Genesis shrugged. "I never really bothered to look at the machines and how they make it. As for the natural ones, they just form over gradually. Usually from mako springs."

When Angeal walked in without his usual garb on and with that vest, her face flushed a little more than it already was. She tried to hide it by smothering her cough in her blanket.

"Why do you want to know so much about materia?"