Disclaimer: The Glass Realm is not an official realm but theorized to be one of the 4 mystery symbols
HW Glass Realm

Glass Realm: Little is known about this realm except that it seems be composed of glass that can shatter under high amounts of weight, such as cars. The driving skill for this realm appears to be know which glass path will support your car. Dangers include: Broken glass, false glass paths, and blowtorches/infernos for heating glass.

Glass Realm Accelecharger "Weightless": Gives the car to drive over fragile surfaces.