User blog comment:Octivian Marius/Roman Remnant/@comment-1789156-20130510173737

Not exactly sure what you mean, but it sounds impossible. As many people have already pointed out, the Roman Empire was already collapsing at the time of its first sacking. In OTL there already was a defense. The Visigoths literally waited outside, and the Romans, who were starving, cannibalizing, and desperate, opened the gates.