User blog comment:Legionwrex/Reaper vs thresher maw, who would win/@comment-220.233.75.244-20110412044604/@comment-743796-20110413134530

Even Grunt can kill a Thresher Maw in one shot. The launch trailer for ME2 proves that. Thresher Maw lunges at Grunt, then once inside the Maw's mouth, Grunt pumps a shotgun blast that virtually destroys the creature.