When you leave the house, you put on a suit: ZRK - a protective suit that protects you from temperature and radiation. Sit down in the seat: Driver's seat. A tank with armor covered with sharp reinforcements and primitive structures that repel enemies. A story about a civilization in a post-apocalyptic world that arose after the World War. Survival becomes incredibly difficult due to extreme temperatures and radiation. A pillar of fire, nicknamed the gates of Muspilheim, an echo of war, erupts from the depths and devours the earth. People are forced to use armored vehicles as a refuge and a means to achieve their goals, upgrading them with available materials. Never-before-seen conditions entail mystical events in the Fera universe.