"Core?"
Hackzord walked to the machinery, knelt down, and picked up a loose metallic piece. He quickly discovered that the thing in his hand was far more intrinsic than it appeared. There were hidden structures within the bumpy outer shell which could not be fathomed at a glance. He randomly picked up a cylinder-shaped object and discovered that the inside contained more than a hundred parts, far more complicated than a flintlock. "You mean to say…"
"Those iron birds require this thing to fly," Mask confirmed.
"Wait, you're saying that those things that can fly faster than Bogle Beasts are in fact powered by this pile of inanimate things?" Hackzord frowned. As the Senior Lord to once face the iron birds, he knew very well that their ability to fly did not come from the flapping of their wings, but by the blades at their heads that buzzed like a bird.