"Yes, those people are risking their lives to find precious Heaven material and earth treasure. The ore materials for refining tools are not expensive. But these things have been refined into elixir and top-grade magic weapon treasures by the master of array weapon refining. That's great. It's not a problem to exchange for Tianshi at all. The most important thing is that when you cross heaven and earth, it's not enough to have a stone. You need to be set up. The array needed to cross heaven and earth is not low. Not everyone can arrange it. You need someone else's array master to arrange it for you. Please others,...