Adrian thrust out his left hand. Something erupted from his palm, expanding outward, encapsulating him and Simon before Nova’s scream had broken. The spears, the daggers, the broken pieces of concrete, all struck it with deadly force and ricocheted harmlessly away. Nova’s scream stammered and fell silent. In shock. In utter disbelief. What was it? A wall of sorts. A protective barrier made of invisible bricks, each held together with glowing copper-colored mortar. It stood like a circular tower around Adrian and his father. A medieval turret, imbued with some sort of force field …