"It would need be delicately done. If there are crystals enough for your purpose, might anyone then use them to summon a primal? Is there even the slightest chance they might summon one on accident, were a situation dire enough?" he frowns slightly, but he's not disagreeing with her desire or dismissing it, merely working over the risks, how best to achieve it if they believe they should in spite of them.

"Ishgard is a nation of faith and men ever fall back on their faith in times of crisis. I would not become the very problem we wish, in part, to solve," he says it firmly, but he shakes his head a moment later, "Then, too, I would be a poor commander indeed to ignore a weapon of such magnitude, were it needed to prevent a greater catastrophe," the look he gives her is a bit wry, but it's clear he's neither joking nor patronizing her when he says, "I will simply have to work harder to make sure it is not a decision you ever need make."