The Fortbyte is located near the top of the mountain from the hideout of the abandoned villain on the west side of the map. It is located northeast of Snobby Shores.
The Fortbyte is located in the hollow of the mountain. As soon as you fall, you will find two dance platforms with a disco ball in the middle.
Enter one of the platforms and let your teammate enter the other platform. Dance at the same time to raise the disco ball. As soon as the ball reaches the top of the club, the Fortbyte appears!