User blog comment:Spetsnaz117/Who would win? A Chimeran Titan from Resistance 2 or a Covenant Hunter from Halo 3?/@comment-1907699-20100531204329

The Grey tech could have be what contained the virus, but it also made. The 5th race designed it so it could make the prefect virus by itself. The idea needs a bit of work but it would be pretty cool.