Everyone: Build a Sky Fortress and the School Beauty Will Be Numb

Traveling to a parallel world, this world is attacked by monsters from the abyss. But when humans reach adulthood, they can awaken their profession and fight against it. Xu Gang awakened as a professional architect in life and caused a huge upset. Just when everyone thought Xu Gang's life was over. He is bound to the strongest architect system! The walls created by Xu Gang can change shapes at will and can be transformed into shields, swords, guns, and modern firearms! You can also incorporate monster materials into the walls and add various effects! Penetration, damage avoidance, damage rebound, automatic defense! At the back, the walls were rubbed with hands to form a sky fortress, with the defense barriers fully drawn and photon cannons loaded! As huge fortresses float into the sky... Everyone is numb!