, this meant he killed everyone and everything in range -- the target, any witnesses, and innocent bystanders as well. He has a seething hatred for humans, which stems from the loss of his brother in the First Contact War. After the events described in Mass Effect: Revelation, Saren takes command of an army of Geth. He serves as the primary antagonist of thr video game.