The armor of the steam train was thick, but its locks were less complex than the doors in the alternate dimension 407.
Leonard Churchill didn't steal a key. He only glanced at them a few times and, thanks to the Eidetic Memory ability from the Trickster, easily memorized the exact structure of the keys. During a break from gambling to use the toilet, he was able to duplicate a temporary key.
Now well-prepared, he could handle any discoveries.
Leonard remained vigilant, continuing to observe his surroundings.
The carriage was still rowdy, but amidst the noise, he suddenly overheard a story that sparked his interest.
...
"Hey, have you heard? There was an incident at the camp in the 'Altar of the Silver Moon in the Past' alternate dimension a couple of days ago."