"I don't know if technology would be a suitable substitute. Without someone who knows magic, it might very well be a suicide mission should you choose to go."

Thus, Mia's not telling them how unless they get a mage to go with them.

"I think that is the best anyone can do in any situation," she answers to the last question. "Strange how, with all of my learning, it took me years to finally know something as simple as that."