Read the parchment

Jerry reads through the parchment, and thinks to himself, 'So one of them is more important than the others and should only be used once, it seems. I will call that one the Master iron. The other gives and one loses. I wonder what that means.'

He starts to examine the irons closely. He looks as the arrow first, 'Above all others. I wonder if this is the Master iron. If so I should protect it. But what should I bring with it?'