The Mobile City of the Apocalypse

Traveling through the wasteland, monsters are rampant and civilization and order are gone. When Lin Yue was desperate, he activated the [Pet Evolution System]. At the beginning, a small tortoise could evolve infinitely as long as it was fed with energy crystals! While others were still competing with the mutated dogs for a bite to eat, Lin Yue was already lying on the turtle's back basking in the sun. While others were still building shelters with wooden planks, praying not to be overwhelmed by ferocious beasts at night, Lin Yue had already planned three rooms and one living room on the back of a turtle. While others formed a convoy and risked their lives to cross the radiation zone, Lin Yue's giant turtle had transformed into a mobile fortress, carrying a city on its back and cruising the entire wasteland! "Brother, do you want to join the gang? My city is absolutely safe!"