"Like I said, yo. Different ways. ShinRa used to be able to refine crystallized mako into materia, too. Mako stones, ever heard of 'em? An' sometimes, materia would form on its own, too. In nature, I mean. That's how monsters end up with it, now an' then, but it's rarer in nature than it is manufactured, zoto."

See? This topic? Totally safe.