Enough times?

[ Yona, is that supposed to be reassuring? It actually starts to worry him more, because if she's been in the tunnels that many times and still gotten lost, doesn't that mean they could really get in trouble again? He can't keep the note of doubt out of his voice. ]

But if we don't use magic, how would we defend ourselves and find our way through the darkness? There are too many dangers down here to wander blindly.