Due to the enormous scale of Arkham City.
Naturally, various types of transportation modes are set up, and many privately offered transports are also mixed in.
However, private transport, while relatively cheap, might involve various schemes and traps. Some newcomers to Arkham may be quietly taken to completely unknown dark areas.
Murder is too common in Arkham,
unless someone important is killed, nobody really cares.
"Let's go underground."
At Dean Dale's suggestion,
the team boarded an express demon worm train embedded within the crust. After paying the fare, they received a one-time "Transport Membrane."
By putting this membrane on, one can integrate directly into the body cavity of the Drilling Demon Worm through 'Organic Affinity.'
The internal space has also undergone 'artificial' modification,
equipped with relatively comfortable egg-like adhesion devices that secure individuals with some strip-like structures when they lean back.
Moreover,
