)
"It's literally eaten bullets fired into it. Blowing it apart works temporarily, but it eventually grows back like a starfish in about a week or so. Our eggheads even cooked up a 'nanoferon' cocktail to kill it at one point, but the thing just abscessed at the point of infection."
"Only thing that seems to work is extreme heat, at least at four-hundred degrees celsius when the pavement itself catches fire, though we'd have to get to that bulbous center halfway down the road to kill it permanently."