The pen in Lyall's hand is flipped and rolled and squeezed while he listens. He can't help the small fidgeting motions. When it's his turn to speak, he rolls his hand. "Does 'casting a spell' require you to be at the location at the time? How much time does it require? Does it require materials? Does it protect against physical projectiles, magic, weather? Can people walk through it? Can it be dismantled? Does it have a weak spot? I'm going to need all of these details."

"What I really need is a way to communicate between several people at once to coordinate," he tells her. "Like a radio. You got anything like that?"