Leon enters Secret Room and obtains M.G. Bullets. Leon fights Mr. X and obtains Master Key. Claire instructs Leon to get Sherry and Leon carries Sherry to the train.
Leon obtains Platform Key, Joint S Plug, and Joint N Plug. Leon fights 2nd Form of Mr. X (Boss) and a mysterious figure throws Leon a Rocket Launcher. Leon opens the gate and activates the train. Leon fights the final form of William Birkin (Boss) on the train.