He nods and then stops abruptly, simply staring into the next wall for over a minute.

To create items of power, to create at all, the creator needs a strong mind. A force of will that is greater than that of anything else; a will that will be embedded into the very nature of the item and remain with it, bound. Not taken from you, but rather enhanced by it being externalized now, and at your disposal now or at that of the person which the device is given to. He's not sure who said it (an adult male, but that is all that he can tell), not sure how all that sudden knowledge was imparted to each other, but it is... Well. Echoes often come without context. It's just a lot to take in at once.