Complex sentence: Alice fights and defeats the Doll Maker in Wonderland, giving her the strength in the real world to, as Dr. Bumby prepares to leave the station, push him in the path of an oncoming train, killing him.
Split into simpler sentences: Alice fights and defeats the Doll Maker in Wonderland, giving her the strength in the real world. As Dr. Bumby prepares to leave the station, Alice pushes him in the path of an oncoming train, killing him.