Ways to Travel Through Different Timelines and Save the World

The whole world is faltering between destruction and survival. . Systematically taught alchemy, thoroughly explained magic, scientific use of supernatural things, for the sake of their only home, humans put everything on the card table and block everything... From the Oriental Train galloping on the Middle East Railway to the Battle of the Sword Fence at the end of the Age of Gods; Is there really hell beneath the 12,263-meter Kola Well? What is the huge black shadow that flies over the North Pole from time to time? ; Lizardmen once really ruled the world! The station to travel across the world in urban legend really exists! What? Don't you believe it? Well, the file is right there. You will know it if you open it and take a look.