The Cavern Realm was the 3rd realm the humans entered. It is located inside of a huge cave, with stalactites and stalagmites as hazards and obstacles. The track often parts into many different tracks, but then merges back into one track. There are bat-like creatures that dwell inside this realm.
Racers for the humans: Karma Eiss, Kurt Wylde, Shirako Takamoto, Tork Maddox, Porkchop, Wylde
Winner: Porkchop Other Facts
This is the only realm won by the humans between movies.
This is the first and only realm won by a Metal Maniac
This is the first time Shirako is focused on
This is the first realm which only six drivers are sent in.