Adykon and Vespion saw what he was doing... it was an invisibility spell... the kind that only worked if everyone stood still. Quickly setting Kos down, Adykon pressed himself against the wall, and stood very still. When the caravan approached, no one saw the party. The guards were fooled, as were the drivers... the horses were fooled as well!
The caravan was carrying food and other goods down the tunnel. Where they supplies were supposed to go was unknown to the party, but it looked like quite a haul. The carts traveled very slowly, as they were laden down with food to the brim... and in one case, beyond the brim! One of the carts was carrying a load of hazelnuts, and a few nuts fell over the side...
Kos, without knowing any better, went to go grab some nuts. He moved before anyone could stop him, and the toddler was exposed outside of the magic field. Adykon reached over to grab him, but he was seen as well...