The Pirate's Magnetic Apotheosis

Introduction: Protagonist: Gather metal weapons on the arm to form a giant arm? Stop the projectiles fired at yourself in the air and then bounce back? What? This simple operation can offer a reward of 4 million? Then I use magnetic storm interference Communication, isolating the geomagnetic field; constructing a giant closed circuit to generate high-voltage electricity; controlling iron sand to form an immortal iron sand puppet; sticking metal particles with its own magnetization on everything and manipulating it at will... Isn't it to become a god? !!!