Yet, though those demons were individually very powerful, the gates of hell had been open for two hundred years and were still blocked by humans in Antarctica. They couldn't even cross the Drake Passage.,But luckily, today's job was pretty easy. The knife was sharp and easily pierced the other person's neck, tearing through the neck muscles and reaching the windpipe. With a light flick, I cut open the entire airway...,He thought to himself, unconsciously starting to be thankful that he had just locked the door...。