Once the shipment arrives at the kingdom it seems that all the boxes are empty and for some reason most of the coins were replaced with small rocks and acorns.
"The gods have chosen to smite us today my brethren...but we must fight back"
"How damn it we're just men...insects before their power"
"We will have to find the dagger"
Chekov's Spell -- This spell has a two-fold effect. The first is to make the target item almost-unnoticeable to anyone not specifically looking for it. The second is that someone who has seen the item will remember it when they encounter a situation that would be perfectly solved by use of said item.