The Team Fortress 2 2011 Halloween Event that has a new map, new boss, new achievements, and new items to obtain. This video is what happens after you defeat the Monoculus. You are taken to the underworld and witnessed to the Bombinomicon. Then you return to the map uber buffed to defeat your enemies and bring your team to victory. Check out my other video to see some good strategies for defeating the boss within the 1 minute and 30 seconds you have before he disappears.