This AU was written by Myself and Lukid The Quiet Game Kid. Sodor, once a beautiful island, with beautiful scenery, and great engines and people, is now in havoc. Sodor's engines and people began to act strangely aggressive, saying things such as "This railway is going to fail". Eventually it's found out that an evil organization has been going around the island mind controlling engines, crews and civilians to bring Sodor to its end. Now it's up to Percy and his crew to stop this. This AU takes place after The Great Discovery. Lukid came up with the crew names, and we both make the edits.

The evacuation plan failed now the engines and people of Sodor have to fight for their lives. But will they be able to keep their sanity intact?

Warning: This AU is based on Demon Slayer. Many things that happen in this AU are inspired from things that happen in the anime. If you haven't watched it I recommend clicking off right now. You've been warned. Japanese tourists have flied to Sodor to get pictures of the North Western's engines for a museum in Tokyo. However shortly after the Japanese tourist arrive engines and people on the island start acting weird. Killing and eating any humans in sight. Now it's up Henry, his driver Sara Guetta and backup firemen Linwood Taylor to try to survive this chaos.