User blog comment:Legionwrex/How did Saren reach the Citadel?/@comment-5379655-20130507184028/@comment-204.10.222.10-20130508164313

Speaking of a nerdish topic, what is he exactly? I know this is the Mass Effect Wiki and all, but I want to get an appropriate comparison between the two beyond "enormous and world raveging" and "man-shaped versus squid-blob".