Design an ad campaign for a pear flavoured soda can, with a modern twist, deep underwater, darkness from below, seafloor, featuring design elements of green pear, a device capable of opening portals that fits in my hand, make it black, orange and gold materials, pentagon shape, key, intricate details, hourglass, knife, shield, tribal tattoos, hazy, reflection, apocalyptic, stormy sea, bubbles, rotors, smog, digital art, digital painting, gloom, acceleration, artillery firing on all cylinders, green crystals