[ Well, that's a relief and it sees her expression relax. ]

I'll set some, then. They can travel far on their lonesome and they're easy enough to direct from a distance.

[ That question of his sees her pause even as she looks past him down the tunnel at the walls, listening to the echo of their footsteps to judge her casting. ]

How much? If I can sing, I can cast. Well, that's only partially true. I'd wager I've about... mm, maybe six hours left? I won't be running out of stamina any time soon and I've a good focus.