Steel Train

The is an recurring Series: in.

The ST: is the name given to the ST: once it has been outfitted with the following NaN Train Cars:

The NaN Train Cars can be attached to the ST: upon purchase from ST:, or at any time thereafter at ST:'s house in ST:. Used together, they give the ST: a durability of 6 Hearts, up from its default of 4 Hearts. Aside from this boost in durability, the ST: is merely a change in appearance to suit the player's personal tastes.