In The Blood 18

Get him... he's getting away... how'd he do that?... I've never seen one do it."

Klaxons and alarms began to blare, while heavy doors began to slide into place. Going Cold gave him enough speed to slide past the first few doors, but soon he'd reach one that was already sealed. Luckily, the automatic doors would be hindering the soldiers as much as him.

The ventilation duct!

Obviously, the designer of this complex had thought that noone could crawl through a duct that was less than twenty centimeters in diameter. Obviously, they hadn't met a vampire like Mike. Ripping the grate off of the duct, Mike squeezed and squirmed himself in and pulled the grate back on behind him. Moving through the ductwork was more like slithering than crawling, but it could be done with considerable ease.

After a while, Mike heard a familiar voice. "I don't know Evelyn, have any of the other specimens exhibited that ability?"

"Not a one. It's probably a very advanced ability, but then, that's his trademark,