The message takes a few beats to penetrate... "Are you saying- Floating coins in the tunnel that way?" The young mage more than half-suspects Bosco is trying to pull one of his pranks -- and at a typically completely unacceptable time as well.
Nonetheless... "Some hard earths and crystals rare *are* known to repel, or in one case, it is reported, even sustain aloft... Alternatively, perhaps your coins do not hang at all, friend Bosco, but instead rest on things invisible to us from here? Why not go poke them and see what happens? Clearly proper reward has been offered for the task this time..." A gently pointed reference to yesterday's conversation, that, though it clearly mixes with a developing vein of real curiosity...