That just made him smile even wider, and he laughed from deep in his belly. "Haha, of course! Not much copper and tin on the moon, is there? But there's plenty of iron -- and carbon, too. And when your people got banished up there, they had to make do with what they had." Shaking the weapon in his hand, he looked down at everypony else. "While Equestria's never been forced to give up bronze, the batponies faced the same challenges as my people did when their favorite material ran short -- and came to the same conclusion: creating steel."