Global Doomsday: I Have a Sky City

[Sky City system, zombies, there will be disasters later, Sky City will not be invincible from the beginning. Lin Yang: "The Heaven-shaking Seal!" The enemy's vision went dark, and a 'mountain' weighing billions of tons crashed over! A mysterious electromagnetic storm swept across the world, communications were cut off, all mechanical equipment that relied on compact chips went out of action, numerous large cracks appeared in the earth, and air and land transportation was cut off. In this doomsday world where supernatural powers are manifested, Lin Yang accidentally obtained the Sky City system. While other survivors are still busy fighting for some food resources, he is busy upgrading the Sky City itself, developing city fortifications, and building guards... While other forces are still fighting over who is the last hope of civilization, his eyes have been set on the stars and the sea. Sky City advanced route: an enclave → mobile fortress → space carrier → interstellar fortress →…