[ Good! And now that they broke through the humor barrier, he's ready to demonstrate! Even if it's something so light and simple. He'll try to answer as much as he can for her. He shakes his head at her last question. ]

Definitely no Archons involved here. Most Materia you find nowadays is in shops selling them. [ ... yes, they're straight-up selling these magical items that can poison, heal and set shit on fire in some random town. But he elaborates. ] Materia's crystalized mako energy that comes from the Planet, so each one houses special properties. They're pretty rare to find naturally, so most you'll find get artificially produced.