User blog comment:Gruntburner/Mass Effect 3 Achievements Revealed/@comment-4118072-20120204224838/@comment-4737548-20120207190510

We never really know what happened to mecha-saren. He vaporized, perhaps sovreign beamed him up? Sent him to harbinger? Hmmm? Or there could be options, balak, anoleis, theres a bunch who could survive.