The Vertoak City Maximum Security Prison is a location in the Outskirts.
It contains 4 guard towers on each side along with thick walls. The entrance is a double iron door air-lock combination. Inside are 4 windowsless buildings that hold cells, the cafeteria, and the guards quaters. In the center is a staircase (inside a building) that leads to the solitary confinement room and the execution chamber. In the chamber is a second room with a trapdoor above lava. When the lever is pulled, the trapdoor opens and the execution ends.